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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> |
10b1c04e | 45 | #include <linux/etherdevice.h> |
09d4d087 | 46 | #include <net/devlink.h> |
225c7b1f RD |
47 | |
48 | #include <linux/mlx4/device.h> | |
49 | #include <linux/mlx4/doorbell.h> | |
50 | ||
51 | #include "mlx4.h" | |
52 | #include "fw.h" | |
53 | #include "icm.h" | |
54 | ||
55 | MODULE_AUTHOR("Roland Dreier"); | |
56 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
57 | MODULE_LICENSE("Dual BSD/GPL"); | |
58 | MODULE_VERSION(DRV_VERSION); | |
59 | ||
27bf91d6 YP |
60 | struct workqueue_struct *mlx4_wq; |
61 | ||
225c7b1f RD |
62 | #ifdef CONFIG_MLX4_DEBUG |
63 | ||
64 | int mlx4_debug_level = 0; | |
65 | module_param_named(debug_level, mlx4_debug_level, int, 0644); | |
66 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
67 | ||
68 | #endif /* CONFIG_MLX4_DEBUG */ | |
69 | ||
70 | #ifdef CONFIG_PCI_MSI | |
71 | ||
08fb1055 | 72 | static int msi_x = 1; |
225c7b1f RD |
73 | module_param(msi_x, int, 0444); |
74 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); | |
75 | ||
76 | #else /* CONFIG_PCI_MSI */ | |
77 | ||
78 | #define msi_x (0) | |
79 | ||
80 | #endif /* CONFIG_PCI_MSI */ | |
81 | ||
dd41cc3b | 82 | static uint8_t num_vfs[3] = {0, 0, 0}; |
effa4bc4 | 83 | static int num_vfs_argc; |
dd41cc3b MB |
84 | module_param_array(num_vfs, byte , &num_vfs_argc, 0444); |
85 | MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0\n" | |
86 | "num_vfs=port1,port2,port1+2"); | |
87 | ||
88 | static uint8_t probe_vf[3] = {0, 0, 0}; | |
effa4bc4 | 89 | static int probe_vfs_argc; |
dd41cc3b MB |
90 | module_param_array(probe_vf, byte, &probe_vfs_argc, 0444); |
91 | MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)\n" | |
92 | "probe_vf=port1,port2,port1+2"); | |
ab9c17a0 | 93 | |
3c439b55 | 94 | int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; |
0ec2c0f8 EE |
95 | module_param_named(log_num_mgm_entry_size, |
96 | mlx4_log_num_mgm_entry_size, int, 0444); | |
97 | MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num" | |
98 | " of qp per mcg, for example:" | |
3c439b55 | 99 | " 10 gives 248.range: 7 <=" |
0ff1fb65 | 100 | " log_num_mgm_entry_size <= 12." |
3c439b55 JM |
101 | " To activate device managed" |
102 | " flow steering when available, set to -1"); | |
0ec2c0f8 | 103 | |
be902ab1 | 104 | static bool enable_64b_cqe_eqe = true; |
08ff3235 OG |
105 | module_param(enable_64b_cqe_eqe, bool, 0444); |
106 | MODULE_PARM_DESC(enable_64b_cqe_eqe, | |
be902ab1 | 107 | "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)"); |
08ff3235 | 108 | |
76e39ccf EC |
109 | static bool enable_4k_uar; |
110 | module_param(enable_4k_uar, bool, 0444); | |
111 | MODULE_PARM_DESC(enable_4k_uar, | |
112 | "Enable using 4K UAR. Should not be enabled if have VFs which do not support 4K UARs (default: false)"); | |
113 | ||
77507aa2 | 114 | #define PF_CONTEXT_BEHAVIOUR_MASK (MLX4_FUNC_CAP_64B_EQE_CQE | \ |
7d077cd3 MB |
115 | MLX4_FUNC_CAP_EQE_CQE_STRIDE | \ |
116 | MLX4_FUNC_CAP_DMFS_A0_STATIC) | |
ab9c17a0 | 117 | |
55ad3592 YH |
118 | #define RESET_PERSIST_MASK_FLAGS (MLX4_FLAG_SRIOV) |
119 | ||
f57e6848 | 120 | static char mlx4_version[] = |
225c7b1f RD |
121 | DRV_NAME ": Mellanox ConnectX core driver v" |
122 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
123 | ||
124 | static struct mlx4_profile default_profile = { | |
ab9c17a0 | 125 | .num_qp = 1 << 18, |
225c7b1f | 126 | .num_srq = 1 << 16, |
c9f2ba5e | 127 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
128 | .num_cq = 1 << 16, |
129 | .num_mcg = 1 << 13, | |
ab9c17a0 | 130 | .num_mpt = 1 << 19, |
9fd7a1e1 | 131 | .num_mtt = 1 << 20, /* It is really num mtt segements */ |
225c7b1f RD |
132 | }; |
133 | ||
2599d858 AV |
134 | static struct mlx4_profile low_mem_profile = { |
135 | .num_qp = 1 << 17, | |
136 | .num_srq = 1 << 6, | |
137 | .rdmarc_per_qp = 1 << 4, | |
138 | .num_cq = 1 << 8, | |
139 | .num_mcg = 1 << 8, | |
140 | .num_mpt = 1 << 9, | |
141 | .num_mtt = 1 << 7, | |
142 | }; | |
143 | ||
ab9c17a0 | 144 | static int log_num_mac = 7; |
93fc9e1b YP |
145 | module_param_named(log_num_mac, log_num_mac, int, 0444); |
146 | MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)"); | |
147 | ||
148 | static int log_num_vlan; | |
149 | module_param_named(log_num_vlan, log_num_vlan, int, 0444); | |
150 | MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)"); | |
cb29688a OG |
151 | /* Log2 max number of VLANs per ETH port (0-7) */ |
152 | #define MLX4_LOG_NUM_VLANS 7 | |
2599d858 AV |
153 | #define MLX4_MIN_LOG_NUM_VLANS 0 |
154 | #define MLX4_MIN_LOG_NUM_MAC 1 | |
93fc9e1b | 155 | |
eb939922 | 156 | static bool use_prio; |
93fc9e1b | 157 | module_param_named(use_prio, use_prio, bool, 0444); |
ecc8fb11 | 158 | MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports (deprecated)"); |
93fc9e1b | 159 | |
2b8fb286 | 160 | int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); |
ab6bf42e | 161 | module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); |
0498628f | 162 | MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); |
ab6bf42e | 163 | |
8d0fc7b6 | 164 | static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE}; |
ab9c17a0 JM |
165 | static int arr_argc = 2; |
166 | module_param_array(port_type_array, int, &arr_argc, 0444); | |
8d0fc7b6 YP |
167 | MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default " |
168 | "1 for IB, 2 for Ethernet"); | |
ab9c17a0 JM |
169 | |
170 | struct mlx4_port_config { | |
171 | struct list_head list; | |
172 | enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1]; | |
173 | struct pci_dev *pdev; | |
174 | }; | |
175 | ||
97989356 AV |
176 | static atomic_t pf_loading = ATOMIC_INIT(0); |
177 | ||
85743f1e HN |
178 | static inline void mlx4_set_num_reserved_uars(struct mlx4_dev *dev, |
179 | struct mlx4_dev_cap *dev_cap) | |
180 | { | |
181 | /* The reserved_uars is calculated by system page size unit. | |
182 | * Therefore, adjustment is added when the uar page size is less | |
183 | * than the system page size | |
184 | */ | |
185 | dev->caps.reserved_uars = | |
186 | max_t(int, | |
187 | mlx4_get_num_reserved_uar(dev), | |
188 | dev_cap->reserved_uars / | |
189 | (1 << (PAGE_SHIFT - dev->uar_page_shift))); | |
190 | } | |
191 | ||
27bf91d6 YP |
192 | int mlx4_check_port_params(struct mlx4_dev *dev, |
193 | enum mlx4_port_type *port_type) | |
7ff93f8b YP |
194 | { |
195 | int i; | |
196 | ||
0b997657 YS |
197 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) { |
198 | for (i = 0; i < dev->caps.num_ports - 1; i++) { | |
199 | if (port_type[i] != port_type[i + 1]) { | |
1a91de28 | 200 | mlx4_err(dev, "Only same port types supported on this HCA, aborting\n"); |
27bf91d6 YP |
201 | return -EINVAL; |
202 | } | |
7ff93f8b YP |
203 | } |
204 | } | |
7ff93f8b YP |
205 | |
206 | for (i = 0; i < dev->caps.num_ports; i++) { | |
207 | if (!(port_type[i] & dev->caps.supported_type[i+1])) { | |
1a91de28 JP |
208 | mlx4_err(dev, "Requested port type for port %d is not supported on this HCA\n", |
209 | i + 1); | |
7ff93f8b YP |
210 | return -EINVAL; |
211 | } | |
212 | } | |
213 | return 0; | |
214 | } | |
215 | ||
216 | static void mlx4_set_port_mask(struct mlx4_dev *dev) | |
217 | { | |
218 | int i; | |
219 | ||
7ff93f8b | 220 | for (i = 1; i <= dev->caps.num_ports; ++i) |
65dab25d | 221 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
7ff93f8b | 222 | } |
f2a3f6a3 | 223 | |
7ae0e400 MB |
224 | enum { |
225 | MLX4_QUERY_FUNC_NUM_SYS_EQS = 1 << 0, | |
226 | }; | |
227 | ||
228 | static int mlx4_query_func(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) | |
229 | { | |
230 | int err = 0; | |
231 | struct mlx4_func func; | |
232 | ||
233 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { | |
234 | err = mlx4_QUERY_FUNC(dev, &func, 0); | |
235 | if (err) { | |
236 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
237 | return err; | |
238 | } | |
239 | dev_cap->max_eqs = func.max_eq; | |
240 | dev_cap->reserved_eqs = func.rsvd_eqs; | |
241 | dev_cap->reserved_uars = func.rsvd_uars; | |
242 | err |= MLX4_QUERY_FUNC_NUM_SYS_EQS; | |
243 | } | |
244 | return err; | |
245 | } | |
246 | ||
77507aa2 IS |
247 | static void mlx4_enable_cqe_eqe_stride(struct mlx4_dev *dev) |
248 | { | |
249 | struct mlx4_caps *dev_cap = &dev->caps; | |
250 | ||
251 | /* FW not supporting or cancelled by user */ | |
252 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) || | |
253 | !(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) | |
254 | return; | |
255 | ||
256 | /* Must have 64B CQE_EQE enabled by FW to use bigger stride | |
257 | * When FW has NCSI it may decide not to report 64B CQE/EQEs | |
258 | */ | |
259 | if (!(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_EQE) || | |
260 | !(dev_cap->flags & MLX4_DEV_CAP_FLAG_64B_CQE)) { | |
261 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
262 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
263 | return; | |
264 | } | |
265 | ||
266 | if (cache_line_size() == 128 || cache_line_size() == 256) { | |
267 | mlx4_dbg(dev, "Enabling CQE stride cacheLine supported\n"); | |
268 | /* Changing the real data inside CQE size to 32B */ | |
269 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
270 | dev_cap->flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
271 | ||
272 | if (mlx4_is_master(dev)) | |
273 | dev_cap->function_caps |= MLX4_FUNC_CAP_EQE_CQE_STRIDE; | |
274 | } else { | |
0fab541a OG |
275 | if (cache_line_size() != 32 && cache_line_size() != 64) |
276 | mlx4_dbg(dev, "Disabling CQE stride, cacheLine size unsupported\n"); | |
77507aa2 IS |
277 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; |
278 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
279 | } | |
280 | } | |
281 | ||
431df8c7 MB |
282 | static int _mlx4_dev_port(struct mlx4_dev *dev, int port, |
283 | struct mlx4_port_cap *port_cap) | |
284 | { | |
285 | dev->caps.vl_cap[port] = port_cap->max_vl; | |
286 | dev->caps.ib_mtu_cap[port] = port_cap->ib_mtu; | |
287 | dev->phys_caps.gid_phys_table_len[port] = port_cap->max_gids; | |
288 | dev->phys_caps.pkey_phys_table_len[port] = port_cap->max_pkeys; | |
289 | /* set gid and pkey table operating lengths by default | |
290 | * to non-sriov values | |
291 | */ | |
292 | dev->caps.gid_table_len[port] = port_cap->max_gids; | |
293 | dev->caps.pkey_table_len[port] = port_cap->max_pkeys; | |
294 | dev->caps.port_width_cap[port] = port_cap->max_port_width; | |
295 | dev->caps.eth_mtu_cap[port] = port_cap->eth_mtu; | |
af7d5185 | 296 | dev->caps.max_tc_eth = port_cap->max_tc_eth; |
431df8c7 MB |
297 | dev->caps.def_mac[port] = port_cap->def_mac; |
298 | dev->caps.supported_type[port] = port_cap->supported_port_types; | |
299 | dev->caps.suggested_type[port] = port_cap->suggested_type; | |
300 | dev->caps.default_sense[port] = port_cap->default_sense; | |
301 | dev->caps.trans_type[port] = port_cap->trans_type; | |
302 | dev->caps.vendor_oui[port] = port_cap->vendor_oui; | |
303 | dev->caps.wavelength[port] = port_cap->wavelength; | |
304 | dev->caps.trans_code[port] = port_cap->trans_code; | |
305 | ||
306 | return 0; | |
307 | } | |
308 | ||
309 | static int mlx4_dev_port(struct mlx4_dev *dev, int port, | |
310 | struct mlx4_port_cap *port_cap) | |
311 | { | |
312 | int err = 0; | |
313 | ||
314 | err = mlx4_QUERY_PORT(dev, port, port_cap); | |
315 | ||
316 | if (err) | |
317 | mlx4_err(dev, "QUERY_PORT command failed.\n"); | |
318 | ||
319 | return err; | |
320 | } | |
321 | ||
78500b8c MM |
322 | static inline void mlx4_enable_ignore_fcs(struct mlx4_dev *dev) |
323 | { | |
324 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)) | |
325 | return; | |
326 | ||
327 | if (mlx4_is_mfunc(dev)) { | |
328 | mlx4_dbg(dev, "SRIOV mode - Disabling Ignore FCS"); | |
329 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; | |
330 | return; | |
331 | } | |
332 | ||
333 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)) { | |
334 | mlx4_dbg(dev, | |
335 | "Keep FCS is not supported - Disabling Ignore FCS"); | |
336 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS; | |
337 | return; | |
338 | } | |
339 | } | |
340 | ||
431df8c7 | 341 | #define MLX4_A0_STEERING_TABLE_SIZE 256 |
3d73c288 | 342 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
343 | { |
344 | int err; | |
5ae2a7a8 | 345 | int i; |
225c7b1f RD |
346 | |
347 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
348 | if (err) { | |
1a91de28 | 349 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
225c7b1f RD |
350 | return err; |
351 | } | |
c78e25ed | 352 | mlx4_dev_cap_dump(dev, dev_cap); |
225c7b1f RD |
353 | |
354 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
1a91de28 | 355 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
225c7b1f RD |
356 | dev_cap->min_page_sz, PAGE_SIZE); |
357 | return -ENODEV; | |
358 | } | |
359 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
1a91de28 | 360 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
225c7b1f RD |
361 | dev_cap->num_ports, MLX4_MAX_PORTS); |
362 | return -ENODEV; | |
363 | } | |
364 | ||
872bf2fb | 365 | if (dev_cap->uar_size > pci_resource_len(dev->persist->pdev, 2)) { |
1a91de28 | 366 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
225c7b1f | 367 | dev_cap->uar_size, |
872bf2fb YH |
368 | (unsigned long long) |
369 | pci_resource_len(dev->persist->pdev, 2)); | |
225c7b1f RD |
370 | return -ENODEV; |
371 | } | |
372 | ||
373 | dev->caps.num_ports = dev_cap->num_ports; | |
7ae0e400 MB |
374 | dev->caps.num_sys_eqs = dev_cap->num_sys_eqs; |
375 | dev->phys_caps.num_phys_eqs = dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS ? | |
376 | dev->caps.num_sys_eqs : | |
377 | MLX4_MAX_EQ_NUM; | |
5ae2a7a8 | 378 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
431df8c7 MB |
379 | err = _mlx4_dev_port(dev, i, dev_cap->port_cap + i); |
380 | if (err) { | |
381 | mlx4_err(dev, "QUERY_PORT command failed, aborting\n"); | |
382 | return err; | |
383 | } | |
5ae2a7a8 RD |
384 | } |
385 | ||
ab9c17a0 | 386 | dev->caps.uar_page_size = PAGE_SIZE; |
225c7b1f | 387 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
388 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
389 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
390 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
391 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
392 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
393 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
394 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
225c7b1f RD |
395 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
396 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
397 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
398 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
399 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
225c7b1f RD |
400 | /* |
401 | * Subtract 1 from the limit because we need to allocate a | |
402 | * spare CQE so the HCA HW can tell the difference between an | |
403 | * empty CQ and a full CQ. | |
404 | */ | |
405 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
406 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
407 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
2b8fb286 | 408 | dev->caps.reserved_mtts = dev_cap->reserved_mtts; |
225c7b1f | 409 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
ab9c17a0 | 410 | |
225c7b1f | 411 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
012a8ff5 SH |
412 | dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? |
413 | dev_cap->reserved_xrcds : 0; | |
414 | dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ? | |
415 | dev_cap->max_xrcds : 0; | |
2b8fb286 MA |
416 | dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz; |
417 | ||
149983af | 418 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
419 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
420 | dev->caps.flags = dev_cap->flags; | |
b3416f44 | 421 | dev->caps.flags2 = dev_cap->flags2; |
95d04f07 RD |
422 | dev->caps.bmme_flags = dev_cap->bmme_flags; |
423 | dev->caps.reserved_lkey = dev_cap->reserved_lkey; | |
225c7b1f | 424 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
b832be1e | 425 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
b3416f44 | 426 | dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; |
225c7b1f | 427 | |
85743f1e HN |
428 | /* Save uar page shift */ |
429 | if (!mlx4_is_slave(dev)) { | |
430 | /* Virtual PCI function needs to determine UAR page size from | |
431 | * firmware. Only master PCI function can set the uar page size | |
432 | */ | |
76e39ccf EC |
433 | if (enable_4k_uar) |
434 | dev->uar_page_shift = DEFAULT_UAR_PAGE_SHIFT; | |
435 | else | |
436 | dev->uar_page_shift = PAGE_SHIFT; | |
437 | ||
85743f1e HN |
438 | mlx4_set_num_reserved_uars(dev, dev_cap); |
439 | } | |
440 | ||
77fc29c4 HHZ |
441 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN) { |
442 | struct mlx4_init_hca_param hca_param; | |
443 | ||
444 | memset(&hca_param, 0, sizeof(hca_param)); | |
445 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
446 | /* Turn off PHV_EN flag in case phv_check_en is set. | |
447 | * phv_check_en is a HW check that parse the packet and verify | |
448 | * phv bit was reported correctly in the wqe. To allow QinQ | |
449 | * PHV_EN flag should be set and phv_check_en must be cleared | |
450 | * otherwise QinQ packets will be drop by the HW. | |
451 | */ | |
452 | if (err || hca_param.phv_check_en) | |
453 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_PHV_EN; | |
454 | } | |
455 | ||
ca3e57a5 RD |
456 | /* Sense port always allowed on supported devices for ConnectX-1 and -2 */ |
457 | if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT) | |
58a60168 | 458 | dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; |
aadf4f3f RD |
459 | /* Don't do sense port on multifunction devices (for now at least) */ |
460 | if (mlx4_is_mfunc(dev)) | |
461 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT; | |
58a60168 | 462 | |
2599d858 AV |
463 | if (mlx4_low_memory_profile()) { |
464 | dev->caps.log_num_macs = MLX4_MIN_LOG_NUM_MAC; | |
465 | dev->caps.log_num_vlans = MLX4_MIN_LOG_NUM_VLANS; | |
466 | } else { | |
467 | dev->caps.log_num_macs = log_num_mac; | |
468 | dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS; | |
469 | } | |
93fc9e1b YP |
470 | |
471 | for (i = 1; i <= dev->caps.num_ports; ++i) { | |
ab9c17a0 JM |
472 | dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE; |
473 | if (dev->caps.supported_type[i]) { | |
474 | /* if only ETH is supported - assign ETH */ | |
475 | if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH) | |
476 | dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH; | |
105c320f | 477 | /* if only IB is supported, assign IB */ |
ab9c17a0 | 478 | else if (dev->caps.supported_type[i] == |
105c320f JM |
479 | MLX4_PORT_TYPE_IB) |
480 | dev->caps.port_type[i] = MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 481 | else { |
105c320f JM |
482 | /* if IB and ETH are supported, we set the port |
483 | * type according to user selection of port type; | |
484 | * if user selected none, take the FW hint */ | |
485 | if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE) | |
8d0fc7b6 YP |
486 | dev->caps.port_type[i] = dev->caps.suggested_type[i] ? |
487 | MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB; | |
ab9c17a0 | 488 | else |
105c320f | 489 | dev->caps.port_type[i] = port_type_array[i - 1]; |
ab9c17a0 JM |
490 | } |
491 | } | |
8d0fc7b6 YP |
492 | /* |
493 | * Link sensing is allowed on the port if 3 conditions are true: | |
494 | * 1. Both protocols are supported on the port. | |
495 | * 2. Different types are supported on the port | |
496 | * 3. FW declared that it supports link sensing | |
497 | */ | |
27bf91d6 | 498 | mlx4_priv(dev)->sense.sense_allowed[i] = |
58a60168 | 499 | ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) && |
8d0fc7b6 | 500 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
58a60168 | 501 | (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)); |
7ff93f8b | 502 | |
8d0fc7b6 YP |
503 | /* |
504 | * If "default_sense" bit is set, we move the port to "AUTO" mode | |
505 | * and perform sense_port FW command to try and set the correct | |
506 | * port type from beginning | |
507 | */ | |
46c46747 | 508 | if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) { |
8d0fc7b6 YP |
509 | enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE; |
510 | dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO; | |
511 | mlx4_SENSE_PORT(dev, i, &sensed_port); | |
512 | if (sensed_port != MLX4_PORT_TYPE_NONE) | |
513 | dev->caps.port_type[i] = sensed_port; | |
514 | } else { | |
515 | dev->caps.possible_type[i] = dev->caps.port_type[i]; | |
516 | } | |
517 | ||
431df8c7 MB |
518 | if (dev->caps.log_num_macs > dev_cap->port_cap[i].log_max_macs) { |
519 | dev->caps.log_num_macs = dev_cap->port_cap[i].log_max_macs; | |
1a91de28 | 520 | mlx4_warn(dev, "Requested number of MACs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
521 | i, 1 << dev->caps.log_num_macs); |
522 | } | |
431df8c7 MB |
523 | if (dev->caps.log_num_vlans > dev_cap->port_cap[i].log_max_vlans) { |
524 | dev->caps.log_num_vlans = dev_cap->port_cap[i].log_max_vlans; | |
1a91de28 | 525 | mlx4_warn(dev, "Requested number of VLANs is too much for port %d, reducing to %d\n", |
93fc9e1b YP |
526 | i, 1 << dev->caps.log_num_vlans); |
527 | } | |
528 | } | |
529 | ||
ac0a72a3 OG |
530 | if (mlx4_is_master(dev) && (dev->caps.num_ports == 2) && |
531 | (port_type_array[0] == MLX4_PORT_TYPE_IB) && | |
532 | (port_type_array[1] == MLX4_PORT_TYPE_ETH)) { | |
533 | mlx4_warn(dev, | |
534 | "Granular QoS per VF not supported with IB/Eth configuration\n"); | |
535 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_QOS_VPP; | |
536 | } | |
537 | ||
47d8417f | 538 | dev->caps.max_counters = dev_cap->max_counters; |
f2a3f6a3 | 539 | |
93fc9e1b YP |
540 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps; |
541 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] = | |
542 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] = | |
543 | (1 << dev->caps.log_num_macs) * | |
544 | (1 << dev->caps.log_num_vlans) * | |
93fc9e1b YP |
545 | dev->caps.num_ports; |
546 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH; | |
7d077cd3 MB |
547 | |
548 | if (dev_cap->dmfs_high_rate_qpn_base > 0 && | |
549 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) | |
550 | dev->caps.dmfs_high_rate_qpn_base = dev_cap->dmfs_high_rate_qpn_base; | |
551 | else | |
552 | dev->caps.dmfs_high_rate_qpn_base = | |
553 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
554 | ||
555 | if (dev_cap->dmfs_high_rate_qpn_range > 0 && | |
556 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN) { | |
557 | dev->caps.dmfs_high_rate_qpn_range = dev_cap->dmfs_high_rate_qpn_range; | |
558 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DEFAULT; | |
559 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_FS_A0; | |
560 | } else { | |
561 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_NOT_SUPPORTED; | |
562 | dev->caps.dmfs_high_rate_qpn_base = | |
563 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
564 | dev->caps.dmfs_high_rate_qpn_range = MLX4_A0_STEERING_TABLE_SIZE; | |
565 | } | |
566 | ||
fc31e256 OG |
567 | dev->caps.rl_caps = dev_cap->rl_caps; |
568 | ||
d57febe1 | 569 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_RSS_RAW_ETH] = |
7d077cd3 | 570 | dev->caps.dmfs_high_rate_qpn_range; |
93fc9e1b YP |
571 | |
572 | dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] + | |
573 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] + | |
574 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] + | |
575 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH]; | |
576 | ||
e2c76824 | 577 | dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; |
08ff3235 | 578 | |
b3051320 | 579 | if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { |
08ff3235 OG |
580 | if (dev_cap->flags & |
581 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { | |
582 | mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); | |
583 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE; | |
584 | dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE; | |
585 | } | |
77507aa2 IS |
586 | |
587 | if (dev_cap->flags2 & | |
588 | (MLX4_DEV_CAP_FLAG2_CQE_STRIDE | | |
589 | MLX4_DEV_CAP_FLAG2_EQE_STRIDE)) { | |
590 | mlx4_warn(dev, "Disabling EQE/CQE stride per user request\n"); | |
591 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_CQE_STRIDE; | |
592 | dev_cap->flags2 &= ~MLX4_DEV_CAP_FLAG2_EQE_STRIDE; | |
593 | } | |
08ff3235 OG |
594 | } |
595 | ||
f97b4b5d | 596 | if ((dev->caps.flags & |
08ff3235 OG |
597 | (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && |
598 | mlx4_is_master(dev)) | |
599 | dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; | |
600 | ||
ddae0349 | 601 | if (!mlx4_is_slave(dev)) { |
77507aa2 | 602 | mlx4_enable_cqe_eqe_stride(dev); |
ddae0349 | 603 | dev->caps.alloc_res_qp_mask = |
d57febe1 MB |
604 | (dev->caps.bf_reg_size ? MLX4_RESERVE_ETH_BF_QP : 0) | |
605 | MLX4_RESERVE_A0_QP; | |
3742cc65 IS |
606 | |
607 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) && | |
608 | dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { | |
609 | mlx4_warn(dev, "Old device ETS support detected\n"); | |
610 | mlx4_warn(dev, "Consider upgrading device FW.\n"); | |
611 | dev->caps.flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; | |
612 | } | |
613 | ||
ddae0349 EE |
614 | } else { |
615 | dev->caps.alloc_res_qp_mask = 0; | |
616 | } | |
77507aa2 | 617 | |
78500b8c MM |
618 | mlx4_enable_ignore_fcs(dev); |
619 | ||
225c7b1f RD |
620 | return 0; |
621 | } | |
b912b2f8 EP |
622 | |
623 | static int mlx4_get_pcie_dev_link_caps(struct mlx4_dev *dev, | |
624 | enum pci_bus_speed *speed, | |
625 | enum pcie_link_width *width) | |
626 | { | |
627 | u32 lnkcap1, lnkcap2; | |
628 | int err1, err2; | |
629 | ||
630 | #define PCIE_MLW_CAP_SHIFT 4 /* start of MLW mask in link capabilities */ | |
631 | ||
632 | *speed = PCI_SPEED_UNKNOWN; | |
633 | *width = PCIE_LNK_WIDTH_UNKNOWN; | |
634 | ||
872bf2fb YH |
635 | err1 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP, |
636 | &lnkcap1); | |
637 | err2 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP2, | |
638 | &lnkcap2); | |
b912b2f8 EP |
639 | if (!err2 && lnkcap2) { /* PCIe r3.0-compliant */ |
640 | if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) | |
641 | *speed = PCIE_SPEED_8_0GT; | |
642 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) | |
643 | *speed = PCIE_SPEED_5_0GT; | |
644 | else if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) | |
645 | *speed = PCIE_SPEED_2_5GT; | |
646 | } | |
647 | if (!err1) { | |
648 | *width = (lnkcap1 & PCI_EXP_LNKCAP_MLW) >> PCIE_MLW_CAP_SHIFT; | |
649 | if (!lnkcap2) { /* pre-r3.0 */ | |
650 | if (lnkcap1 & PCI_EXP_LNKCAP_SLS_5_0GB) | |
651 | *speed = PCIE_SPEED_5_0GT; | |
652 | else if (lnkcap1 & PCI_EXP_LNKCAP_SLS_2_5GB) | |
653 | *speed = PCIE_SPEED_2_5GT; | |
654 | } | |
655 | } | |
656 | ||
657 | if (*speed == PCI_SPEED_UNKNOWN || *width == PCIE_LNK_WIDTH_UNKNOWN) { | |
658 | return err1 ? err1 : | |
659 | err2 ? err2 : -EINVAL; | |
660 | } | |
661 | return 0; | |
662 | } | |
663 | ||
664 | static void mlx4_check_pcie_caps(struct mlx4_dev *dev) | |
665 | { | |
666 | enum pcie_link_width width, width_cap; | |
667 | enum pci_bus_speed speed, speed_cap; | |
668 | int err; | |
669 | ||
670 | #define PCIE_SPEED_STR(speed) \ | |
671 | (speed == PCIE_SPEED_8_0GT ? "8.0GT/s" : \ | |
672 | speed == PCIE_SPEED_5_0GT ? "5.0GT/s" : \ | |
673 | speed == PCIE_SPEED_2_5GT ? "2.5GT/s" : \ | |
674 | "Unknown") | |
675 | ||
676 | err = mlx4_get_pcie_dev_link_caps(dev, &speed_cap, &width_cap); | |
677 | if (err) { | |
678 | mlx4_warn(dev, | |
679 | "Unable to determine PCIe device BW capabilities\n"); | |
680 | return; | |
681 | } | |
682 | ||
872bf2fb | 683 | err = pcie_get_minimum_link(dev->persist->pdev, &speed, &width); |
b912b2f8 EP |
684 | if (err || speed == PCI_SPEED_UNKNOWN || |
685 | width == PCIE_LNK_WIDTH_UNKNOWN) { | |
686 | mlx4_warn(dev, | |
687 | "Unable to determine PCI device chain minimum BW\n"); | |
688 | return; | |
689 | } | |
690 | ||
691 | if (width != width_cap || speed != speed_cap) | |
692 | mlx4_warn(dev, | |
693 | "PCIe BW is different than device's capability\n"); | |
694 | ||
695 | mlx4_info(dev, "PCIe link speed is %s, device supports %s\n", | |
696 | PCIE_SPEED_STR(speed), PCIE_SPEED_STR(speed_cap)); | |
697 | mlx4_info(dev, "PCIe link width is x%d, device supports x%d\n", | |
698 | width, width_cap); | |
699 | return; | |
700 | } | |
701 | ||
ab9c17a0 JM |
702 | /*The function checks if there are live vf, return the num of them*/ |
703 | static int mlx4_how_many_lives_vf(struct mlx4_dev *dev) | |
704 | { | |
705 | struct mlx4_priv *priv = mlx4_priv(dev); | |
706 | struct mlx4_slave_state *s_state; | |
707 | int i; | |
708 | int ret = 0; | |
709 | ||
710 | for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) { | |
711 | s_state = &priv->mfunc.master.slave_state[i]; | |
712 | if (s_state->active && s_state->last_cmd != | |
713 | MLX4_COMM_CMD_RESET) { | |
714 | mlx4_warn(dev, "%s: slave: %d is still active\n", | |
715 | __func__, i); | |
716 | ret++; | |
717 | } | |
718 | } | |
719 | return ret; | |
720 | } | |
721 | ||
396f2feb JM |
722 | int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey) |
723 | { | |
724 | u32 qk = MLX4_RESERVED_QKEY_BASE; | |
47605df9 JM |
725 | |
726 | if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX || | |
727 | qpn < dev->phys_caps.base_proxy_sqpn) | |
396f2feb JM |
728 | return -EINVAL; |
729 | ||
47605df9 | 730 | if (qpn >= dev->phys_caps.base_tunnel_sqpn) |
396f2feb | 731 | /* tunnel qp */ |
47605df9 | 732 | qk += qpn - dev->phys_caps.base_tunnel_sqpn; |
396f2feb | 733 | else |
47605df9 | 734 | qk += qpn - dev->phys_caps.base_proxy_sqpn; |
396f2feb JM |
735 | *qkey = qk; |
736 | return 0; | |
737 | } | |
738 | EXPORT_SYMBOL(mlx4_get_parav_qkey); | |
739 | ||
54679e14 JM |
740 | void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val) |
741 | { | |
742 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
743 | ||
744 | if (!mlx4_is_master(dev)) | |
745 | return; | |
746 | ||
747 | priv->virt2phys_pkey[slave][port - 1][i] = val; | |
748 | } | |
749 | EXPORT_SYMBOL(mlx4_sync_pkey_table); | |
750 | ||
afa8fd1d JM |
751 | void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid) |
752 | { | |
753 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
754 | ||
755 | if (!mlx4_is_master(dev)) | |
756 | return; | |
757 | ||
758 | priv->slave_node_guids[slave] = guid; | |
759 | } | |
760 | EXPORT_SYMBOL(mlx4_put_slave_node_guid); | |
761 | ||
762 | __be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave) | |
763 | { | |
764 | struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev); | |
765 | ||
766 | if (!mlx4_is_master(dev)) | |
767 | return 0; | |
768 | ||
769 | return priv->slave_node_guids[slave]; | |
770 | } | |
771 | EXPORT_SYMBOL(mlx4_get_slave_node_guid); | |
772 | ||
e10903b0 | 773 | int mlx4_is_slave_active(struct mlx4_dev *dev, int slave) |
ab9c17a0 JM |
774 | { |
775 | struct mlx4_priv *priv = mlx4_priv(dev); | |
776 | struct mlx4_slave_state *s_slave; | |
777 | ||
778 | if (!mlx4_is_master(dev)) | |
779 | return 0; | |
780 | ||
781 | s_slave = &priv->mfunc.master.slave_state[slave]; | |
782 | return !!s_slave->active; | |
783 | } | |
784 | EXPORT_SYMBOL(mlx4_is_slave_active); | |
785 | ||
10b1c04e JM |
786 | void mlx4_handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl, |
787 | struct _rule_hw *eth_header) | |
788 | { | |
789 | if (is_multicast_ether_addr(eth_header->eth.dst_mac) || | |
790 | is_broadcast_ether_addr(eth_header->eth.dst_mac)) { | |
791 | struct mlx4_net_trans_rule_hw_eth *eth = | |
792 | (struct mlx4_net_trans_rule_hw_eth *)eth_header; | |
793 | struct _rule_hw *next_rule = (struct _rule_hw *)(eth + 1); | |
794 | bool last_rule = next_rule->size == 0 && next_rule->id == 0 && | |
795 | next_rule->rsvd == 0; | |
796 | ||
797 | if (last_rule) | |
798 | ctrl->prio = cpu_to_be16(MLX4_DOMAIN_NIC); | |
799 | } | |
800 | } | |
801 | EXPORT_SYMBOL(mlx4_handle_eth_header_mcast_prio); | |
802 | ||
7b8157be JM |
803 | static void slave_adjust_steering_mode(struct mlx4_dev *dev, |
804 | struct mlx4_dev_cap *dev_cap, | |
805 | struct mlx4_init_hca_param *hca_param) | |
806 | { | |
807 | dev->caps.steering_mode = hca_param->steering_mode; | |
808 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
809 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
810 | dev->caps.fs_log_max_ucast_qp_range_size = | |
811 | dev_cap->fs_log_max_ucast_qp_range_size; | |
812 | } else | |
813 | dev->caps.num_qp_per_mgm = | |
814 | 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2); | |
815 | ||
816 | mlx4_dbg(dev, "Steering mode is: %s\n", | |
817 | mlx4_steering_mode_str(dev->caps.steering_mode)); | |
818 | } | |
819 | ||
ab9c17a0 JM |
820 | static int mlx4_slave_cap(struct mlx4_dev *dev) |
821 | { | |
822 | int err; | |
823 | u32 page_size; | |
824 | struct mlx4_dev_cap dev_cap; | |
825 | struct mlx4_func_cap func_cap; | |
826 | struct mlx4_init_hca_param hca_param; | |
225c6c8c | 827 | u8 i; |
ab9c17a0 JM |
828 | |
829 | memset(&hca_param, 0, sizeof(hca_param)); | |
830 | err = mlx4_QUERY_HCA(dev, &hca_param); | |
831 | if (err) { | |
1a91de28 | 832 | mlx4_err(dev, "QUERY_HCA command failed, aborting\n"); |
ab9c17a0 JM |
833 | return err; |
834 | } | |
835 | ||
483e0132 EP |
836 | /* fail if the hca has an unknown global capability |
837 | * at this time global_caps should be always zeroed | |
838 | */ | |
839 | if (hca_param.global_caps) { | |
ab9c17a0 | 840 | mlx4_err(dev, "Unknown hca global capabilities\n"); |
72b8eaab | 841 | return -EINVAL; |
ab9c17a0 JM |
842 | } |
843 | ||
ddd8a6c1 EE |
844 | dev->caps.hca_core_clock = hca_param.hca_core_clock; |
845 | ||
ab9c17a0 | 846 | memset(&dev_cap, 0, sizeof(dev_cap)); |
b91cb3eb | 847 | dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp; |
ab9c17a0 JM |
848 | err = mlx4_dev_cap(dev, &dev_cap); |
849 | if (err) { | |
1a91de28 | 850 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
ab9c17a0 JM |
851 | return err; |
852 | } | |
853 | ||
b91cb3eb JM |
854 | err = mlx4_QUERY_FW(dev); |
855 | if (err) | |
1a91de28 | 856 | mlx4_err(dev, "QUERY_FW command failed: could not get FW version\n"); |
b91cb3eb | 857 | |
ab9c17a0 JM |
858 | page_size = ~dev->caps.page_size_cap + 1; |
859 | mlx4_warn(dev, "HCA minimum page size:%d\n", page_size); | |
860 | if (page_size > PAGE_SIZE) { | |
1a91de28 | 861 | mlx4_err(dev, "HCA minimum page size of %d bigger than kernel PAGE_SIZE of %ld, aborting\n", |
ab9c17a0 JM |
862 | page_size, PAGE_SIZE); |
863 | return -ENODEV; | |
864 | } | |
865 | ||
85743f1e HN |
866 | /* Set uar_page_shift for VF */ |
867 | dev->uar_page_shift = hca_param.uar_page_sz + 12; | |
ab9c17a0 | 868 | |
85743f1e HN |
869 | /* Make sure the master uar page size is valid */ |
870 | if (dev->uar_page_shift > PAGE_SHIFT) { | |
871 | mlx4_err(dev, | |
872 | "Invalid configuration: uar page size is larger than system page size\n"); | |
873 | return -ENODEV; | |
ab9c17a0 JM |
874 | } |
875 | ||
85743f1e HN |
876 | /* Set reserved_uars based on the uar_page_shift */ |
877 | mlx4_set_num_reserved_uars(dev, &dev_cap); | |
878 | ||
879 | /* Although uar page size in FW differs from system page size, | |
880 | * upper software layers (mlx4_ib, mlx4_en and part of mlx4_core) | |
881 | * still works with assumption that uar page size == system page size | |
882 | */ | |
883 | dev->caps.uar_page_size = PAGE_SIZE; | |
884 | ||
ab9c17a0 | 885 | memset(&func_cap, 0, sizeof(func_cap)); |
47605df9 | 886 | err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap); |
ab9c17a0 | 887 | if (err) { |
1a91de28 JP |
888 | mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d)\n", |
889 | err); | |
ab9c17a0 JM |
890 | return err; |
891 | } | |
892 | ||
893 | if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) != | |
894 | PF_CONTEXT_BEHAVIOUR_MASK) { | |
7d077cd3 MB |
895 | mlx4_err(dev, "Unknown pf context behaviour %x known flags %x\n", |
896 | func_cap.pf_context_behaviour, PF_CONTEXT_BEHAVIOUR_MASK); | |
72b8eaab | 897 | return -EINVAL; |
ab9c17a0 JM |
898 | } |
899 | ||
ab9c17a0 | 900 | dev->caps.num_ports = func_cap.num_ports; |
5a0d0a61 JM |
901 | dev->quotas.qp = func_cap.qp_quota; |
902 | dev->quotas.srq = func_cap.srq_quota; | |
903 | dev->quotas.cq = func_cap.cq_quota; | |
904 | dev->quotas.mpt = func_cap.mpt_quota; | |
905 | dev->quotas.mtt = func_cap.mtt_quota; | |
906 | dev->caps.num_qps = 1 << hca_param.log_num_qps; | |
907 | dev->caps.num_srqs = 1 << hca_param.log_num_srqs; | |
908 | dev->caps.num_cqs = 1 << hca_param.log_num_cqs; | |
909 | dev->caps.num_mpts = 1 << hca_param.log_mpt_sz; | |
910 | dev->caps.num_eqs = func_cap.max_eq; | |
911 | dev->caps.reserved_eqs = func_cap.reserved_eq; | |
f0ce0615 | 912 | dev->caps.reserved_lkey = func_cap.reserved_lkey; |
ab9c17a0 JM |
913 | dev->caps.num_pds = MLX4_NUM_PDS; |
914 | dev->caps.num_mgms = 0; | |
915 | dev->caps.num_amgms = 0; | |
916 | ||
ab9c17a0 | 917 | if (dev->caps.num_ports > MLX4_MAX_PORTS) { |
1a91de28 JP |
918 | mlx4_err(dev, "HCA has %d ports, but we only support %d, aborting\n", |
919 | dev->caps.num_ports, MLX4_MAX_PORTS); | |
ab9c17a0 JM |
920 | return -ENODEV; |
921 | } | |
922 | ||
2b3ddf27 JM |
923 | mlx4_replace_zero_macs(dev); |
924 | ||
99ec41d0 | 925 | dev->caps.qp0_qkey = kcalloc(dev->caps.num_ports, sizeof(u32), GFP_KERNEL); |
47605df9 JM |
926 | dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); |
927 | dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
928 | dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
929 | dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL); | |
930 | ||
931 | if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy || | |
99ec41d0 JM |
932 | !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy || |
933 | !dev->caps.qp0_qkey) { | |
47605df9 JM |
934 | err = -ENOMEM; |
935 | goto err_mem; | |
936 | } | |
937 | ||
6634961c | 938 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
225c6c8c | 939 | err = mlx4_QUERY_FUNC_CAP(dev, i, &func_cap); |
47605df9 | 940 | if (err) { |
1a91de28 JP |
941 | mlx4_err(dev, "QUERY_FUNC_CAP port command failed for port %d, aborting (%d)\n", |
942 | i, err); | |
47605df9 JM |
943 | goto err_mem; |
944 | } | |
99ec41d0 | 945 | dev->caps.qp0_qkey[i - 1] = func_cap.qp0_qkey; |
47605df9 JM |
946 | dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn; |
947 | dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn; | |
948 | dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn; | |
949 | dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn; | |
6230bb23 | 950 | dev->caps.port_mask[i] = dev->caps.port_type[i]; |
8e1a28e8 | 951 | dev->caps.phys_port_id[i] = func_cap.phys_port_id; |
d49c2197 NO |
952 | err = mlx4_get_slave_pkey_gid_tbl_len(dev, i, |
953 | &dev->caps.gid_table_len[i], | |
954 | &dev->caps.pkey_table_len[i]); | |
955 | if (err) | |
47605df9 | 956 | goto err_mem; |
6634961c | 957 | } |
6230bb23 | 958 | |
ab9c17a0 JM |
959 | if (dev->caps.uar_page_size * (dev->caps.num_uars - |
960 | dev->caps.reserved_uars) > | |
872bf2fb YH |
961 | pci_resource_len(dev->persist->pdev, |
962 | 2)) { | |
1a91de28 | 963 | mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n", |
ab9c17a0 | 964 | dev->caps.uar_page_size * dev->caps.num_uars, |
872bf2fb YH |
965 | (unsigned long long) |
966 | pci_resource_len(dev->persist->pdev, 2)); | |
d49c2197 | 967 | err = -ENOMEM; |
47605df9 | 968 | goto err_mem; |
ab9c17a0 JM |
969 | } |
970 | ||
08ff3235 OG |
971 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) { |
972 | dev->caps.eqe_size = 64; | |
973 | dev->caps.eqe_factor = 1; | |
974 | } else { | |
975 | dev->caps.eqe_size = 32; | |
976 | dev->caps.eqe_factor = 0; | |
977 | } | |
978 | ||
979 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) { | |
980 | dev->caps.cqe_size = 64; | |
77507aa2 | 981 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; |
08ff3235 OG |
982 | } else { |
983 | dev->caps.cqe_size = 32; | |
984 | } | |
985 | ||
77507aa2 IS |
986 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_EQE_STRIDE_ENABLED) { |
987 | dev->caps.eqe_size = hca_param.eqe_size; | |
988 | dev->caps.eqe_factor = 0; | |
989 | } | |
990 | ||
991 | if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_CQE_STRIDE_ENABLED) { | |
992 | dev->caps.cqe_size = hca_param.cqe_size; | |
993 | /* User still need to know when CQE > 32B */ | |
994 | dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; | |
995 | } | |
996 | ||
f9bd2d7f | 997 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
1a91de28 | 998 | mlx4_warn(dev, "Timestamping is not supported in slave mode\n"); |
f9bd2d7f | 999 | |
7b8157be | 1000 | slave_adjust_steering_mode(dev, &dev_cap, &hca_param); |
802f42a8 IS |
1001 | mlx4_dbg(dev, "RSS support for IP fragments is %s\n", |
1002 | hca_param.rss_ip_frags ? "on" : "off"); | |
7b8157be | 1003 | |
ddae0349 EE |
1004 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_BF_RES_QP && |
1005 | dev->caps.bf_reg_size) | |
1006 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_ETH_BF_QP; | |
1007 | ||
d57febe1 MB |
1008 | if (func_cap.extra_flags & MLX4_QUERY_FUNC_FLAGS_A0_RES_QP) |
1009 | dev->caps.alloc_res_qp_mask |= MLX4_RESERVE_A0_QP; | |
1010 | ||
ab9c17a0 | 1011 | return 0; |
47605df9 JM |
1012 | |
1013 | err_mem: | |
99ec41d0 | 1014 | kfree(dev->caps.qp0_qkey); |
47605df9 JM |
1015 | kfree(dev->caps.qp0_tunnel); |
1016 | kfree(dev->caps.qp0_proxy); | |
1017 | kfree(dev->caps.qp1_tunnel); | |
1018 | kfree(dev->caps.qp1_proxy); | |
99ec41d0 JM |
1019 | dev->caps.qp0_qkey = NULL; |
1020 | dev->caps.qp0_tunnel = NULL; | |
1021 | dev->caps.qp0_proxy = NULL; | |
1022 | dev->caps.qp1_tunnel = NULL; | |
1023 | dev->caps.qp1_proxy = NULL; | |
47605df9 JM |
1024 | |
1025 | return err; | |
ab9c17a0 | 1026 | } |
225c7b1f | 1027 | |
b046ffe5 EP |
1028 | static void mlx4_request_modules(struct mlx4_dev *dev) |
1029 | { | |
1030 | int port; | |
1031 | int has_ib_port = false; | |
1032 | int has_eth_port = false; | |
1033 | #define EN_DRV_NAME "mlx4_en" | |
1034 | #define IB_DRV_NAME "mlx4_ib" | |
1035 | ||
1036 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
1037 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB) | |
1038 | has_ib_port = true; | |
1039 | else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) | |
1040 | has_eth_port = true; | |
1041 | } | |
1042 | ||
b046ffe5 EP |
1043 | if (has_eth_port) |
1044 | request_module_nowait(EN_DRV_NAME); | |
f24f790f OG |
1045 | if (has_ib_port || (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)) |
1046 | request_module_nowait(IB_DRV_NAME); | |
b046ffe5 EP |
1047 | } |
1048 | ||
7ff93f8b YP |
1049 | /* |
1050 | * Change the port configuration of the device. | |
1051 | * Every user of this function must hold the port mutex. | |
1052 | */ | |
27bf91d6 YP |
1053 | int mlx4_change_port_types(struct mlx4_dev *dev, |
1054 | enum mlx4_port_type *port_types) | |
7ff93f8b YP |
1055 | { |
1056 | int err = 0; | |
1057 | int change = 0; | |
1058 | int port; | |
1059 | ||
1060 | for (port = 0; port < dev->caps.num_ports; port++) { | |
27bf91d6 YP |
1061 | /* Change the port type only if the new type is different |
1062 | * from the current, and not set to Auto */ | |
3d8f9308 | 1063 | if (port_types[port] != dev->caps.port_type[port + 1]) |
7ff93f8b | 1064 | change = 1; |
7ff93f8b YP |
1065 | } |
1066 | if (change) { | |
1067 | mlx4_unregister_device(dev); | |
1068 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
1069 | mlx4_CLOSE_PORT(dev, port); | |
1e0f03d5 | 1070 | dev->caps.port_type[port] = port_types[port - 1]; |
6634961c | 1071 | err = mlx4_SET_PORT(dev, port, -1); |
7ff93f8b | 1072 | if (err) { |
1a91de28 JP |
1073 | mlx4_err(dev, "Failed to set port %d, aborting\n", |
1074 | port); | |
7ff93f8b YP |
1075 | goto out; |
1076 | } | |
1077 | } | |
1078 | mlx4_set_port_mask(dev); | |
1079 | err = mlx4_register_device(dev); | |
b046ffe5 EP |
1080 | if (err) { |
1081 | mlx4_err(dev, "Failed to register device\n"); | |
1082 | goto out; | |
1083 | } | |
1084 | mlx4_request_modules(dev); | |
7ff93f8b YP |
1085 | } |
1086 | ||
1087 | out: | |
1088 | return err; | |
1089 | } | |
1090 | ||
1091 | static ssize_t show_port_type(struct device *dev, | |
1092 | struct device_attribute *attr, | |
1093 | char *buf) | |
1094 | { | |
1095 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1096 | port_attr); | |
1097 | struct mlx4_dev *mdev = info->dev; | |
27bf91d6 YP |
1098 | char type[8]; |
1099 | ||
1100 | sprintf(type, "%s", | |
1101 | (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ? | |
1102 | "ib" : "eth"); | |
1103 | if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO) | |
1104 | sprintf(buf, "auto (%s)\n", type); | |
1105 | else | |
1106 | sprintf(buf, "%s\n", type); | |
7ff93f8b | 1107 | |
27bf91d6 | 1108 | return strlen(buf); |
7ff93f8b YP |
1109 | } |
1110 | ||
b2facd95 JP |
1111 | static int __set_port_type(struct mlx4_port_info *info, |
1112 | enum mlx4_port_type port_type) | |
7ff93f8b | 1113 | { |
7ff93f8b YP |
1114 | struct mlx4_dev *mdev = info->dev; |
1115 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1116 | enum mlx4_port_type types[MLX4_MAX_PORTS]; | |
27bf91d6 | 1117 | enum mlx4_port_type new_types[MLX4_MAX_PORTS]; |
7ff93f8b YP |
1118 | int i; |
1119 | int err = 0; | |
1120 | ||
33a1f8b1 MG |
1121 | if ((port_type & mdev->caps.supported_type[info->port]) != port_type) { |
1122 | mlx4_err(mdev, | |
1123 | "Requested port type for port %d is not supported on this HCA\n", | |
1124 | info->port); | |
1125 | err = -EINVAL; | |
1126 | goto err_sup; | |
1127 | } | |
1128 | ||
27bf91d6 | 1129 | mlx4_stop_sense(mdev); |
7ff93f8b | 1130 | mutex_lock(&priv->port_mutex); |
b2facd95 JP |
1131 | info->tmp_type = port_type; |
1132 | ||
27bf91d6 YP |
1133 | /* Possible type is always the one that was delivered */ |
1134 | mdev->caps.possible_type[info->port] = info->tmp_type; | |
1135 | ||
1136 | for (i = 0; i < mdev->caps.num_ports; i++) { | |
7ff93f8b | 1137 | types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type : |
27bf91d6 YP |
1138 | mdev->caps.possible_type[i+1]; |
1139 | if (types[i] == MLX4_PORT_TYPE_AUTO) | |
1140 | types[i] = mdev->caps.port_type[i+1]; | |
1141 | } | |
7ff93f8b | 1142 | |
58a60168 YP |
1143 | if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) && |
1144 | !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) { | |
27bf91d6 YP |
1145 | for (i = 1; i <= mdev->caps.num_ports; i++) { |
1146 | if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) { | |
1147 | mdev->caps.possible_type[i] = mdev->caps.port_type[i]; | |
1148 | err = -EINVAL; | |
1149 | } | |
1150 | } | |
1151 | } | |
1152 | if (err) { | |
1a91de28 | 1153 | 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 |
1154 | goto out; |
1155 | } | |
1156 | ||
1157 | mlx4_do_sense_ports(mdev, new_types, types); | |
1158 | ||
1159 | err = mlx4_check_port_params(mdev, new_types); | |
7ff93f8b YP |
1160 | if (err) |
1161 | goto out; | |
1162 | ||
27bf91d6 YP |
1163 | /* We are about to apply the changes after the configuration |
1164 | * was verified, no need to remember the temporary types | |
1165 | * any more */ | |
1166 | for (i = 0; i < mdev->caps.num_ports; i++) | |
1167 | priv->port[i + 1].tmp_type = 0; | |
7ff93f8b | 1168 | |
27bf91d6 | 1169 | err = mlx4_change_port_types(mdev, new_types); |
7ff93f8b YP |
1170 | |
1171 | out: | |
27bf91d6 | 1172 | mlx4_start_sense(mdev); |
7ff93f8b | 1173 | mutex_unlock(&priv->port_mutex); |
33a1f8b1 | 1174 | err_sup: |
b2facd95 JP |
1175 | return err; |
1176 | } | |
1177 | ||
1178 | static ssize_t set_port_type(struct device *dev, | |
1179 | struct device_attribute *attr, | |
1180 | const char *buf, size_t count) | |
1181 | { | |
1182 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1183 | port_attr); | |
1184 | struct mlx4_dev *mdev = info->dev; | |
1185 | enum mlx4_port_type port_type; | |
1186 | static DEFINE_MUTEX(set_port_type_mutex); | |
1187 | int err; | |
1188 | ||
1189 | mutex_lock(&set_port_type_mutex); | |
1190 | ||
1191 | if (!strcmp(buf, "ib\n")) { | |
1192 | port_type = MLX4_PORT_TYPE_IB; | |
1193 | } else if (!strcmp(buf, "eth\n")) { | |
1194 | port_type = MLX4_PORT_TYPE_ETH; | |
1195 | } else if (!strcmp(buf, "auto\n")) { | |
1196 | port_type = MLX4_PORT_TYPE_AUTO; | |
1197 | } else { | |
1198 | mlx4_err(mdev, "%s is not supported port type\n", buf); | |
1199 | err = -EINVAL; | |
1200 | goto err_out; | |
1201 | } | |
1202 | ||
1203 | err = __set_port_type(info, port_type); | |
1204 | ||
0a984556 AV |
1205 | err_out: |
1206 | mutex_unlock(&set_port_type_mutex); | |
1207 | ||
7ff93f8b YP |
1208 | return err ? err : count; |
1209 | } | |
1210 | ||
096335b3 OG |
1211 | enum ibta_mtu { |
1212 | IB_MTU_256 = 1, | |
1213 | IB_MTU_512 = 2, | |
1214 | IB_MTU_1024 = 3, | |
1215 | IB_MTU_2048 = 4, | |
1216 | IB_MTU_4096 = 5 | |
1217 | }; | |
1218 | ||
1219 | static inline int int_to_ibta_mtu(int mtu) | |
1220 | { | |
1221 | switch (mtu) { | |
1222 | case 256: return IB_MTU_256; | |
1223 | case 512: return IB_MTU_512; | |
1224 | case 1024: return IB_MTU_1024; | |
1225 | case 2048: return IB_MTU_2048; | |
1226 | case 4096: return IB_MTU_4096; | |
1227 | default: return -1; | |
1228 | } | |
1229 | } | |
1230 | ||
1231 | static inline int ibta_mtu_to_int(enum ibta_mtu mtu) | |
1232 | { | |
1233 | switch (mtu) { | |
1234 | case IB_MTU_256: return 256; | |
1235 | case IB_MTU_512: return 512; | |
1236 | case IB_MTU_1024: return 1024; | |
1237 | case IB_MTU_2048: return 2048; | |
1238 | case IB_MTU_4096: return 4096; | |
1239 | default: return -1; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | static ssize_t show_port_ib_mtu(struct device *dev, | |
1244 | struct device_attribute *attr, | |
1245 | char *buf) | |
1246 | { | |
1247 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1248 | port_mtu_attr); | |
1249 | struct mlx4_dev *mdev = info->dev; | |
1250 | ||
1251 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) | |
1252 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1253 | ||
1254 | sprintf(buf, "%d\n", | |
1255 | ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port])); | |
1256 | return strlen(buf); | |
1257 | } | |
1258 | ||
1259 | static ssize_t set_port_ib_mtu(struct device *dev, | |
1260 | struct device_attribute *attr, | |
1261 | const char *buf, size_t count) | |
1262 | { | |
1263 | struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info, | |
1264 | port_mtu_attr); | |
1265 | struct mlx4_dev *mdev = info->dev; | |
1266 | struct mlx4_priv *priv = mlx4_priv(mdev); | |
1267 | int err, port, mtu, ibta_mtu = -1; | |
1268 | ||
1269 | if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) { | |
1270 | mlx4_warn(mdev, "port level mtu is only used for IB ports\n"); | |
1271 | return -EINVAL; | |
1272 | } | |
1273 | ||
618fad95 DB |
1274 | err = kstrtoint(buf, 0, &mtu); |
1275 | if (!err) | |
096335b3 OG |
1276 | ibta_mtu = int_to_ibta_mtu(mtu); |
1277 | ||
618fad95 | 1278 | if (err || ibta_mtu < 0) { |
096335b3 OG |
1279 | mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf); |
1280 | return -EINVAL; | |
1281 | } | |
1282 | ||
1283 | mdev->caps.port_ib_mtu[info->port] = ibta_mtu; | |
1284 | ||
1285 | mlx4_stop_sense(mdev); | |
1286 | mutex_lock(&priv->port_mutex); | |
1287 | mlx4_unregister_device(mdev); | |
1288 | for (port = 1; port <= mdev->caps.num_ports; port++) { | |
1289 | mlx4_CLOSE_PORT(mdev, port); | |
6634961c | 1290 | err = mlx4_SET_PORT(mdev, port, -1); |
096335b3 | 1291 | if (err) { |
1a91de28 JP |
1292 | mlx4_err(mdev, "Failed to set port %d, aborting\n", |
1293 | port); | |
096335b3 OG |
1294 | goto err_set_port; |
1295 | } | |
1296 | } | |
1297 | err = mlx4_register_device(mdev); | |
1298 | err_set_port: | |
1299 | mutex_unlock(&priv->port_mutex); | |
1300 | mlx4_start_sense(mdev); | |
1301 | return err ? err : count; | |
1302 | } | |
1303 | ||
e57968a1 MS |
1304 | /* bond for multi-function device */ |
1305 | #define MAX_MF_BOND_ALLOWED_SLAVES 63 | |
1306 | static int mlx4_mf_bond(struct mlx4_dev *dev) | |
1307 | { | |
1308 | int err = 0; | |
00ada910 | 1309 | int nvfs; |
e57968a1 MS |
1310 | struct mlx4_slaves_pport slaves_port1; |
1311 | struct mlx4_slaves_pport slaves_port2; | |
1312 | DECLARE_BITMAP(slaves_port_1_2, MLX4_MFUNC_MAX); | |
1313 | ||
1314 | slaves_port1 = mlx4_phys_to_slaves_pport(dev, 1); | |
1315 | slaves_port2 = mlx4_phys_to_slaves_pport(dev, 2); | |
1316 | bitmap_and(slaves_port_1_2, | |
1317 | slaves_port1.slaves, slaves_port2.slaves, | |
1318 | dev->persist->num_vfs + 1); | |
1319 | ||
1320 | /* only single port vfs are allowed */ | |
1321 | if (bitmap_weight(slaves_port_1_2, dev->persist->num_vfs + 1) > 1) { | |
1322 | mlx4_warn(dev, "HA mode unsupported for dual ported VFs\n"); | |
1323 | return -EINVAL; | |
1324 | } | |
1325 | ||
00ada910 MS |
1326 | /* number of virtual functions is number of total functions minus one |
1327 | * physical function for each port. | |
1328 | */ | |
1329 | nvfs = bitmap_weight(slaves_port1.slaves, dev->persist->num_vfs + 1) + | |
1330 | bitmap_weight(slaves_port2.slaves, dev->persist->num_vfs + 1) - 2; | |
1331 | ||
e57968a1 | 1332 | /* limit on maximum allowed VFs */ |
00ada910 MS |
1333 | if (nvfs > MAX_MF_BOND_ALLOWED_SLAVES) { |
1334 | mlx4_warn(dev, "HA mode is not supported for %d VFs (max %d are allowed)\n", | |
1335 | nvfs, MAX_MF_BOND_ALLOWED_SLAVES); | |
e57968a1 | 1336 | return -EINVAL; |
00ada910 | 1337 | } |
e57968a1 MS |
1338 | |
1339 | if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { | |
1340 | mlx4_warn(dev, "HA mode unsupported for NON DMFS steering\n"); | |
1341 | return -EINVAL; | |
1342 | } | |
1343 | ||
1344 | err = mlx4_bond_mac_table(dev); | |
1345 | if (err) | |
1346 | return err; | |
1347 | err = mlx4_bond_vlan_table(dev); | |
1348 | if (err) | |
1349 | goto err1; | |
1350 | err = mlx4_bond_fs_rules(dev); | |
1351 | if (err) | |
1352 | goto err2; | |
1353 | ||
1354 | return 0; | |
1355 | err2: | |
1356 | (void)mlx4_unbond_vlan_table(dev); | |
1357 | err1: | |
1358 | (void)mlx4_unbond_mac_table(dev); | |
1359 | return err; | |
1360 | } | |
1361 | ||
1362 | static int mlx4_mf_unbond(struct mlx4_dev *dev) | |
1363 | { | |
1364 | int ret, ret1; | |
1365 | ||
1366 | ret = mlx4_unbond_fs_rules(dev); | |
1367 | if (ret) | |
1368 | mlx4_warn(dev, "multifunction unbond for flow rules failedi (%d)\n", ret); | |
1369 | ret1 = mlx4_unbond_mac_table(dev); | |
1370 | if (ret1) { | |
1371 | mlx4_warn(dev, "multifunction unbond for MAC table failed (%d)\n", ret1); | |
1372 | ret = ret1; | |
1373 | } | |
1374 | ret1 = mlx4_unbond_vlan_table(dev); | |
1375 | if (ret1) { | |
1376 | mlx4_warn(dev, "multifunction unbond for VLAN table failed (%d)\n", ret1); | |
1377 | ret = ret1; | |
1378 | } | |
1379 | return ret; | |
1380 | } | |
1381 | ||
53f33ae2 MS |
1382 | int mlx4_bond(struct mlx4_dev *dev) |
1383 | { | |
1384 | int ret = 0; | |
1385 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1386 | ||
1387 | mutex_lock(&priv->bond_mutex); | |
1388 | ||
e57968a1 | 1389 | if (!mlx4_is_bonded(dev)) { |
53f33ae2 | 1390 | ret = mlx4_do_bond(dev, true); |
e57968a1 MS |
1391 | if (ret) |
1392 | mlx4_err(dev, "Failed to bond device: %d\n", ret); | |
1393 | if (!ret && mlx4_is_master(dev)) { | |
1394 | ret = mlx4_mf_bond(dev); | |
1395 | if (ret) { | |
1396 | mlx4_err(dev, "bond for multifunction failed\n"); | |
1397 | mlx4_do_bond(dev, false); | |
1398 | } | |
1399 | } | |
1400 | } | |
53f33ae2 MS |
1401 | |
1402 | mutex_unlock(&priv->bond_mutex); | |
e57968a1 | 1403 | if (!ret) |
53f33ae2 | 1404 | mlx4_dbg(dev, "Device is bonded\n"); |
e57968a1 | 1405 | |
53f33ae2 MS |
1406 | return ret; |
1407 | } | |
1408 | EXPORT_SYMBOL_GPL(mlx4_bond); | |
1409 | ||
1410 | int mlx4_unbond(struct mlx4_dev *dev) | |
1411 | { | |
1412 | int ret = 0; | |
1413 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1414 | ||
1415 | mutex_lock(&priv->bond_mutex); | |
1416 | ||
e57968a1 MS |
1417 | if (mlx4_is_bonded(dev)) { |
1418 | int ret2 = 0; | |
1419 | ||
53f33ae2 | 1420 | ret = mlx4_do_bond(dev, false); |
e57968a1 MS |
1421 | if (ret) |
1422 | mlx4_err(dev, "Failed to unbond device: %d\n", ret); | |
1423 | if (mlx4_is_master(dev)) | |
1424 | ret2 = mlx4_mf_unbond(dev); | |
1425 | if (ret2) { | |
1426 | mlx4_warn(dev, "Failed to unbond device for multifunction (%d)\n", ret2); | |
1427 | ret = ret2; | |
1428 | } | |
1429 | } | |
53f33ae2 MS |
1430 | |
1431 | mutex_unlock(&priv->bond_mutex); | |
e57968a1 | 1432 | if (!ret) |
53f33ae2 | 1433 | mlx4_dbg(dev, "Device is unbonded\n"); |
e57968a1 | 1434 | |
53f33ae2 MS |
1435 | return ret; |
1436 | } | |
1437 | EXPORT_SYMBOL_GPL(mlx4_unbond); | |
1438 | ||
1439 | ||
1440 | int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p) | |
1441 | { | |
1442 | u8 port1 = v2p->port1; | |
1443 | u8 port2 = v2p->port2; | |
1444 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1445 | int err; | |
1446 | ||
1447 | if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PORT_REMAP)) | |
423b3aec | 1448 | return -EOPNOTSUPP; |
53f33ae2 MS |
1449 | |
1450 | mutex_lock(&priv->bond_mutex); | |
1451 | ||
1452 | /* zero means keep current mapping for this port */ | |
1453 | if (port1 == 0) | |
1454 | port1 = priv->v2p.port1; | |
1455 | if (port2 == 0) | |
1456 | port2 = priv->v2p.port2; | |
1457 | ||
1458 | if ((port1 < 1) || (port1 > MLX4_MAX_PORTS) || | |
1459 | (port2 < 1) || (port2 > MLX4_MAX_PORTS) || | |
1460 | (port1 == 2 && port2 == 1)) { | |
1461 | /* besides boundary checks cross mapping makes | |
1462 | * no sense and therefore not allowed */ | |
1463 | err = -EINVAL; | |
1464 | } else if ((port1 == priv->v2p.port1) && | |
1465 | (port2 == priv->v2p.port2)) { | |
1466 | err = 0; | |
1467 | } else { | |
1468 | err = mlx4_virt2phy_port_map(dev, port1, port2); | |
1469 | if (!err) { | |
1470 | mlx4_dbg(dev, "port map changed: [%d][%d]\n", | |
1471 | port1, port2); | |
1472 | priv->v2p.port1 = port1; | |
1473 | priv->v2p.port2 = port2; | |
1474 | } else { | |
1475 | mlx4_err(dev, "Failed to change port mape: %d\n", err); | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | mutex_unlock(&priv->bond_mutex); | |
1480 | return err; | |
1481 | } | |
1482 | EXPORT_SYMBOL_GPL(mlx4_port_map_set); | |
1483 | ||
e8f9b2ed | 1484 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
1485 | { |
1486 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1487 | int err; | |
1488 | ||
1489 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 1490 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1491 | if (!priv->fw.fw_icm) { |
1a91de28 | 1492 | mlx4_err(dev, "Couldn't allocate FW area, aborting\n"); |
225c7b1f RD |
1493 | return -ENOMEM; |
1494 | } | |
1495 | ||
1496 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
1497 | if (err) { | |
1a91de28 | 1498 | mlx4_err(dev, "MAP_FA command failed, aborting\n"); |
225c7b1f RD |
1499 | goto err_free; |
1500 | } | |
1501 | ||
1502 | err = mlx4_RUN_FW(dev); | |
1503 | if (err) { | |
1a91de28 | 1504 | mlx4_err(dev, "RUN_FW command failed, aborting\n"); |
225c7b1f RD |
1505 | goto err_unmap_fa; |
1506 | } | |
1507 | ||
1508 | return 0; | |
1509 | ||
1510 | err_unmap_fa: | |
1511 | mlx4_UNMAP_FA(dev); | |
1512 | ||
1513 | err_free: | |
5b0bf5e2 | 1514 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
1515 | return err; |
1516 | } | |
1517 | ||
e8f9b2ed RD |
1518 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
1519 | int cmpt_entry_sz) | |
225c7b1f RD |
1520 | { |
1521 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1522 | int err; | |
ab9c17a0 | 1523 | int num_eqs; |
225c7b1f RD |
1524 | |
1525 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
1526 | cmpt_base + | |
1527 | ((u64) (MLX4_CMPT_TYPE_QP * | |
1528 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1529 | cmpt_entry_sz, dev->caps.num_qps, | |
93fc9e1b YP |
1530 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1531 | 0, 0); | |
225c7b1f RD |
1532 | if (err) |
1533 | goto err; | |
1534 | ||
1535 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
1536 | cmpt_base + | |
1537 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
1538 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1539 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 1540 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
1541 | if (err) |
1542 | goto err_qp; | |
1543 | ||
1544 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
1545 | cmpt_base + | |
1546 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
1547 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
1548 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 1549 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
1550 | if (err) |
1551 | goto err_srq; | |
1552 | ||
7ae0e400 | 1553 | num_eqs = dev->phys_caps.num_phys_eqs; |
225c7b1f RD |
1554 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
1555 | cmpt_base + | |
1556 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
1557 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
ab9c17a0 | 1558 | cmpt_entry_sz, num_eqs, num_eqs, 0, 0); |
225c7b1f RD |
1559 | if (err) |
1560 | goto err_cq; | |
1561 | ||
1562 | return 0; | |
1563 | ||
1564 | err_cq: | |
1565 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1566 | ||
1567 | err_srq: | |
1568 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1569 | ||
1570 | err_qp: | |
1571 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1572 | ||
1573 | err: | |
1574 | return err; | |
1575 | } | |
1576 | ||
3d73c288 RD |
1577 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
1578 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
1579 | { |
1580 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1581 | u64 aux_pages; | |
ab9c17a0 | 1582 | int num_eqs; |
225c7b1f RD |
1583 | int err; |
1584 | ||
1585 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
1586 | if (err) { | |
1a91de28 | 1587 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting\n"); |
225c7b1f RD |
1588 | return err; |
1589 | } | |
1590 | ||
1a91de28 | 1591 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory\n", |
225c7b1f RD |
1592 | (unsigned long long) icm_size >> 10, |
1593 | (unsigned long long) aux_pages << 2); | |
1594 | ||
1595 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 1596 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f | 1597 | if (!priv->fw.aux_icm) { |
1a91de28 | 1598 | mlx4_err(dev, "Couldn't allocate aux memory, aborting\n"); |
225c7b1f RD |
1599 | return -ENOMEM; |
1600 | } | |
1601 | ||
1602 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
1603 | if (err) { | |
1a91de28 | 1604 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting\n"); |
225c7b1f RD |
1605 | goto err_free_aux; |
1606 | } | |
1607 | ||
1608 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
1609 | if (err) { | |
1a91de28 | 1610 | mlx4_err(dev, "Failed to map cMPT context memory, aborting\n"); |
225c7b1f RD |
1611 | goto err_unmap_aux; |
1612 | } | |
1613 | ||
ab9c17a0 | 1614 | |
7ae0e400 | 1615 | num_eqs = dev->phys_caps.num_phys_eqs; |
fa0681d2 RD |
1616 | err = mlx4_init_icm_table(dev, &priv->eq_table.table, |
1617 | init_hca->eqc_base, dev_cap->eqc_entry_sz, | |
ab9c17a0 | 1618 | num_eqs, num_eqs, 0, 0); |
225c7b1f | 1619 | if (err) { |
1a91de28 | 1620 | mlx4_err(dev, "Failed to map EQ context memory, aborting\n"); |
225c7b1f RD |
1621 | goto err_unmap_cmpt; |
1622 | } | |
1623 | ||
d7bb58fb JM |
1624 | /* |
1625 | * Reserved MTT entries must be aligned up to a cacheline | |
1626 | * boundary, since the FW will write to them, while the driver | |
1627 | * writes to all other MTT entries. (The variable | |
1628 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
1629 | * size, not the raw entry size) | |
1630 | */ | |
1631 | dev->caps.reserved_mtts = | |
1632 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
1633 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
1634 | ||
225c7b1f RD |
1635 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
1636 | init_hca->mtt_base, | |
1637 | dev->caps.mtt_entry_sz, | |
2b8fb286 | 1638 | dev->caps.num_mtts, |
5b0bf5e2 | 1639 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f | 1640 | if (err) { |
1a91de28 | 1641 | mlx4_err(dev, "Failed to map MTT context memory, aborting\n"); |
225c7b1f RD |
1642 | goto err_unmap_eq; |
1643 | } | |
1644 | ||
1645 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
1646 | init_hca->dmpt_base, | |
1647 | dev_cap->dmpt_entry_sz, | |
1648 | dev->caps.num_mpts, | |
5b0bf5e2 | 1649 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f | 1650 | if (err) { |
1a91de28 | 1651 | mlx4_err(dev, "Failed to map dMPT context memory, aborting\n"); |
225c7b1f RD |
1652 | goto err_unmap_mtt; |
1653 | } | |
1654 | ||
1655 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
1656 | init_hca->qpc_base, | |
1657 | dev_cap->qpc_entry_sz, | |
1658 | dev->caps.num_qps, | |
93fc9e1b YP |
1659 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1660 | 0, 0); | |
225c7b1f | 1661 | if (err) { |
1a91de28 | 1662 | mlx4_err(dev, "Failed to map QP context memory, aborting\n"); |
225c7b1f RD |
1663 | goto err_unmap_dmpt; |
1664 | } | |
1665 | ||
1666 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
1667 | init_hca->auxc_base, | |
1668 | dev_cap->aux_entry_sz, | |
1669 | dev->caps.num_qps, | |
93fc9e1b YP |
1670 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1671 | 0, 0); | |
225c7b1f | 1672 | if (err) { |
1a91de28 | 1673 | mlx4_err(dev, "Failed to map AUXC context memory, aborting\n"); |
225c7b1f RD |
1674 | goto err_unmap_qp; |
1675 | } | |
1676 | ||
1677 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
1678 | init_hca->altc_base, | |
1679 | dev_cap->altc_entry_sz, | |
1680 | dev->caps.num_qps, | |
93fc9e1b YP |
1681 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1682 | 0, 0); | |
225c7b1f | 1683 | if (err) { |
1a91de28 | 1684 | mlx4_err(dev, "Failed to map ALTC context memory, aborting\n"); |
225c7b1f RD |
1685 | goto err_unmap_auxc; |
1686 | } | |
1687 | ||
1688 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
1689 | init_hca->rdmarc_base, | |
1690 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
1691 | dev->caps.num_qps, | |
93fc9e1b YP |
1692 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW], |
1693 | 0, 0); | |
225c7b1f RD |
1694 | if (err) { |
1695 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
1696 | goto err_unmap_altc; | |
1697 | } | |
1698 | ||
1699 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
1700 | init_hca->cqc_base, | |
1701 | dev_cap->cqc_entry_sz, | |
1702 | dev->caps.num_cqs, | |
5b0bf5e2 | 1703 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f | 1704 | if (err) { |
1a91de28 | 1705 | mlx4_err(dev, "Failed to map CQ context memory, aborting\n"); |
225c7b1f RD |
1706 | goto err_unmap_rdmarc; |
1707 | } | |
1708 | ||
1709 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
1710 | init_hca->srqc_base, | |
1711 | dev_cap->srq_entry_sz, | |
1712 | dev->caps.num_srqs, | |
5b0bf5e2 | 1713 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f | 1714 | if (err) { |
1a91de28 | 1715 | mlx4_err(dev, "Failed to map SRQ context memory, aborting\n"); |
225c7b1f RD |
1716 | goto err_unmap_cq; |
1717 | } | |
1718 | ||
1719 | /* | |
0ff1fb65 HHZ |
1720 | * For flow steering device managed mode it is required to use |
1721 | * mlx4_init_icm_table. For B0 steering mode it's not strictly | |
1722 | * required, but for simplicity just map the whole multicast | |
1723 | * group table now. The table isn't very big and it's a lot | |
1724 | * easier than trying to track ref counts. | |
225c7b1f RD |
1725 | */ |
1726 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
0ec2c0f8 EE |
1727 | init_hca->mc_base, |
1728 | mlx4_get_mgm_entry_size(dev), | |
225c7b1f RD |
1729 | dev->caps.num_mgms + dev->caps.num_amgms, |
1730 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 1731 | 0, 0); |
225c7b1f | 1732 | if (err) { |
1a91de28 | 1733 | mlx4_err(dev, "Failed to map MCG context memory, aborting\n"); |
225c7b1f RD |
1734 | goto err_unmap_srq; |
1735 | } | |
1736 | ||
1737 | return 0; | |
1738 | ||
1739 | err_unmap_srq: | |
1740 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1741 | ||
1742 | err_unmap_cq: | |
1743 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1744 | ||
1745 | err_unmap_rdmarc: | |
1746 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1747 | ||
1748 | err_unmap_altc: | |
1749 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1750 | ||
1751 | err_unmap_auxc: | |
1752 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1753 | ||
1754 | err_unmap_qp: | |
1755 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1756 | ||
1757 | err_unmap_dmpt: | |
1758 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1759 | ||
1760 | err_unmap_mtt: | |
1761 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
1762 | ||
1763 | err_unmap_eq: | |
fa0681d2 | 1764 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1765 | |
1766 | err_unmap_cmpt: | |
1767 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
1768 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1769 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1770 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
1771 | ||
1772 | err_unmap_aux: | |
1773 | mlx4_UNMAP_ICM_AUX(dev); | |
1774 | ||
1775 | err_free_aux: | |
5b0bf5e2 | 1776 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1777 | |
1778 | return err; | |
1779 | } | |
1780 | ||
1781 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
1782 | { | |
1783 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1784 | ||
1785 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
1786 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
1787 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
1788 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
1789 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
1790 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
1791 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
1792 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
1793 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
fa0681d2 | 1794 | mlx4_cleanup_icm_table(dev, &priv->eq_table.table); |
225c7b1f RD |
1795 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
1796 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
1797 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
1798 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
225c7b1f RD |
1799 | |
1800 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 1801 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
1802 | } |
1803 | ||
ab9c17a0 JM |
1804 | static void mlx4_slave_exit(struct mlx4_dev *dev) |
1805 | { | |
1806 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1807 | ||
f3d4c89e | 1808 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
0cd93027 YH |
1809 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, |
1810 | MLX4_COMM_TIME)) | |
1a91de28 | 1811 | mlx4_warn(dev, "Failed to close slave function\n"); |
f3d4c89e | 1812 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 JM |
1813 | } |
1814 | ||
c1b43dca EC |
1815 | static int map_bf_area(struct mlx4_dev *dev) |
1816 | { | |
1817 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1818 | resource_size_t bf_start; | |
1819 | resource_size_t bf_len; | |
1820 | int err = 0; | |
1821 | ||
3d747473 JM |
1822 | if (!dev->caps.bf_reg_size) |
1823 | return -ENXIO; | |
1824 | ||
872bf2fb | 1825 | bf_start = pci_resource_start(dev->persist->pdev, 2) + |
ab9c17a0 | 1826 | (dev->caps.num_uars << PAGE_SHIFT); |
872bf2fb | 1827 | bf_len = pci_resource_len(dev->persist->pdev, 2) - |
ab9c17a0 | 1828 | (dev->caps.num_uars << PAGE_SHIFT); |
c1b43dca EC |
1829 | priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len); |
1830 | if (!priv->bf_mapping) | |
1831 | err = -ENOMEM; | |
1832 | ||
1833 | return err; | |
1834 | } | |
1835 | ||
1836 | static void unmap_bf_area(struct mlx4_dev *dev) | |
1837 | { | |
1838 | if (mlx4_priv(dev)->bf_mapping) | |
1839 | io_mapping_free(mlx4_priv(dev)->bf_mapping); | |
1840 | } | |
1841 | ||
a5a1d1c2 | 1842 | u64 mlx4_read_clock(struct mlx4_dev *dev) |
ec693d47 AV |
1843 | { |
1844 | u32 clockhi, clocklo, clockhi1; | |
a5a1d1c2 | 1845 | u64 cycles; |
ec693d47 AV |
1846 | int i; |
1847 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1848 | ||
1849 | for (i = 0; i < 10; i++) { | |
1850 | clockhi = swab32(readl(priv->clock_mapping)); | |
1851 | clocklo = swab32(readl(priv->clock_mapping + 4)); | |
1852 | clockhi1 = swab32(readl(priv->clock_mapping)); | |
1853 | if (clockhi == clockhi1) | |
1854 | break; | |
1855 | } | |
1856 | ||
1857 | cycles = (u64) clockhi << 32 | (u64) clocklo; | |
1858 | ||
1859 | return cycles; | |
1860 | } | |
1861 | EXPORT_SYMBOL_GPL(mlx4_read_clock); | |
1862 | ||
1863 | ||
ddd8a6c1 EE |
1864 | static int map_internal_clock(struct mlx4_dev *dev) |
1865 | { | |
1866 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1867 | ||
1868 | priv->clock_mapping = | |
872bf2fb YH |
1869 | ioremap(pci_resource_start(dev->persist->pdev, |
1870 | priv->fw.clock_bar) + | |
ddd8a6c1 EE |
1871 | priv->fw.clock_offset, MLX4_CLOCK_SIZE); |
1872 | ||
1873 | if (!priv->clock_mapping) | |
1874 | return -ENOMEM; | |
1875 | ||
1876 | return 0; | |
1877 | } | |
1878 | ||
52033cfb MB |
1879 | int mlx4_get_internal_clock_params(struct mlx4_dev *dev, |
1880 | struct mlx4_clock_params *params) | |
1881 | { | |
1882 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1883 | ||
1884 | if (mlx4_is_slave(dev)) | |
423b3aec | 1885 | return -EOPNOTSUPP; |
52033cfb MB |
1886 | |
1887 | if (!params) | |
1888 | return -EINVAL; | |
1889 | ||
1890 | params->bar = priv->fw.clock_bar; | |
1891 | params->offset = priv->fw.clock_offset; | |
1892 | params->size = MLX4_CLOCK_SIZE; | |
1893 | ||
1894 | return 0; | |
1895 | } | |
1896 | EXPORT_SYMBOL_GPL(mlx4_get_internal_clock_params); | |
1897 | ||
ddd8a6c1 EE |
1898 | static void unmap_internal_clock(struct mlx4_dev *dev) |
1899 | { | |
1900 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1901 | ||
1902 | if (priv->clock_mapping) | |
1903 | iounmap(priv->clock_mapping); | |
1904 | } | |
1905 | ||
225c7b1f RD |
1906 | static void mlx4_close_hca(struct mlx4_dev *dev) |
1907 | { | |
ddd8a6c1 | 1908 | unmap_internal_clock(dev); |
c1b43dca | 1909 | unmap_bf_area(dev); |
ab9c17a0 JM |
1910 | if (mlx4_is_slave(dev)) |
1911 | mlx4_slave_exit(dev); | |
1912 | else { | |
1913 | mlx4_CLOSE_HCA(dev, 0); | |
1914 | mlx4_free_icms(dev); | |
a0eacca9 MB |
1915 | } |
1916 | } | |
1917 | ||
1918 | static void mlx4_close_fw(struct mlx4_dev *dev) | |
1919 | { | |
1920 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
1921 | mlx4_UNMAP_FA(dev); |
1922 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); | |
1923 | } | |
1924 | } | |
1925 | ||
55ad3592 YH |
1926 | static int mlx4_comm_check_offline(struct mlx4_dev *dev) |
1927 | { | |
1928 | #define COMM_CHAN_OFFLINE_OFFSET 0x09 | |
1929 | ||
1930 | u32 comm_flags; | |
1931 | u32 offline_bit; | |
1932 | unsigned long end; | |
1933 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1934 | ||
1935 | end = msecs_to_jiffies(MLX4_COMM_OFFLINE_TIME_OUT) + jiffies; | |
1936 | while (time_before(jiffies, end)) { | |
1937 | comm_flags = swab32(readl((__iomem char *)priv->mfunc.comm + | |
1938 | MLX4_COMM_CHAN_FLAGS)); | |
1939 | offline_bit = (comm_flags & | |
1940 | (u32)(1 << COMM_CHAN_OFFLINE_OFFSET)); | |
1941 | if (!offline_bit) | |
1942 | return 0; | |
4cbe4dac JM |
1943 | |
1944 | /* If device removal has been requested, | |
1945 | * do not continue retrying. | |
1946 | */ | |
1947 | if (dev->persist->interface_state & | |
1948 | MLX4_INTERFACE_STATE_NOWAIT) | |
1949 | break; | |
1950 | ||
55ad3592 YH |
1951 | /* There are cases as part of AER/Reset flow that PF needs |
1952 | * around 100 msec to load. We therefore sleep for 100 msec | |
1953 | * to allow other tasks to make use of that CPU during this | |
1954 | * time interval. | |
1955 | */ | |
1956 | msleep(100); | |
1957 | } | |
1958 | mlx4_err(dev, "Communication channel is offline.\n"); | |
1959 | return -EIO; | |
1960 | } | |
1961 | ||
1962 | static void mlx4_reset_vf_support(struct mlx4_dev *dev) | |
1963 | { | |
1964 | #define COMM_CHAN_RST_OFFSET 0x1e | |
1965 | ||
1966 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1967 | u32 comm_rst; | |
1968 | u32 comm_caps; | |
1969 | ||
1970 | comm_caps = swab32(readl((__iomem char *)priv->mfunc.comm + | |
1971 | MLX4_COMM_CHAN_CAPS)); | |
1972 | comm_rst = (comm_caps & (u32)(1 << COMM_CHAN_RST_OFFSET)); | |
1973 | ||
1974 | if (comm_rst) | |
1975 | dev->caps.vf_caps |= MLX4_VF_CAP_FLAG_RESET; | |
1976 | } | |
1977 | ||
ab9c17a0 JM |
1978 | static int mlx4_init_slave(struct mlx4_dev *dev) |
1979 | { | |
1980 | struct mlx4_priv *priv = mlx4_priv(dev); | |
1981 | u64 dma = (u64) priv->mfunc.vhcr_dma; | |
ab9c17a0 JM |
1982 | int ret_from_reset = 0; |
1983 | u32 slave_read; | |
1984 | u32 cmd_channel_ver; | |
1985 | ||
97989356 | 1986 | if (atomic_read(&pf_loading)) { |
1a91de28 | 1987 | mlx4_warn(dev, "PF is not ready - Deferring probe\n"); |
97989356 AV |
1988 | return -EPROBE_DEFER; |
1989 | } | |
1990 | ||
f3d4c89e | 1991 | mutex_lock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 1992 | priv->cmd.max_cmds = 1; |
55ad3592 YH |
1993 | if (mlx4_comm_check_offline(dev)) { |
1994 | mlx4_err(dev, "PF is not responsive, skipping initialization\n"); | |
1995 | goto err_offline; | |
1996 | } | |
1997 | ||
1998 | mlx4_reset_vf_support(dev); | |
ab9c17a0 JM |
1999 | mlx4_warn(dev, "Sending reset\n"); |
2000 | ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, | |
0cd93027 | 2001 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME); |
ab9c17a0 JM |
2002 | /* if we are in the middle of flr the slave will try |
2003 | * NUM_OF_RESET_RETRIES times before leaving.*/ | |
2004 | if (ret_from_reset) { | |
2005 | if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) { | |
1a91de28 | 2006 | mlx4_warn(dev, "slave is currently in the middle of FLR - Deferring probe\n"); |
5efe5355 JM |
2007 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
2008 | return -EPROBE_DEFER; | |
ab9c17a0 JM |
2009 | } else |
2010 | goto err; | |
2011 | } | |
2012 | ||
2013 | /* check the driver version - the slave I/F revision | |
2014 | * must match the master's */ | |
2015 | slave_read = swab32(readl(&priv->mfunc.comm->slave_read)); | |
2016 | cmd_channel_ver = mlx4_comm_get_version(); | |
2017 | ||
2018 | if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) != | |
2019 | MLX4_COMM_GET_IF_REV(slave_read)) { | |
1a91de28 | 2020 | mlx4_err(dev, "slave driver version is not supported by the master\n"); |
ab9c17a0 JM |
2021 | goto err; |
2022 | } | |
2023 | ||
2024 | mlx4_warn(dev, "Sending vhcr0\n"); | |
2025 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48, | |
0cd93027 | 2026 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 JM |
2027 | goto err; |
2028 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32, | |
0cd93027 | 2029 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 JM |
2030 | goto err; |
2031 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16, | |
0cd93027 | 2032 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) |
ab9c17a0 | 2033 | goto err; |
0cd93027 YH |
2034 | if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, |
2035 | MLX4_COMM_CMD_NA_OP, MLX4_COMM_TIME)) | |
ab9c17a0 | 2036 | goto err; |
f3d4c89e RD |
2037 | |
2038 | mutex_unlock(&priv->cmd.slave_cmd_mutex); | |
ab9c17a0 JM |
2039 | return 0; |
2040 | ||
2041 | err: | |
0cd93027 | 2042 | mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_CMD_NA_OP, 0); |
55ad3592 | 2043 | err_offline: |
f3d4c89e | 2044 | mutex_unlock(&priv->cmd.slave_cmd_mutex); |
ab9c17a0 | 2045 | return -EIO; |
225c7b1f RD |
2046 | } |
2047 | ||
6634961c JM |
2048 | static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev) |
2049 | { | |
2050 | int i; | |
2051 | ||
2052 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
b6ffaeff JM |
2053 | if (dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) |
2054 | dev->caps.gid_table_len[i] = | |
449fc488 | 2055 | mlx4_get_slave_num_gids(dev, 0, i); |
b6ffaeff JM |
2056 | else |
2057 | dev->caps.gid_table_len[i] = 1; | |
6634961c JM |
2058 | dev->caps.pkey_table_len[i] = |
2059 | dev->phys_caps.pkey_phys_table_len[i] - 1; | |
2060 | } | |
2061 | } | |
2062 | ||
3c439b55 JM |
2063 | static int choose_log_fs_mgm_entry_size(int qp_per_entry) |
2064 | { | |
2065 | int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; | |
2066 | ||
2067 | for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE; | |
2068 | i++) { | |
2069 | if (qp_per_entry <= 4 * ((1 << i) / 16 - 2)) | |
2070 | break; | |
2071 | } | |
2072 | ||
2073 | return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1; | |
2074 | } | |
2075 | ||
7d077cd3 MB |
2076 | static const char *dmfs_high_rate_steering_mode_str(int dmfs_high_steer_mode) |
2077 | { | |
2078 | switch (dmfs_high_steer_mode) { | |
2079 | case MLX4_STEERING_DMFS_A0_DEFAULT: | |
2080 | return "default performance"; | |
2081 | ||
2082 | case MLX4_STEERING_DMFS_A0_DYNAMIC: | |
2083 | return "dynamic hybrid mode"; | |
2084 | ||
2085 | case MLX4_STEERING_DMFS_A0_STATIC: | |
2086 | return "performance optimized for limited rule configuration (static)"; | |
2087 | ||
2088 | case MLX4_STEERING_DMFS_A0_DISABLE: | |
2089 | return "disabled performance optimized steering"; | |
2090 | ||
2091 | case MLX4_STEERING_DMFS_A0_NOT_SUPPORTED: | |
2092 | return "performance optimized steering not supported"; | |
2093 | ||
2094 | default: | |
2095 | return "Unrecognized mode"; | |
2096 | } | |
2097 | } | |
2098 | ||
2099 | #define MLX4_DMFS_A0_STEERING (1UL << 2) | |
2100 | ||
7b8157be JM |
2101 | static void choose_steering_mode(struct mlx4_dev *dev, |
2102 | struct mlx4_dev_cap *dev_cap) | |
2103 | { | |
7d077cd3 MB |
2104 | if (mlx4_log_num_mgm_entry_size <= 0) { |
2105 | if ((-mlx4_log_num_mgm_entry_size) & MLX4_DMFS_A0_STEERING) { | |
2106 | if (dev->caps.dmfs_high_steer_mode == | |
2107 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
2108 | mlx4_err(dev, "DMFS high rate mode not supported\n"); | |
2109 | else | |
2110 | dev->caps.dmfs_high_steer_mode = | |
2111 | MLX4_STEERING_DMFS_A0_STATIC; | |
2112 | } | |
2113 | } | |
2114 | ||
2115 | if (mlx4_log_num_mgm_entry_size <= 0 && | |
3c439b55 | 2116 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN && |
7b8157be | 2117 | (!mlx4_is_mfunc(dev) || |
872bf2fb YH |
2118 | (dev_cap->fs_max_num_qp_per_entry >= |
2119 | (dev->persist->num_vfs + 1))) && | |
3c439b55 JM |
2120 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >= |
2121 | MLX4_MIN_MGM_LOG_ENTRY_SIZE) { | |
2122 | dev->oper_log_mgm_entry_size = | |
2123 | choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry); | |
7b8157be JM |
2124 | dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; |
2125 | dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry; | |
2126 | dev->caps.fs_log_max_ucast_qp_range_size = | |
2127 | dev_cap->fs_log_max_ucast_qp_range_size; | |
2128 | } else { | |
7d077cd3 MB |
2129 | if (dev->caps.dmfs_high_steer_mode != |
2130 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
2131 | dev->caps.dmfs_high_steer_mode = MLX4_STEERING_DMFS_A0_DISABLE; | |
7b8157be JM |
2132 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER && |
2133 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
2134 | dev->caps.steering_mode = MLX4_STEERING_MODE_B0; | |
2135 | else { | |
2136 | dev->caps.steering_mode = MLX4_STEERING_MODE_A0; | |
2137 | ||
2138 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER || | |
2139 | dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) | |
1a91de28 | 2140 | 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 | 2141 | } |
3c439b55 JM |
2142 | dev->oper_log_mgm_entry_size = |
2143 | mlx4_log_num_mgm_entry_size > 0 ? | |
2144 | mlx4_log_num_mgm_entry_size : | |
2145 | MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE; | |
7b8157be JM |
2146 | dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev); |
2147 | } | |
1a91de28 | 2148 | mlx4_dbg(dev, "Steering mode is: %s, oper_log_mgm_entry_size = %d, modparam log_num_mgm_entry_size = %d\n", |
3c439b55 JM |
2149 | mlx4_steering_mode_str(dev->caps.steering_mode), |
2150 | dev->oper_log_mgm_entry_size, | |
2151 | mlx4_log_num_mgm_entry_size); | |
7b8157be JM |
2152 | } |
2153 | ||
7ffdf726 OG |
2154 | static void choose_tunnel_offload_mode(struct mlx4_dev *dev, |
2155 | struct mlx4_dev_cap *dev_cap) | |
2156 | { | |
2157 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED && | |
5eff6dad | 2158 | dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) |
7ffdf726 OG |
2159 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN; |
2160 | else | |
2161 | dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE; | |
2162 | ||
2163 | mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode | |
2164 | == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none"); | |
2165 | } | |
2166 | ||
7d077cd3 MB |
2167 | static int mlx4_validate_optimized_steering(struct mlx4_dev *dev) |
2168 | { | |
2169 | int i; | |
2170 | struct mlx4_port_cap port_cap; | |
2171 | ||
2172 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) | |
2173 | return -EINVAL; | |
2174 | ||
2175 | for (i = 1; i <= dev->caps.num_ports; i++) { | |
2176 | if (mlx4_dev_port(dev, i, &port_cap)) { | |
2177 | mlx4_err(dev, | |
2178 | "QUERY_DEV_CAP command failed, can't veify DMFS high rate steering.\n"); | |
2179 | } else if ((dev->caps.dmfs_high_steer_mode != | |
2180 | MLX4_STEERING_DMFS_A0_DEFAULT) && | |
2181 | (port_cap.dmfs_optimized_state == | |
2182 | !!(dev->caps.dmfs_high_steer_mode == | |
2183 | MLX4_STEERING_DMFS_A0_DISABLE))) { | |
2184 | mlx4_err(dev, | |
2185 | "DMFS high rate steer mode differ, driver requested %s but %s in FW.\n", | |
2186 | dmfs_high_rate_steering_mode_str( | |
2187 | dev->caps.dmfs_high_steer_mode), | |
2188 | (port_cap.dmfs_optimized_state ? | |
2189 | "enabled" : "disabled")); | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | return 0; | |
2194 | } | |
2195 | ||
a0eacca9 | 2196 | static int mlx4_init_fw(struct mlx4_dev *dev) |
225c7b1f | 2197 | { |
2d928651 | 2198 | struct mlx4_mod_stat_cfg mlx4_cfg; |
a0eacca9 | 2199 | int err = 0; |
225c7b1f | 2200 | |
ab9c17a0 JM |
2201 | if (!mlx4_is_slave(dev)) { |
2202 | err = mlx4_QUERY_FW(dev); | |
2203 | if (err) { | |
2204 | if (err == -EACCES) | |
1a91de28 | 2205 | mlx4_info(dev, "non-primary physical function, skipping\n"); |
ab9c17a0 | 2206 | else |
1a91de28 | 2207 | mlx4_err(dev, "QUERY_FW command failed, aborting\n"); |
bef772eb | 2208 | return err; |
ab9c17a0 | 2209 | } |
225c7b1f | 2210 | |
ab9c17a0 JM |
2211 | err = mlx4_load_fw(dev); |
2212 | if (err) { | |
1a91de28 | 2213 | mlx4_err(dev, "Failed to start FW, aborting\n"); |
bef772eb | 2214 | return err; |
ab9c17a0 | 2215 | } |
225c7b1f | 2216 | |
ab9c17a0 JM |
2217 | mlx4_cfg.log_pg_sz_m = 1; |
2218 | mlx4_cfg.log_pg_sz = 0; | |
2219 | err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg); | |
2220 | if (err) | |
2221 | mlx4_warn(dev, "Failed to override log_pg_sz parameter\n"); | |
a0eacca9 | 2222 | } |
2d928651 | 2223 | |
a0eacca9 MB |
2224 | return err; |
2225 | } | |
2226 | ||
2227 | static int mlx4_init_hca(struct mlx4_dev *dev) | |
2228 | { | |
2229 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2230 | struct mlx4_adapter adapter; | |
2231 | struct mlx4_dev_cap dev_cap; | |
2232 | struct mlx4_profile profile; | |
2233 | struct mlx4_init_hca_param init_hca; | |
2234 | u64 icm_size; | |
2235 | struct mlx4_config_dev_params params; | |
2236 | int err; | |
2237 | ||
2238 | if (!mlx4_is_slave(dev)) { | |
ab9c17a0 JM |
2239 | err = mlx4_dev_cap(dev, &dev_cap); |
2240 | if (err) { | |
1a91de28 | 2241 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n"); |
d0d01250 | 2242 | return err; |
ab9c17a0 | 2243 | } |
225c7b1f | 2244 | |
7b8157be | 2245 | choose_steering_mode(dev, &dev_cap); |
7ffdf726 | 2246 | choose_tunnel_offload_mode(dev, &dev_cap); |
7b8157be | 2247 | |
7d077cd3 MB |
2248 | if (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC && |
2249 | mlx4_is_master(dev)) | |
2250 | dev->caps.function_caps |= MLX4_FUNC_CAP_DMFS_A0_STATIC; | |
2251 | ||
8e1a28e8 HHZ |
2252 | err = mlx4_get_phys_port_id(dev); |
2253 | if (err) | |
2254 | mlx4_err(dev, "Fail to get physical port id\n"); | |
2255 | ||
6634961c JM |
2256 | if (mlx4_is_master(dev)) |
2257 | mlx4_parav_master_pf_caps(dev); | |
2258 | ||
2599d858 AV |
2259 | if (mlx4_low_memory_profile()) { |
2260 | mlx4_info(dev, "Running from within kdump kernel. Using low memory profile\n"); | |
2261 | profile = low_mem_profile; | |
2262 | } else { | |
2263 | profile = default_profile; | |
2264 | } | |
0ff1fb65 HHZ |
2265 | if (dev->caps.steering_mode == |
2266 | MLX4_STEERING_MODE_DEVICE_MANAGED) | |
2267 | profile.num_mcg = MLX4_FS_NUM_MCG; | |
225c7b1f | 2268 | |
ab9c17a0 JM |
2269 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, |
2270 | &init_hca); | |
2271 | if ((long long) icm_size < 0) { | |
2272 | err = icm_size; | |
d0d01250 | 2273 | return err; |
ab9c17a0 | 2274 | } |
225c7b1f | 2275 | |
a5bbe892 EC |
2276 | dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1; |
2277 | ||
76e39ccf EC |
2278 | if (enable_4k_uar) { |
2279 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars) + | |
2280 | PAGE_SHIFT - DEFAULT_UAR_PAGE_SHIFT; | |
2281 | init_hca.uar_page_sz = DEFAULT_UAR_PAGE_SHIFT - 12; | |
2282 | } else { | |
2283 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); | |
2284 | init_hca.uar_page_sz = PAGE_SHIFT - 12; | |
2285 | } | |
85743f1e | 2286 | |
e448834e SM |
2287 | init_hca.mw_enabled = 0; |
2288 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW || | |
2289 | dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) | |
2290 | init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE; | |
c1b43dca | 2291 | |
ab9c17a0 JM |
2292 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
2293 | if (err) | |
d0d01250 | 2294 | return err; |
225c7b1f | 2295 | |
ab9c17a0 JM |
2296 | err = mlx4_INIT_HCA(dev, &init_hca); |
2297 | if (err) { | |
1a91de28 | 2298 | mlx4_err(dev, "INIT_HCA command failed, aborting\n"); |
ab9c17a0 JM |
2299 | goto err_free_icm; |
2300 | } | |
7ae0e400 MB |
2301 | |
2302 | if (dev_cap.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) { | |
2303 | err = mlx4_query_func(dev, &dev_cap); | |
2304 | if (err < 0) { | |
2305 | mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n"); | |
d0d01250 | 2306 | goto err_close; |
7ae0e400 MB |
2307 | } else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) { |
2308 | dev->caps.num_eqs = dev_cap.max_eqs; | |
2309 | dev->caps.reserved_eqs = dev_cap.reserved_eqs; | |
2310 | dev->caps.reserved_uars = dev_cap.reserved_uars; | |
2311 | } | |
2312 | } | |
2313 | ||
ddd8a6c1 EE |
2314 | /* |
2315 | * If TS is supported by FW | |
2316 | * read HCA frequency by QUERY_HCA command | |
2317 | */ | |
2318 | if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) { | |
2319 | memset(&init_hca, 0, sizeof(init_hca)); | |
2320 | err = mlx4_QUERY_HCA(dev, &init_hca); | |
2321 | if (err) { | |
1a91de28 | 2322 | mlx4_err(dev, "QUERY_HCA command failed, disable timestamp\n"); |
ddd8a6c1 EE |
2323 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; |
2324 | } else { | |
2325 | dev->caps.hca_core_clock = | |
2326 | init_hca.hca_core_clock; | |
2327 | } | |
2328 | ||
2329 | /* In case we got HCA frequency 0 - disable timestamping | |
2330 | * to avoid dividing by zero | |
2331 | */ | |
2332 | if (!dev->caps.hca_core_clock) { | |
2333 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
2334 | mlx4_err(dev, | |
1a91de28 | 2335 | "HCA frequency is 0 - timestamping is not supported\n"); |
ddd8a6c1 EE |
2336 | } else if (map_internal_clock(dev)) { |
2337 | /* | |
2338 | * Map internal clock, | |
2339 | * in case of failure disable timestamping | |
2340 | */ | |
2341 | dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS; | |
1a91de28 | 2342 | mlx4_err(dev, "Failed to map internal clock. Timestamping is not supported\n"); |
ddd8a6c1 EE |
2343 | } |
2344 | } | |
7d077cd3 MB |
2345 | |
2346 | if (dev->caps.dmfs_high_steer_mode != | |
2347 | MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) { | |
2348 | if (mlx4_validate_optimized_steering(dev)) | |
2349 | mlx4_warn(dev, "Optimized steering validation failed\n"); | |
2350 | ||
2351 | if (dev->caps.dmfs_high_steer_mode == | |
2352 | MLX4_STEERING_DMFS_A0_DISABLE) { | |
2353 | dev->caps.dmfs_high_rate_qpn_base = | |
2354 | dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; | |
2355 | dev->caps.dmfs_high_rate_qpn_range = | |
2356 | MLX4_A0_STEERING_TABLE_SIZE; | |
2357 | } | |
2358 | ||
2359 | mlx4_dbg(dev, "DMFS high rate steer mode is: %s\n", | |
2360 | dmfs_high_rate_steering_mode_str( | |
2361 | dev->caps.dmfs_high_steer_mode)); | |
2362 | } | |
ab9c17a0 JM |
2363 | } else { |
2364 | err = mlx4_init_slave(dev); | |
2365 | if (err) { | |
5efe5355 JM |
2366 | if (err != -EPROBE_DEFER) |
2367 | mlx4_err(dev, "Failed to initialize slave\n"); | |
bef772eb | 2368 | return err; |
ab9c17a0 | 2369 | } |
225c7b1f | 2370 | |
ab9c17a0 JM |
2371 | err = mlx4_slave_cap(dev); |
2372 | if (err) { | |
2373 | mlx4_err(dev, "Failed to obtain slave caps\n"); | |
2374 | goto err_close; | |
2375 | } | |
225c7b1f RD |
2376 | } |
2377 | ||
ab9c17a0 JM |
2378 | if (map_bf_area(dev)) |
2379 | mlx4_dbg(dev, "Failed to map blue flame area\n"); | |
2380 | ||
2381 | /*Only the master set the ports, all the rest got it from it.*/ | |
2382 | if (!mlx4_is_slave(dev)) | |
2383 | mlx4_set_port_mask(dev); | |
2384 | ||
225c7b1f RD |
2385 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
2386 | if (err) { | |
1a91de28 | 2387 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting\n"); |
bef772eb | 2388 | goto unmap_bf; |
225c7b1f RD |
2389 | } |
2390 | ||
f8c6455b SM |
2391 | /* Query CONFIG_DEV parameters */ |
2392 | err = mlx4_config_dev_retrieval(dev, ¶ms); | |
423b3aec | 2393 | if (err && err != -EOPNOTSUPP) { |
f8c6455b SM |
2394 | mlx4_err(dev, "Failed to query CONFIG_DEV parameters\n"); |
2395 | } else if (!err) { | |
2396 | dev->caps.rx_checksum_flags_port[1] = params.rx_csum_flags_port_1; | |
2397 | dev->caps.rx_checksum_flags_port[2] = params.rx_csum_flags_port_2; | |
2398 | } | |
225c7b1f | 2399 | priv->eq_table.inta_pin = adapter.inta_pin; |
cd9281d8 | 2400 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
2401 | |
2402 | return 0; | |
2403 | ||
bef772eb | 2404 | unmap_bf: |
ddd8a6c1 | 2405 | unmap_internal_clock(dev); |
bef772eb AY |
2406 | unmap_bf_area(dev); |
2407 | ||
b38f2879 | 2408 | if (mlx4_is_slave(dev)) { |
99ec41d0 | 2409 | kfree(dev->caps.qp0_qkey); |
b38f2879 DB |
2410 | kfree(dev->caps.qp0_tunnel); |
2411 | kfree(dev->caps.qp0_proxy); | |
2412 | kfree(dev->caps.qp1_tunnel); | |
2413 | kfree(dev->caps.qp1_proxy); | |
2414 | } | |
2415 | ||
225c7b1f | 2416 | err_close: |
41929ed2 DB |
2417 | if (mlx4_is_slave(dev)) |
2418 | mlx4_slave_exit(dev); | |
2419 | else | |
2420 | mlx4_CLOSE_HCA(dev, 0); | |
225c7b1f RD |
2421 | |
2422 | err_free_icm: | |
ab9c17a0 JM |
2423 | if (!mlx4_is_slave(dev)) |
2424 | mlx4_free_icms(dev); | |
225c7b1f | 2425 | |
225c7b1f RD |
2426 | return err; |
2427 | } | |
2428 | ||
f2a3f6a3 OG |
2429 | static int mlx4_init_counters_table(struct mlx4_dev *dev) |
2430 | { | |
2431 | struct mlx4_priv *priv = mlx4_priv(dev); | |
47d8417f | 2432 | int nent_pow2; |
f2a3f6a3 OG |
2433 | |
2434 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
2435 | return -ENOENT; | |
2436 | ||
2632d18d EBE |
2437 | if (!dev->caps.max_counters) |
2438 | return -ENOSPC; | |
2439 | ||
47d8417f EBE |
2440 | nent_pow2 = roundup_pow_of_two(dev->caps.max_counters); |
2441 | /* reserve last counter index for sink counter */ | |
2442 | return mlx4_bitmap_init(&priv->counters_bitmap, nent_pow2, | |
2443 | nent_pow2 - 1, 0, | |
2444 | nent_pow2 - dev->caps.max_counters + 1); | |
f2a3f6a3 OG |
2445 | } |
2446 | ||
2447 | static void mlx4_cleanup_counters_table(struct mlx4_dev *dev) | |
2448 | { | |
efa6bc91 EBE |
2449 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
2450 | return; | |
2451 | ||
2632d18d EBE |
2452 | if (!dev->caps.max_counters) |
2453 | return; | |
2454 | ||
f2a3f6a3 OG |
2455 | mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap); |
2456 | } | |
2457 | ||
6de5f7f6 EBE |
2458 | static void mlx4_cleanup_default_counters(struct mlx4_dev *dev) |
2459 | { | |
2460 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2461 | int port; | |
2462 | ||
2463 | for (port = 0; port < dev->caps.num_ports; port++) | |
2464 | if (priv->def_counter[port] != -1) | |
2465 | mlx4_counter_free(dev, priv->def_counter[port]); | |
2466 | } | |
2467 | ||
2468 | static int mlx4_allocate_default_counters(struct mlx4_dev *dev) | |
2469 | { | |
2470 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2471 | int port, err = 0; | |
2472 | u32 idx; | |
2473 | ||
2474 | for (port = 0; port < dev->caps.num_ports; port++) | |
2475 | priv->def_counter[port] = -1; | |
2476 | ||
2477 | for (port = 0; port < dev->caps.num_ports; port++) { | |
2478 | err = mlx4_counter_alloc(dev, &idx); | |
2479 | ||
2480 | if (!err || err == -ENOSPC) { | |
2481 | priv->def_counter[port] = idx; | |
2482 | } else if (err == -ENOENT) { | |
2483 | err = 0; | |
2484 | continue; | |
178d23e3 OG |
2485 | } else if (mlx4_is_slave(dev) && err == -EINVAL) { |
2486 | priv->def_counter[port] = MLX4_SINK_COUNTER_INDEX(dev); | |
2487 | mlx4_warn(dev, "can't allocate counter from old PF driver, using index %d\n", | |
2488 | MLX4_SINK_COUNTER_INDEX(dev)); | |
2489 | err = 0; | |
6de5f7f6 EBE |
2490 | } else { |
2491 | mlx4_err(dev, "%s: failed to allocate default counter port %d err %d\n", | |
2492 | __func__, port + 1, err); | |
2493 | mlx4_cleanup_default_counters(dev); | |
2494 | return err; | |
2495 | } | |
2496 | ||
2497 | mlx4_dbg(dev, "%s: default counter index %d for port %d\n", | |
2498 | __func__, priv->def_counter[port], port + 1); | |
2499 | } | |
2500 | ||
2501 | return err; | |
2502 | } | |
2503 | ||
ba062d52 | 2504 | int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) |
f2a3f6a3 OG |
2505 | { |
2506 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2507 | ||
2508 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) | |
2509 | return -ENOENT; | |
2510 | ||
2511 | *idx = mlx4_bitmap_alloc(&priv->counters_bitmap); | |
6de5f7f6 EBE |
2512 | if (*idx == -1) { |
2513 | *idx = MLX4_SINK_COUNTER_INDEX(dev); | |
2514 | return -ENOSPC; | |
2515 | } | |
f2a3f6a3 OG |
2516 | |
2517 | return 0; | |
2518 | } | |
ba062d52 JM |
2519 | |
2520 | int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx) | |
2521 | { | |
2522 | u64 out_param; | |
2523 | int err; | |
2524 | ||
2525 | if (mlx4_is_mfunc(dev)) { | |
2526 | err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER, | |
2527 | RES_OP_RESERVE, MLX4_CMD_ALLOC_RES, | |
2528 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); | |
2529 | if (!err) | |
2530 | *idx = get_param_l(&out_param); | |
2531 | ||
2532 | return err; | |
2533 | } | |
2534 | return __mlx4_counter_alloc(dev, idx); | |
2535 | } | |
f2a3f6a3 OG |
2536 | EXPORT_SYMBOL_GPL(mlx4_counter_alloc); |
2537 | ||
b72ca7e9 EBE |
2538 | static int __mlx4_clear_if_stat(struct mlx4_dev *dev, |
2539 | u8 counter_index) | |
2540 | { | |
2541 | struct mlx4_cmd_mailbox *if_stat_mailbox; | |
2542 | int err; | |
2543 | u32 if_stat_in_mod = (counter_index & 0xff) | MLX4_QUERY_IF_STAT_RESET; | |
2544 | ||
2545 | if_stat_mailbox = mlx4_alloc_cmd_mailbox(dev); | |
2546 | if (IS_ERR(if_stat_mailbox)) | |
2547 | return PTR_ERR(if_stat_mailbox); | |
2548 | ||
2549 | err = mlx4_cmd_box(dev, 0, if_stat_mailbox->dma, if_stat_in_mod, 0, | |
2550 | MLX4_CMD_QUERY_IF_STAT, MLX4_CMD_TIME_CLASS_C, | |
2551 | MLX4_CMD_NATIVE); | |
2552 | ||
2553 | mlx4_free_cmd_mailbox(dev, if_stat_mailbox); | |
2554 | return err; | |
2555 | } | |
2556 | ||
ba062d52 | 2557 | void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx) |
f2a3f6a3 | 2558 | { |
efa6bc91 EBE |
2559 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS)) |
2560 | return; | |
2561 | ||
6de5f7f6 EBE |
2562 | if (idx == MLX4_SINK_COUNTER_INDEX(dev)) |
2563 | return; | |
2564 | ||
b72ca7e9 EBE |
2565 | __mlx4_clear_if_stat(dev, idx); |
2566 | ||
7c6d74d2 | 2567 | mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR); |
f2a3f6a3 OG |
2568 | return; |
2569 | } | |
ba062d52 JM |
2570 | |
2571 | void mlx4_counter_free(struct mlx4_dev *dev, u32 idx) | |
2572 | { | |
e7dbeba8 | 2573 | u64 in_param = 0; |
ba062d52 JM |
2574 | |
2575 | if (mlx4_is_mfunc(dev)) { | |
2576 | set_param_l(&in_param, idx); | |
2577 | mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE, | |
2578 | MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A, | |
2579 | MLX4_CMD_WRAPPED); | |
2580 | return; | |
2581 | } | |
2582 | __mlx4_counter_free(dev, idx); | |
2583 | } | |
f2a3f6a3 OG |
2584 | EXPORT_SYMBOL_GPL(mlx4_counter_free); |
2585 | ||
6de5f7f6 EBE |
2586 | int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port) |
2587 | { | |
2588 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2589 | ||
2590 | return priv->def_counter[port - 1]; | |
2591 | } | |
2592 | EXPORT_SYMBOL_GPL(mlx4_get_default_counter_index); | |
2593 | ||
773af94e YH |
2594 | void mlx4_set_admin_guid(struct mlx4_dev *dev, __be64 guid, int entry, int port) |
2595 | { | |
2596 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2597 | ||
2598 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; | |
2599 | } | |
2600 | EXPORT_SYMBOL_GPL(mlx4_set_admin_guid); | |
2601 | ||
2602 | __be64 mlx4_get_admin_guid(struct mlx4_dev *dev, int entry, int port) | |
2603 | { | |
2604 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2605 | ||
2606 | return priv->mfunc.master.vf_admin[entry].vport[port].guid; | |
2607 | } | |
2608 | EXPORT_SYMBOL_GPL(mlx4_get_admin_guid); | |
2609 | ||
fb517a4f YH |
2610 | void mlx4_set_random_admin_guid(struct mlx4_dev *dev, int entry, int port) |
2611 | { | |
2612 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2613 | __be64 guid; | |
2614 | ||
2615 | /* hw GUID */ | |
2616 | if (entry == 0) | |
2617 | return; | |
2618 | ||
2619 | get_random_bytes((char *)&guid, sizeof(guid)); | |
2620 | guid &= ~(cpu_to_be64(1ULL << 56)); | |
2621 | guid |= cpu_to_be64(1ULL << 57); | |
2622 | priv->mfunc.master.vf_admin[entry].vport[port].guid = guid; | |
2623 | } | |
2624 | ||
3d73c288 | 2625 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
2626 | { |
2627 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2628 | int err; | |
7ff93f8b | 2629 | int port; |
9a5aa622 | 2630 | __be32 ib_port_default_caps; |
225c7b1f | 2631 | |
225c7b1f RD |
2632 | err = mlx4_init_uar_table(dev); |
2633 | if (err) { | |
1a91de28 | 2634 | mlx4_err(dev, "Failed to initialize user access region table, aborting\n"); |
5d4de16c | 2635 | return err; |
225c7b1f RD |
2636 | } |
2637 | ||
2638 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
2639 | if (err) { | |
1a91de28 | 2640 | mlx4_err(dev, "Failed to allocate driver access region, aborting\n"); |
225c7b1f RD |
2641 | goto err_uar_table_free; |
2642 | } | |
2643 | ||
4979d18f | 2644 | priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
225c7b1f | 2645 | if (!priv->kar) { |
1a91de28 | 2646 | mlx4_err(dev, "Couldn't map kernel access region, aborting\n"); |
225c7b1f RD |
2647 | err = -ENOMEM; |
2648 | goto err_uar_free; | |
2649 | } | |
2650 | ||
2651 | err = mlx4_init_pd_table(dev); | |
2652 | if (err) { | |
1a91de28 | 2653 | mlx4_err(dev, "Failed to initialize protection domain table, aborting\n"); |
225c7b1f RD |
2654 | goto err_kar_unmap; |
2655 | } | |
2656 | ||
012a8ff5 SH |
2657 | err = mlx4_init_xrcd_table(dev); |
2658 | if (err) { | |
1a91de28 | 2659 | mlx4_err(dev, "Failed to initialize reliable connection domain table, aborting\n"); |
012a8ff5 SH |
2660 | goto err_pd_table_free; |
2661 | } | |
2662 | ||
225c7b1f RD |
2663 | err = mlx4_init_mr_table(dev); |
2664 | if (err) { | |
1a91de28 | 2665 | mlx4_err(dev, "Failed to initialize memory region table, aborting\n"); |
012a8ff5 | 2666 | goto err_xrcd_table_free; |
225c7b1f RD |
2667 | } |
2668 | ||
fe6f700d YP |
2669 | if (!mlx4_is_slave(dev)) { |
2670 | err = mlx4_init_mcg_table(dev); | |
2671 | if (err) { | |
1a91de28 | 2672 | mlx4_err(dev, "Failed to initialize multicast group table, aborting\n"); |
fe6f700d YP |
2673 | goto err_mr_table_free; |
2674 | } | |
114840c3 JM |
2675 | err = mlx4_config_mad_demux(dev); |
2676 | if (err) { | |
2677 | mlx4_err(dev, "Failed in config_mad_demux, aborting\n"); | |
2678 | goto err_mcg_table_free; | |
2679 | } | |
fe6f700d YP |
2680 | } |
2681 | ||
225c7b1f RD |
2682 | err = mlx4_init_eq_table(dev); |
2683 | if (err) { | |
1a91de28 | 2684 | mlx4_err(dev, "Failed to initialize event queue table, aborting\n"); |
fe6f700d | 2685 | goto err_mcg_table_free; |
225c7b1f RD |
2686 | } |
2687 | ||
2688 | err = mlx4_cmd_use_events(dev); | |
2689 | if (err) { | |
1a91de28 | 2690 | mlx4_err(dev, "Failed to switch to event-driven firmware commands, aborting\n"); |
225c7b1f RD |
2691 | goto err_eq_table_free; |
2692 | } | |
2693 | ||
2694 | err = mlx4_NOP(dev); | |
2695 | if (err) { | |
08fb1055 | 2696 | if (dev->flags & MLX4_FLAG_MSI_X) { |
1a91de28 | 2697 | mlx4_warn(dev, "NOP command failed to generate MSI-X interrupt IRQ %d)\n", |
c66fa19c | 2698 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
1a91de28 | 2699 | mlx4_warn(dev, "Trying again without MSI-X\n"); |
08fb1055 | 2700 | } else { |
1a91de28 | 2701 | mlx4_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting\n", |
c66fa19c | 2702 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
225c7b1f | 2703 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 2704 | } |
225c7b1f RD |
2705 | |
2706 | goto err_cmd_poll; | |
2707 | } | |
2708 | ||
2709 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
2710 | ||
2711 | err = mlx4_init_cq_table(dev); | |
2712 | if (err) { | |
1a91de28 | 2713 | mlx4_err(dev, "Failed to initialize completion queue table, aborting\n"); |
225c7b1f RD |
2714 | goto err_cmd_poll; |
2715 | } | |
2716 | ||
2717 | err = mlx4_init_srq_table(dev); | |
2718 | if (err) { | |
1a91de28 | 2719 | mlx4_err(dev, "Failed to initialize shared receive queue table, aborting\n"); |
225c7b1f RD |
2720 | goto err_cq_table_free; |
2721 | } | |
2722 | ||
2723 | err = mlx4_init_qp_table(dev); | |
2724 | if (err) { | |
1a91de28 | 2725 | mlx4_err(dev, "Failed to initialize queue pair table, aborting\n"); |
225c7b1f RD |
2726 | goto err_srq_table_free; |
2727 | } | |
2728 | ||
2632d18d EBE |
2729 | if (!mlx4_is_slave(dev)) { |
2730 | err = mlx4_init_counters_table(dev); | |
2731 | if (err && err != -ENOENT) { | |
2732 | mlx4_err(dev, "Failed to initialize counters table, aborting\n"); | |
2733 | goto err_qp_table_free; | |
2734 | } | |
f2a3f6a3 OG |
2735 | } |
2736 | ||
6de5f7f6 EBE |
2737 | err = mlx4_allocate_default_counters(dev); |
2738 | if (err) { | |
2739 | mlx4_err(dev, "Failed to allocate default counters, aborting\n"); | |
2740 | goto err_counters_table_free; | |
f2a3f6a3 OG |
2741 | } |
2742 | ||
ab9c17a0 JM |
2743 | if (!mlx4_is_slave(dev)) { |
2744 | for (port = 1; port <= dev->caps.num_ports; port++) { | |
ab9c17a0 JM |
2745 | ib_port_default_caps = 0; |
2746 | err = mlx4_get_port_ib_caps(dev, port, | |
2747 | &ib_port_default_caps); | |
2748 | if (err) | |
1a91de28 JP |
2749 | mlx4_warn(dev, "failed to get port %d default ib capabilities (%d). Continuing with caps = 0\n", |
2750 | port, err); | |
ab9c17a0 JM |
2751 | dev->caps.ib_port_def_cap[port] = ib_port_default_caps; |
2752 | ||
2aca1172 JM |
2753 | /* initialize per-slave default ib port capabilities */ |
2754 | if (mlx4_is_master(dev)) { | |
2755 | int i; | |
2756 | for (i = 0; i < dev->num_slaves; i++) { | |
2757 | if (i == mlx4_master_func_num(dev)) | |
2758 | continue; | |
2759 | priv->mfunc.master.slave_state[i].ib_cap_mask[port] = | |
1a91de28 | 2760 | ib_port_default_caps; |
2aca1172 JM |
2761 | } |
2762 | } | |
2763 | ||
096335b3 OG |
2764 | if (mlx4_is_mfunc(dev)) |
2765 | dev->caps.port_ib_mtu[port] = IB_MTU_2048; | |
2766 | else | |
2767 | dev->caps.port_ib_mtu[port] = IB_MTU_4096; | |
97285b78 | 2768 | |
6634961c JM |
2769 | err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ? |
2770 | dev->caps.pkey_table_len[port] : -1); | |
ab9c17a0 JM |
2771 | if (err) { |
2772 | mlx4_err(dev, "Failed to set port %d, aborting\n", | |
1a91de28 | 2773 | port); |
6de5f7f6 | 2774 | goto err_default_countes_free; |
ab9c17a0 | 2775 | } |
7ff93f8b YP |
2776 | } |
2777 | } | |
2778 | ||
225c7b1f RD |
2779 | return 0; |
2780 | ||
6de5f7f6 EBE |
2781 | err_default_countes_free: |
2782 | mlx4_cleanup_default_counters(dev); | |
2783 | ||
f2a3f6a3 | 2784 | err_counters_table_free: |
2632d18d EBE |
2785 | if (!mlx4_is_slave(dev)) |
2786 | mlx4_cleanup_counters_table(dev); | |
f2a3f6a3 | 2787 | |
225c7b1f RD |
2788 | err_qp_table_free: |
2789 | mlx4_cleanup_qp_table(dev); | |
2790 | ||
2791 | err_srq_table_free: | |
2792 | mlx4_cleanup_srq_table(dev); | |
2793 | ||
2794 | err_cq_table_free: | |
2795 | mlx4_cleanup_cq_table(dev); | |
2796 | ||
2797 | err_cmd_poll: | |
2798 | mlx4_cmd_use_polling(dev); | |
2799 | ||
2800 | err_eq_table_free: | |
2801 | mlx4_cleanup_eq_table(dev); | |
2802 | ||
fe6f700d YP |
2803 | err_mcg_table_free: |
2804 | if (!mlx4_is_slave(dev)) | |
2805 | mlx4_cleanup_mcg_table(dev); | |
2806 | ||
ee49bd93 | 2807 | err_mr_table_free: |
225c7b1f RD |
2808 | mlx4_cleanup_mr_table(dev); |
2809 | ||
012a8ff5 SH |
2810 | err_xrcd_table_free: |
2811 | mlx4_cleanup_xrcd_table(dev); | |
2812 | ||
225c7b1f RD |
2813 | err_pd_table_free: |
2814 | mlx4_cleanup_pd_table(dev); | |
2815 | ||
2816 | err_kar_unmap: | |
2817 | iounmap(priv->kar); | |
2818 | ||
2819 | err_uar_free: | |
2820 | mlx4_uar_free(dev, &priv->driver_uar); | |
2821 | ||
2822 | err_uar_table_free: | |
2823 | mlx4_cleanup_uar_table(dev); | |
2824 | return err; | |
2825 | } | |
2826 | ||
de161803 IS |
2827 | static int mlx4_init_affinity_hint(struct mlx4_dev *dev, int port, int eqn) |
2828 | { | |
2829 | int requested_cpu = 0; | |
2830 | struct mlx4_priv *priv = mlx4_priv(dev); | |
2831 | struct mlx4_eq *eq; | |
2832 | int off = 0; | |
2833 | int i; | |
2834 | ||
2835 | if (eqn > dev->caps.num_comp_vectors) | |
2836 | return -EINVAL; | |
2837 | ||
2838 | for (i = 1; i < port; i++) | |
2839 | off += mlx4_get_eqs_per_port(dev, i); | |
2840 | ||
2841 | requested_cpu = eqn - off - !!(eqn > MLX4_EQ_ASYNC); | |
2842 | ||
2843 | /* Meaning EQs are shared, and this call comes from the second port */ | |
2844 | if (requested_cpu < 0) | |
2845 | return 0; | |
2846 | ||
2847 | eq = &priv->eq_table.eq[eqn]; | |
2848 | ||
2849 | if (!zalloc_cpumask_var(&eq->affinity_mask, GFP_KERNEL)) | |
2850 | return -ENOMEM; | |
2851 | ||
2852 | cpumask_set_cpu(requested_cpu, eq->affinity_mask); | |
2853 | ||
2854 | return 0; | |
2855 | } | |
2856 | ||
e8f9b2ed | 2857 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
2858 | { |
2859 | struct mlx4_priv *priv = mlx4_priv(dev); | |
b8dd786f | 2860 | struct msix_entry *entries; |
225c7b1f | 2861 | int i; |
c66fa19c | 2862 | int port = 0; |
225c7b1f RD |
2863 | |
2864 | if (msi_x) { | |
4762010f | 2865 | int nreq = min3(dev->caps.num_ports * |
2866 | (int)num_online_cpus() + 1, | |
2867 | dev->caps.num_eqs - dev->caps.reserved_eqs, | |
2868 | MAX_MSIX); | |
ab9c17a0 | 2869 | |
b8dd786f YP |
2870 | entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); |
2871 | if (!entries) | |
2872 | goto no_msi; | |
2873 | ||
2874 | for (i = 0; i < nreq; ++i) | |
225c7b1f RD |
2875 | entries[i].entry = i; |
2876 | ||
872bf2fb YH |
2877 | nreq = pci_enable_msix_range(dev->persist->pdev, entries, 2, |
2878 | nreq); | |
66e2f9c1 | 2879 | |
c66fa19c | 2880 | if (nreq < 0 || nreq < MLX4_EQ_ASYNC) { |
5bf0da7d | 2881 | kfree(entries); |
225c7b1f | 2882 | goto no_msi; |
0b7ca5a9 | 2883 | } |
c66fa19c MB |
2884 | /* 1 is reserved for events (asyncrounous EQ) */ |
2885 | dev->caps.num_comp_vectors = nreq - 1; | |
2886 | ||
2887 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq = entries[0].vector; | |
2888 | bitmap_zero(priv->eq_table.eq[MLX4_EQ_ASYNC].actv_ports.ports, | |
2889 | dev->caps.num_ports); | |
2890 | ||
2891 | for (i = 0; i < dev->caps.num_comp_vectors + 1; i++) { | |
2892 | if (i == MLX4_EQ_ASYNC) | |
2893 | continue; | |
2894 | ||
2895 | priv->eq_table.eq[i].irq = | |
2896 | entries[i + 1 - !!(i > MLX4_EQ_ASYNC)].vector; | |
2897 | ||
85121d6e | 2898 | if (MLX4_IS_LEGACY_EQ_MODE(dev->caps)) { |
c66fa19c MB |
2899 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, |
2900 | dev->caps.num_ports); | |
de161803 IS |
2901 | /* We don't set affinity hint when there |
2902 | * aren't enough EQs | |
2903 | */ | |
c66fa19c MB |
2904 | } else { |
2905 | set_bit(port, | |
2906 | priv->eq_table.eq[i].actv_ports.ports); | |
de161803 IS |
2907 | if (mlx4_init_affinity_hint(dev, port + 1, i)) |
2908 | mlx4_warn(dev, "Couldn't init hint cpumask for EQ %d\n", | |
2909 | i); | |
c66fa19c MB |
2910 | } |
2911 | /* We divide the Eqs evenly between the two ports. | |
2912 | * (dev->caps.num_comp_vectors / dev->caps.num_ports) | |
2913 | * refers to the number of Eqs per port | |
2914 | * (i.e eqs_per_port). Theoretically, we would like to | |
2915 | * write something like (i + 1) % eqs_per_port == 0. | |
2916 | * However, since there's an asynchronous Eq, we have | |
2917 | * to skip over it by comparing this condition to | |
2918 | * !!((i + 1) > MLX4_EQ_ASYNC). | |
2919 | */ | |
2920 | if ((dev->caps.num_comp_vectors > dev->caps.num_ports) && | |
2921 | ((i + 1) % | |
2922 | (dev->caps.num_comp_vectors / dev->caps.num_ports)) == | |
2923 | !!((i + 1) > MLX4_EQ_ASYNC)) | |
2924 | /* If dev->caps.num_comp_vectors < dev->caps.num_ports, | |
2925 | * everything is shared anyway. | |
2926 | */ | |
2927 | port++; | |
2928 | } | |
225c7b1f RD |
2929 | |
2930 | dev->flags |= MLX4_FLAG_MSI_X; | |
b8dd786f YP |
2931 | |
2932 | kfree(entries); | |
225c7b1f RD |
2933 | return; |
2934 | } | |
2935 | ||
2936 | no_msi: | |
b8dd786f YP |
2937 | dev->caps.num_comp_vectors = 1; |
2938 | ||
c66fa19c MB |
2939 | BUG_ON(MLX4_EQ_ASYNC >= 2); |
2940 | for (i = 0; i < 2; ++i) { | |
872bf2fb | 2941 | priv->eq_table.eq[i].irq = dev->persist->pdev->irq; |
c66fa19c MB |
2942 | if (i != MLX4_EQ_ASYNC) { |
2943 | bitmap_fill(priv->eq_table.eq[i].actv_ports.ports, | |
2944 | dev->caps.num_ports); | |
2945 | } | |
2946 | } | |
225c7b1f RD |
2947 | } |
2948 | ||
7ff93f8b | 2949 | static int mlx4_init_port_info(struct mlx4_dev *dev, int port) |
2a2336f8 | 2950 | { |
09d4d087 | 2951 | struct devlink *devlink = priv_to_devlink(mlx4_priv(dev)); |
2a2336f8 | 2952 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
09d4d087 JP |
2953 | int err; |
2954 | ||
2955 | err = devlink_port_register(devlink, &info->devlink_port, port); | |
2956 | if (err) | |
2957 | return err; | |
2a2336f8 YP |
2958 | |
2959 | info->dev = dev; | |
2960 | info->port = port; | |
ab9c17a0 | 2961 | if (!mlx4_is_slave(dev)) { |
ab9c17a0 JM |
2962 | mlx4_init_mac_table(dev, &info->mac_table); |
2963 | mlx4_init_vlan_table(dev, &info->vlan_table); | |
111c6094 | 2964 | mlx4_init_roce_gid_table(dev, &info->gid_table); |
16a10ffd | 2965 | info->base_qpn = mlx4_get_base_qpn(dev, port); |
ab9c17a0 | 2966 | } |
7ff93f8b YP |
2967 | |
2968 | sprintf(info->dev_name, "mlx4_port%d", port); | |
2969 | info->port_attr.attr.name = info->dev_name; | |
ab9c17a0 JM |
2970 | if (mlx4_is_mfunc(dev)) |
2971 | info->port_attr.attr.mode = S_IRUGO; | |
2972 | else { | |
2973 | info->port_attr.attr.mode = S_IRUGO | S_IWUSR; | |
2974 | info->port_attr.store = set_port_type; | |
2975 | } | |
7ff93f8b | 2976 | info->port_attr.show = show_port_type; |
3691c964 | 2977 | sysfs_attr_init(&info->port_attr.attr); |
7ff93f8b | 2978 | |
872bf2fb | 2979 | err = device_create_file(&dev->persist->pdev->dev, &info->port_attr); |
7ff93f8b YP |
2980 | if (err) { |
2981 | mlx4_err(dev, "Failed to create file for port %d\n", port); | |
09d4d087 | 2982 | devlink_port_unregister(&info->devlink_port); |
7ff93f8b YP |
2983 | info->port = -1; |
2984 | } | |
2985 | ||
096335b3 OG |
2986 | sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); |
2987 | info->port_mtu_attr.attr.name = info->dev_mtu_name; | |
2988 | if (mlx4_is_mfunc(dev)) | |
2989 | info->port_mtu_attr.attr.mode = S_IRUGO; | |
2990 | else { | |
2991 | info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR; | |
2992 | info->port_mtu_attr.store = set_port_ib_mtu; | |
2993 | } | |
2994 | info->port_mtu_attr.show = show_port_ib_mtu; | |
2995 | sysfs_attr_init(&info->port_mtu_attr.attr); | |
2996 | ||
872bf2fb YH |
2997 | err = device_create_file(&dev->persist->pdev->dev, |
2998 | &info->port_mtu_attr); | |
096335b3 OG |
2999 | if (err) { |
3000 | mlx4_err(dev, "Failed to create mtu file for port %d\n", port); | |
872bf2fb YH |
3001 | device_remove_file(&info->dev->persist->pdev->dev, |
3002 | &info->port_attr); | |
fba12966 | 3003 | devlink_port_unregister(&info->devlink_port); |
096335b3 OG |
3004 | info->port = -1; |
3005 | } | |
3006 | ||
7ff93f8b YP |
3007 | return err; |
3008 | } | |
3009 | ||
3010 | static void mlx4_cleanup_port_info(struct mlx4_port_info *info) | |
3011 | { | |
3012 | if (info->port < 0) | |
3013 | return; | |
3014 | ||
872bf2fb YH |
3015 | device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); |
3016 | device_remove_file(&info->dev->persist->pdev->dev, | |
3017 | &info->port_mtu_attr); | |
fba12966 KH |
3018 | devlink_port_unregister(&info->devlink_port); |
3019 | ||
c66fa19c MB |
3020 | #ifdef CONFIG_RFS_ACCEL |
3021 | free_irq_cpu_rmap(info->rmap); | |
3022 | info->rmap = NULL; | |
3023 | #endif | |
2a2336f8 YP |
3024 | } |
3025 | ||
b12d93d6 YP |
3026 | static int mlx4_init_steering(struct mlx4_dev *dev) |
3027 | { | |
3028 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3029 | int num_entries = dev->caps.num_ports; | |
3030 | int i, j; | |
3031 | ||
3032 | priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL); | |
3033 | if (!priv->steer) | |
3034 | return -ENOMEM; | |
3035 | ||
45b51365 | 3036 | for (i = 0; i < num_entries; i++) |
b12d93d6 YP |
3037 | for (j = 0; j < MLX4_NUM_STEERS; j++) { |
3038 | INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]); | |
3039 | INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]); | |
3040 | } | |
b12d93d6 YP |
3041 | return 0; |
3042 | } | |
3043 | ||
3044 | static void mlx4_clear_steering(struct mlx4_dev *dev) | |
3045 | { | |
3046 | struct mlx4_priv *priv = mlx4_priv(dev); | |
3047 | struct mlx4_steer_index *entry, *tmp_entry; | |
3048 | struct mlx4_promisc_qp *pqp, *tmp_pqp; | |
3049 | int num_entries = dev->caps.num_ports; | |
3050 | int i, j; | |
3051 | ||
3052 | for (i = 0; i < num_entries; i++) { | |
3053 | for (j = 0; j < MLX4_NUM_STEERS; j++) { | |
3054 | list_for_each_entry_safe(pqp, tmp_pqp, | |
3055 | &priv->steer[i].promisc_qps[j], | |
3056 | list) { | |
3057 | list_del(&pqp->list); | |
3058 | kfree(pqp); | |
3059 | } | |
3060 | list_for_each_entry_safe(entry, tmp_entry, | |
3061 | &priv->steer[i].steer_entries[j], | |
3062 | list) { | |
3063 | list_del(&entry->list); | |
3064 | list_for_each_entry_safe(pqp, tmp_pqp, | |
3065 | &entry->duplicates, | |
3066 | list) { | |
3067 | list_del(&pqp->list); | |
3068 | kfree(pqp); | |
3069 | } | |
3070 | kfree(entry); | |
3071 | } | |
3072 | } | |
3073 | } | |
3074 | kfree(priv->steer); | |
3075 | } | |
3076 | ||
ab9c17a0 JM |
3077 | static int extended_func_num(struct pci_dev *pdev) |
3078 | { | |
3079 | return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn); | |
3080 | } | |
3081 | ||
3082 | #define MLX4_OWNER_BASE 0x8069c | |
3083 | #define MLX4_OWNER_SIZE 4 | |
3084 | ||
3085 | static int mlx4_get_ownership(struct mlx4_dev *dev) | |
3086 | { | |
3087 | void __iomem *owner; | |
3088 | u32 ret; | |
3089 | ||
872bf2fb | 3090 | if (pci_channel_offline(dev->persist->pdev)) |
57dbf29a KSS |
3091 | return -EIO; |
3092 | ||
872bf2fb YH |
3093 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
3094 | MLX4_OWNER_BASE, | |
ab9c17a0 JM |
3095 | MLX4_OWNER_SIZE); |
3096 | if (!owner) { | |
3097 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
3098 | return -ENOMEM; | |
3099 | } | |
3100 | ||
3101 | ret = readl(owner); | |
3102 | iounmap(owner); | |
3103 | return (int) !!ret; | |
3104 | } | |
3105 | ||
3106 | static void mlx4_free_ownership(struct mlx4_dev *dev) | |
3107 | { | |
3108 | void __iomem *owner; | |
3109 | ||
872bf2fb | 3110 | if (pci_channel_offline(dev->persist->pdev)) |
57dbf29a KSS |
3111 | return; |
3112 | ||
872bf2fb YH |
3113 | owner = ioremap(pci_resource_start(dev->persist->pdev, 0) + |
3114 | MLX4_OWNER_BASE, | |
ab9c17a0 JM |
3115 | MLX4_OWNER_SIZE); |
3116 | if (!owner) { | |
3117 | mlx4_err(dev, "Failed to obtain ownership bit\n"); | |
3118 | return; | |
3119 | } | |
3120 | writel(0, owner); | |
3121 | msleep(1000); | |
3122 | iounmap(owner); | |
3123 | } | |
3124 | ||
a0eacca9 MB |
3125 | #define SRIOV_VALID_STATE(flags) (!!((flags) & MLX4_FLAG_SRIOV) ==\ |
3126 | !!((flags) & MLX4_FLAG_MASTER)) | |
3127 | ||
3128 | static u64 mlx4_enable_sriov(struct mlx4_dev *dev, struct pci_dev *pdev, | |
55ad3592 | 3129 | u8 total_vfs, int existing_vfs, int reset_flow) |
a0eacca9 MB |
3130 | { |
3131 | u64 dev_flags = dev->flags; | |
da315679 | 3132 | int err = 0; |
0beb44b0 CS |
3133 | int fw_enabled_sriov_vfs = min(pci_sriov_get_totalvfs(pdev), |
3134 | MLX4_MAX_NUM_VF); | |
a0eacca9 | 3135 | |
55ad3592 YH |
3136 | if (reset_flow) { |
3137 | dev->dev_vfs = kcalloc(total_vfs, sizeof(*dev->dev_vfs), | |
3138 | GFP_KERNEL); | |
3139 | if (!dev->dev_vfs) | |
3140 | goto free_mem; | |
3141 | return dev_flags; | |
3142 | } | |
3143 | ||
da315679 MB |
3144 | atomic_inc(&pf_loading); |
3145 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
3146 | if (existing_vfs != total_vfs) { | |
3147 | mlx4_err(dev, "SR-IOV was already enabled, but with num_vfs (%d) different than requested (%d)\n", | |
3148 | existing_vfs, total_vfs); | |
3149 | total_vfs = existing_vfs; | |
3150 | } | |
3151 | } | |
3152 | ||
3153 | dev->dev_vfs = kzalloc(total_vfs * sizeof(*dev->dev_vfs), GFP_KERNEL); | |
a0eacca9 MB |
3154 | if (NULL == dev->dev_vfs) { |
3155 | mlx4_err(dev, "Failed to allocate memory for VFs\n"); | |
3156 | goto disable_sriov; | |
da315679 MB |
3157 | } |
3158 | ||
3159 | if (!(dev->flags & MLX4_FLAG_SRIOV)) { | |
0beb44b0 CS |
3160 | if (total_vfs > fw_enabled_sriov_vfs) { |
3161 | mlx4_err(dev, "requested vfs (%d) > available vfs (%d). Continuing without SR_IOV\n", | |
3162 | total_vfs, fw_enabled_sriov_vfs); | |
3163 | err = -ENOMEM; | |
3164 | goto disable_sriov; | |
3165 | } | |
da315679 MB |
3166 | mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", total_vfs); |
3167 | err = pci_enable_sriov(pdev, total_vfs); | |
3168 | } | |
3169 | if (err) { | |
3170 | mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d)\n", | |
3171 | err); | |
3172 | goto disable_sriov; | |
3173 | } else { | |
3174 | mlx4_warn(dev, "Running in master mode\n"); | |
3175 | dev_flags |= MLX4_FLAG_SRIOV | | |
3176 | MLX4_FLAG_MASTER; | |
3177 | dev_flags &= ~MLX4_FLAG_SLAVE; | |
872bf2fb | 3178 | dev->persist->num_vfs = total_vfs; |
a0eacca9 MB |
3179 | } |
3180 | return dev_flags; | |
3181 | ||
3182 | disable_sriov: | |
da315679 | 3183 | atomic_dec(&pf_loading); |
55ad3592 | 3184 | free_mem: |
872bf2fb | 3185 | dev->persist->num_vfs = 0; |
a0eacca9 | 3186 | kfree(dev->dev_vfs); |
5114a04e | 3187 | dev->dev_vfs = NULL; |
a0eacca9 MB |
3188 | return dev_flags & ~MLX4_FLAG_MASTER; |
3189 | } | |
3190 | ||
de966c59 MB |
3191 | enum { |
3192 | MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64 = -1, | |
3193 | }; | |
3194 | ||
3195 | static int mlx4_check_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, | |
3196 | int *nvfs) | |
3197 | { | |
3198 | int requested_vfs = nvfs[0] + nvfs[1] + nvfs[2]; | |
3199 | /* Checking for 64 VFs as a limitation of CX2 */ | |
3200 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_80_VFS) && | |
3201 | requested_vfs >= 64) { | |
3202 | mlx4_err(dev, "Requested %d VFs, but FW does not support more than 64\n", | |
3203 | requested_vfs); | |
3204 | return MLX4_DEV_CAP_CHECK_NUM_VFS_ABOVE_64; | |
3205 | } | |
3206 | return 0; | |
3207 | } | |
3208 | ||
4bfd2e6e DJ |
3209 | static int mlx4_pci_enable_device(struct mlx4_dev *dev) |
3210 | { | |
3211 | struct pci_dev *pdev = dev->persist->pdev; | |
3212 | int err = 0; | |
3213 | ||
3214 | mutex_lock(&dev->persist->pci_status_mutex); | |
3215 | if (dev->persist->pci_status == MLX4_PCI_STATUS_DISABLED) { | |
3216 | err = pci_enable_device(pdev); | |
3217 | if (!err) | |
3218 | dev->persist->pci_status = MLX4_PCI_STATUS_ENABLED; | |
3219 | } | |
3220 | mutex_unlock(&dev->persist->pci_status_mutex); | |
3221 | ||
3222 | return err; | |
3223 | } | |
3224 | ||
3225 | static void mlx4_pci_disable_device(struct mlx4_dev *dev) | |
3226 | { | |
3227 | struct pci_dev *pdev = dev->persist->pdev; | |
3228 | ||
3229 | mutex_lock(&dev->persist->pci_status_mutex); | |
3230 | if (dev->persist->pci_status == MLX4_PCI_STATUS_ENABLED) { | |
3231 | pci_disable_device(pdev); | |
3232 | dev->persist->pci_status = MLX4_PCI_STATUS_DISABLED; | |
3233 | } | |
3234 | mutex_unlock(&dev->persist->pci_status_mutex); | |
3235 | } | |
3236 | ||
e1c00e10 | 3237 | static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, |
55ad3592 YH |
3238 | int total_vfs, int *nvfs, struct mlx4_priv *priv, |
3239 | int reset_flow) | |
225c7b1f | 3240 | { |
225c7b1f | 3241 | struct mlx4_dev *dev; |
e1c00e10 | 3242 | unsigned sum = 0; |
225c7b1f | 3243 | int err; |
2a2336f8 | 3244 | int port; |
e1c00e10 | 3245 | int i; |
7ae0e400 | 3246 | struct mlx4_dev_cap *dev_cap = NULL; |
bbb07af4 | 3247 | int existing_vfs = 0; |
225c7b1f | 3248 | |
e1c00e10 | 3249 | dev = &priv->dev; |
225c7b1f | 3250 | |
b581401e RD |
3251 | INIT_LIST_HEAD(&priv->ctx_list); |
3252 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f | 3253 | |
7ff93f8b | 3254 | mutex_init(&priv->port_mutex); |
53f33ae2 | 3255 | mutex_init(&priv->bond_mutex); |
7ff93f8b | 3256 | |
6296883c YP |
3257 | INIT_LIST_HEAD(&priv->pgdir_list); |
3258 | mutex_init(&priv->pgdir_mutex); | |
0c5ddb51 | 3259 | spin_lock_init(&priv->cmd.context_lock); |
6296883c | 3260 | |
c1b43dca EC |
3261 | INIT_LIST_HEAD(&priv->bf_list); |
3262 | mutex_init(&priv->bf_mutex); | |
3263 | ||
aca7a3ac | 3264 | dev->rev_id = pdev->revision; |
6e7136ed | 3265 | dev->numa_node = dev_to_node(&pdev->dev); |
e1c00e10 | 3266 | |
ab9c17a0 | 3267 | /* Detect if this device is a virtual function */ |
839f1243 | 3268 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { |
ab9c17a0 JM |
3269 | mlx4_warn(dev, "Detected virtual function - running in slave mode\n"); |
3270 | dev->flags |= MLX4_FLAG_SLAVE; | |
3271 | } else { | |
3272 | /* We reset the device and enable SRIOV only for physical | |
3273 | * devices. Try to claim ownership on the device; | |
3274 | * if already taken, skip -- do not allow multiple PFs */ | |
3275 | err = mlx4_get_ownership(dev); | |
3276 | if (err) { | |
3277 | if (err < 0) | |
e1c00e10 | 3278 | return err; |
ab9c17a0 | 3279 | else { |
1a91de28 | 3280 | mlx4_warn(dev, "Multiple PFs not yet supported - Skipping PF\n"); |
e1c00e10 | 3281 | return -EINVAL; |
ab9c17a0 JM |
3282 | } |
3283 | } | |
aca7a3ac | 3284 | |
fe6f700d YP |
3285 | atomic_set(&priv->opreq_count, 0); |
3286 | INIT_WORK(&priv->opreq_task, mlx4_opreq_action); | |
3287 | ||
ab9c17a0 JM |
3288 | /* |
3289 | * Now reset the HCA before we touch the PCI capabilities or | |
3290 | * attempt a firmware command, since a boot ROM may have left | |
3291 | * the HCA in an undefined state. | |
3292 | */ | |
3293 | err = mlx4_reset(dev); | |
3294 | if (err) { | |
1a91de28 | 3295 | mlx4_err(dev, "Failed to reset HCA, aborting\n"); |
e1c00e10 | 3296 | goto err_sriov; |
ab9c17a0 | 3297 | } |
7ae0e400 MB |
3298 | |
3299 | if (total_vfs) { | |
7ae0e400 | 3300 | dev->flags = MLX4_FLAG_MASTER; |
da315679 MB |
3301 | existing_vfs = pci_num_vf(pdev); |
3302 | if (existing_vfs) | |
3303 | dev->flags |= MLX4_FLAG_SRIOV; | |
872bf2fb | 3304 | dev->persist->num_vfs = total_vfs; |
7ae0e400 | 3305 | } |
225c7b1f RD |
3306 | } |
3307 | ||
f6bc11e4 YH |
3308 | /* on load remove any previous indication of internal error, |
3309 | * device is up. | |
3310 | */ | |
3311 | dev->persist->state = MLX4_DEVICE_STATE_UP; | |
3312 | ||
ab9c17a0 | 3313 | slave_start: |
521130d1 EE |
3314 | err = mlx4_cmd_init(dev); |
3315 | if (err) { | |
1a91de28 | 3316 | mlx4_err(dev, "Failed to init command interface, aborting\n"); |
ab9c17a0 JM |
3317 | goto err_sriov; |
3318 | } | |
3319 | ||
3320 | /* In slave functions, the communication channel must be initialized | |
3321 | * before posting commands. Also, init num_slaves before calling | |
3322 | * mlx4_init_hca */ | |
3323 | if (mlx4_is_mfunc(dev)) { | |
7ae0e400 | 3324 | if (mlx4_is_master(dev)) { |
ab9c17a0 | 3325 | dev->num_slaves = MLX4_MAX_NUM_SLAVES; |
7ae0e400 MB |
3326 | |
3327 | } else { | |
ab9c17a0 | 3328 | dev->num_slaves = 0; |
f356fcbe JM |
3329 | err = mlx4_multi_func_init(dev); |
3330 | if (err) { | |
1a91de28 | 3331 | mlx4_err(dev, "Failed to init slave mfunc interface, aborting\n"); |
ab9c17a0 JM |
3332 | goto err_cmd; |
3333 | } | |
3334 | } | |
225c7b1f RD |
3335 | } |
3336 | ||
a0eacca9 MB |
3337 | err = mlx4_init_fw(dev); |
3338 | if (err) { | |
3339 | mlx4_err(dev, "Failed to init fw, aborting.\n"); | |
3340 | goto err_mfunc; | |
3341 | } | |
3342 | ||
7ae0e400 | 3343 | if (mlx4_is_master(dev)) { |
da315679 | 3344 | /* when we hit the goto slave_start below, dev_cap already initialized */ |
7ae0e400 MB |
3345 | if (!dev_cap) { |
3346 | dev_cap = kzalloc(sizeof(*dev_cap), GFP_KERNEL); | |
3347 | ||
3348 | if (!dev_cap) { | |
3349 | err = -ENOMEM; | |
3350 | goto err_fw; | |
3351 | } | |
3352 | ||
3353 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
3354 | if (err) { | |
3355 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
3356 | goto err_fw; | |
3357 | } | |
3358 | ||
de966c59 MB |
3359 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) |
3360 | goto err_fw; | |
3361 | ||
7ae0e400 | 3362 | if (!(dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
55ad3592 YH |
3363 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, |
3364 | total_vfs, | |
3365 | existing_vfs, | |
3366 | reset_flow); | |
7ae0e400 | 3367 | |
ed3d2276 | 3368 | mlx4_close_fw(dev); |
7ae0e400 MB |
3369 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
3370 | dev->flags = dev_flags; | |
3371 | if (!SRIOV_VALID_STATE(dev->flags)) { | |
3372 | mlx4_err(dev, "Invalid SRIOV state\n"); | |
3373 | goto err_sriov; | |
3374 | } | |
3375 | err = mlx4_reset(dev); | |
3376 | if (err) { | |
3377 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
3378 | goto err_sriov; | |
3379 | } | |
3380 | goto slave_start; | |
3381 | } | |
3382 | } else { | |
3383 | /* Legacy mode FW requires SRIOV to be enabled before | |
3384 | * doing QUERY_DEV_CAP, since max_eq's value is different if | |
3385 | * SRIOV is enabled. | |
3386 | */ | |
3387 | memset(dev_cap, 0, sizeof(*dev_cap)); | |
3388 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
3389 | if (err) { | |
3390 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
3391 | goto err_fw; | |
3392 | } | |
de966c59 MB |
3393 | |
3394 | if (mlx4_check_dev_cap(dev, dev_cap, nvfs)) | |
3395 | goto err_fw; | |
7ae0e400 MB |
3396 | } |
3397 | } | |
3398 | ||
225c7b1f | 3399 | err = mlx4_init_hca(dev); |
ab9c17a0 JM |
3400 | if (err) { |
3401 | if (err == -EACCES) { | |
3402 | /* Not primary Physical function | |
3403 | * Running in slave mode */ | |
ffc39f6d | 3404 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
a0eacca9 MB |
3405 | /* We're not a PF */ |
3406 | if (dev->flags & MLX4_FLAG_SRIOV) { | |
3407 | if (!existing_vfs) | |
3408 | pci_disable_sriov(pdev); | |
55ad3592 | 3409 | if (mlx4_is_master(dev) && !reset_flow) |
a0eacca9 MB |
3410 | atomic_dec(&pf_loading); |
3411 | dev->flags &= ~MLX4_FLAG_SRIOV; | |
3412 | } | |
3413 | if (!mlx4_is_slave(dev)) | |
3414 | mlx4_free_ownership(dev); | |
ab9c17a0 JM |
3415 | dev->flags |= MLX4_FLAG_SLAVE; |
3416 | dev->flags &= ~MLX4_FLAG_MASTER; | |
3417 | goto slave_start; | |
3418 | } else | |
a0eacca9 | 3419 | goto err_fw; |
ab9c17a0 JM |
3420 | } |
3421 | ||
7ae0e400 | 3422 | if (mlx4_is_master(dev) && (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS)) { |
55ad3592 YH |
3423 | u64 dev_flags = mlx4_enable_sriov(dev, pdev, total_vfs, |
3424 | existing_vfs, reset_flow); | |
7ae0e400 MB |
3425 | |
3426 | if ((dev->flags ^ dev_flags) & (MLX4_FLAG_MASTER | MLX4_FLAG_SLAVE)) { | |
3427 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_VHCR); | |
3428 | dev->flags = dev_flags; | |
3429 | err = mlx4_cmd_init(dev); | |
3430 | if (err) { | |
3431 | /* Only VHCR is cleaned up, so could still | |
3432 | * send FW commands | |
3433 | */ | |
3434 | mlx4_err(dev, "Failed to init VHCR command interface, aborting\n"); | |
3435 | goto err_close; | |
3436 | } | |
3437 | } else { | |
3438 | dev->flags = dev_flags; | |
3439 | } | |
3440 | ||
3441 | if (!SRIOV_VALID_STATE(dev->flags)) { | |
3442 | mlx4_err(dev, "Invalid SRIOV state\n"); | |
3443 | goto err_close; | |
3444 | } | |
3445 | } | |
3446 | ||
b912b2f8 EP |
3447 | /* check if the device is functioning at its maximum possible speed. |
3448 | * No return code for this call, just warn the user in case of PCI | |
3449 | * express device capabilities are under-satisfied by the bus. | |
3450 | */ | |
83d3459a EP |
3451 | if (!mlx4_is_slave(dev)) |
3452 | mlx4_check_pcie_caps(dev); | |
b912b2f8 | 3453 | |
ab9c17a0 JM |
3454 | /* In master functions, the communication channel must be initialized |
3455 | * after obtaining its address from fw */ | |
3456 | if (mlx4_is_master(dev)) { | |
e1c00e10 MD |
3457 | if (dev->caps.num_ports < 2 && |
3458 | num_vfs_argc > 1) { | |
3459 | err = -EINVAL; | |
3460 | mlx4_err(dev, | |
3461 | "Error: Trying to configure VFs on port 2, but HCA has only %d physical ports\n", | |
3462 | dev->caps.num_ports); | |
ab9c17a0 JM |
3463 | goto err_close; |
3464 | } | |
872bf2fb | 3465 | memcpy(dev->persist->nvfs, nvfs, sizeof(dev->persist->nvfs)); |
dd41cc3b | 3466 | |
872bf2fb YH |
3467 | for (i = 0; |
3468 | i < sizeof(dev->persist->nvfs)/ | |
3469 | sizeof(dev->persist->nvfs[0]); i++) { | |
e1c00e10 MD |
3470 | unsigned j; |
3471 | ||
872bf2fb | 3472 | for (j = 0; j < dev->persist->nvfs[i]; ++sum, ++j) { |
e1c00e10 MD |
3473 | dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1; |
3474 | dev->dev_vfs[sum].n_ports = i < 2 ? 1 : | |
3475 | dev->caps.num_ports; | |
1ab95d37 MB |
3476 | } |
3477 | } | |
e1c00e10 MD |
3478 | |
3479 | /* In master functions, the communication channel | |
3480 | * must be initialized after obtaining its address from fw | |
3481 | */ | |
3482 | err = mlx4_multi_func_init(dev); | |
3483 | if (err) { | |
3484 | mlx4_err(dev, "Failed to init master mfunc interface, aborting.\n"); | |
3485 | goto err_close; | |
3486 | } | |
ab9c17a0 | 3487 | } |
225c7b1f | 3488 | |
b8dd786f YP |
3489 | err = mlx4_alloc_eq_table(dev); |
3490 | if (err) | |
ab9c17a0 | 3491 | goto err_master_mfunc; |
b8dd786f | 3492 | |
c66fa19c | 3493 | bitmap_zero(priv->msix_ctl.pool_bm, MAX_MSIX); |
730c41d5 | 3494 | mutex_init(&priv->msix_ctl.pool_lock); |
0b7ca5a9 | 3495 | |
08fb1055 | 3496 | mlx4_enable_msi_x(dev); |
ab9c17a0 JM |
3497 | if ((mlx4_is_mfunc(dev)) && |
3498 | !(dev->flags & MLX4_FLAG_MSI_X)) { | |
72b8eaab | 3499 | err = -EOPNOTSUPP; |
1a91de28 | 3500 | mlx4_err(dev, "INTx is not supported in multi-function mode, aborting\n"); |
b12d93d6 | 3501 | goto err_free_eq; |
ab9c17a0 JM |
3502 | } |
3503 | ||
3504 | if (!mlx4_is_slave(dev)) { | |
3505 | err = mlx4_init_steering(dev); | |
3506 | if (err) | |
e1c00e10 | 3507 | goto err_disable_msix; |
ab9c17a0 | 3508 | } |
b12d93d6 | 3509 | |
6ed63d84 JM |
3510 | mlx4_init_quotas(dev); |
3511 | ||
225c7b1f | 3512 | err = mlx4_setup_hca(dev); |
ab9c17a0 JM |
3513 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) && |
3514 | !mlx4_is_mfunc(dev)) { | |
08fb1055 | 3515 | dev->flags &= ~MLX4_FLAG_MSI_X; |
9858d2d1 | 3516 | dev->caps.num_comp_vectors = 1; |
08fb1055 MT |
3517 | pci_disable_msix(pdev); |
3518 | err = mlx4_setup_hca(dev); | |
3519 | } | |
3520 | ||
225c7b1f | 3521 | if (err) |
b12d93d6 | 3522 | goto err_steer; |
225c7b1f | 3523 | |
55ad3592 YH |
3524 | /* When PF resources are ready arm its comm channel to enable |
3525 | * getting commands | |
3526 | */ | |
3527 | if (mlx4_is_master(dev)) { | |
3528 | err = mlx4_ARM_COMM_CHANNEL(dev); | |
3529 | if (err) { | |
3530 | mlx4_err(dev, " Failed to arm comm channel eq: %x\n", | |
3531 | err); | |
3532 | goto err_steer; | |
3533 | } | |
3534 | } | |
5a0d0a61 | 3535 | |
7ff93f8b YP |
3536 | for (port = 1; port <= dev->caps.num_ports; port++) { |
3537 | err = mlx4_init_port_info(dev, port); | |
3538 | if (err) | |
3539 | goto err_port; | |
3540 | } | |
2a2336f8 | 3541 | |
53f33ae2 MS |
3542 | priv->v2p.port1 = 1; |
3543 | priv->v2p.port2 = 2; | |
3544 | ||
225c7b1f RD |
3545 | err = mlx4_register_device(dev); |
3546 | if (err) | |
7ff93f8b | 3547 | goto err_port; |
225c7b1f | 3548 | |
b046ffe5 EP |
3549 | mlx4_request_modules(dev); |
3550 | ||
27bf91d6 YP |
3551 | mlx4_sense_init(dev); |
3552 | mlx4_start_sense(dev); | |
3553 | ||
befdf897 | 3554 | priv->removed = 0; |
225c7b1f | 3555 | |
55ad3592 | 3556 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
e1a5ddc5 AV |
3557 | atomic_dec(&pf_loading); |
3558 | ||
da315679 | 3559 | kfree(dev_cap); |
225c7b1f RD |
3560 | return 0; |
3561 | ||
7ff93f8b | 3562 | err_port: |
b4f77264 | 3563 | for (--port; port >= 1; --port) |
7ff93f8b YP |
3564 | mlx4_cleanup_port_info(&priv->port[port]); |
3565 | ||
6de5f7f6 | 3566 | mlx4_cleanup_default_counters(dev); |
2632d18d EBE |
3567 | if (!mlx4_is_slave(dev)) |
3568 | mlx4_cleanup_counters_table(dev); | |
225c7b1f RD |
3569 | mlx4_cleanup_qp_table(dev); |
3570 | mlx4_cleanup_srq_table(dev); | |
3571 | mlx4_cleanup_cq_table(dev); | |
3572 | mlx4_cmd_use_polling(dev); | |
3573 | mlx4_cleanup_eq_table(dev); | |
fe6f700d | 3574 | mlx4_cleanup_mcg_table(dev); |
225c7b1f | 3575 | mlx4_cleanup_mr_table(dev); |
012a8ff5 | 3576 | mlx4_cleanup_xrcd_table(dev); |
225c7b1f RD |
3577 | mlx4_cleanup_pd_table(dev); |
3578 | mlx4_cleanup_uar_table(dev); | |
3579 | ||
b12d93d6 | 3580 | err_steer: |
ab9c17a0 JM |
3581 | if (!mlx4_is_slave(dev)) |
3582 | mlx4_clear_steering(dev); | |
b12d93d6 | 3583 | |
e1c00e10 MD |
3584 | err_disable_msix: |
3585 | if (dev->flags & MLX4_FLAG_MSI_X) | |
3586 | pci_disable_msix(pdev); | |
3587 | ||
b8dd786f YP |
3588 | err_free_eq: |
3589 | mlx4_free_eq_table(dev); | |
3590 | ||
ab9c17a0 | 3591 | err_master_mfunc: |
772103e6 JM |
3592 | if (mlx4_is_master(dev)) { |
3593 | mlx4_free_resource_tracker(dev, RES_TR_FREE_STRUCTS_ONLY); | |
ab9c17a0 | 3594 | mlx4_multi_func_cleanup(dev); |
772103e6 | 3595 | } |
ab9c17a0 | 3596 | |
b38f2879 | 3597 | if (mlx4_is_slave(dev)) { |
99ec41d0 | 3598 | kfree(dev->caps.qp0_qkey); |
b38f2879 DB |
3599 | kfree(dev->caps.qp0_tunnel); |
3600 | kfree(dev->caps.qp0_proxy); | |
3601 | kfree(dev->caps.qp1_tunnel); | |
3602 | kfree(dev->caps.qp1_proxy); | |
3603 | } | |
3604 | ||
225c7b1f RD |
3605 | err_close: |
3606 | mlx4_close_hca(dev); | |
3607 | ||
a0eacca9 MB |
3608 | err_fw: |
3609 | mlx4_close_fw(dev); | |
3610 | ||
ab9c17a0 JM |
3611 | err_mfunc: |
3612 | if (mlx4_is_slave(dev)) | |
3613 | mlx4_multi_func_cleanup(dev); | |
3614 | ||
225c7b1f | 3615 | err_cmd: |
ffc39f6d | 3616 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
225c7b1f | 3617 | |
ab9c17a0 | 3618 | err_sriov: |
55ad3592 | 3619 | if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs) { |
ab9c17a0 | 3620 | pci_disable_sriov(pdev); |
55ad3592 YH |
3621 | dev->flags &= ~MLX4_FLAG_SRIOV; |
3622 | } | |
ab9c17a0 | 3623 | |
55ad3592 | 3624 | if (mlx4_is_master(dev) && dev->persist->num_vfs && !reset_flow) |
e1a5ddc5 AV |
3625 | atomic_dec(&pf_loading); |
3626 | ||
1ab95d37 MB |
3627 | kfree(priv->dev.dev_vfs); |
3628 | ||
e1c00e10 MD |
3629 | if (!mlx4_is_slave(dev)) |
3630 | mlx4_free_ownership(dev); | |
3631 | ||
7ae0e400 | 3632 | kfree(dev_cap); |
e1c00e10 MD |
3633 | return err; |
3634 | } | |
3635 | ||
3636 | static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, | |
3637 | struct mlx4_priv *priv) | |
3638 | { | |
3639 | int err; | |
3640 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
3641 | int prb_vf[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
3642 | const int param_map[MLX4_MAX_PORTS + 1][MLX4_MAX_PORTS + 1] = { | |
3643 | {2, 0, 0}, {0, 1, 2}, {0, 1, 2} }; | |
3644 | unsigned total_vfs = 0; | |
3645 | unsigned int i; | |
3646 | ||
3647 | pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); | |
3648 | ||
4bfd2e6e | 3649 | err = mlx4_pci_enable_device(&priv->dev); |
e1c00e10 MD |
3650 | if (err) { |
3651 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); | |
3652 | return err; | |
3653 | } | |
3654 | ||
3655 | /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS | |
3656 | * per port, we must limit the number of VFs to 63 (since their are | |
3657 | * 128 MACs) | |
3658 | */ | |
3659 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && i < num_vfs_argc; | |
3660 | total_vfs += nvfs[param_map[num_vfs_argc - 1][i]], i++) { | |
3661 | nvfs[param_map[num_vfs_argc - 1][i]] = num_vfs[i]; | |
3662 | if (nvfs[i] < 0) { | |
3663 | dev_err(&pdev->dev, "num_vfs module parameter cannot be negative\n"); | |
3664 | err = -EINVAL; | |
3665 | goto err_disable_pdev; | |
3666 | } | |
3667 | } | |
3668 | for (i = 0; i < sizeof(prb_vf)/sizeof(prb_vf[0]) && i < probe_vfs_argc; | |
3669 | i++) { | |
3670 | prb_vf[param_map[probe_vfs_argc - 1][i]] = probe_vf[i]; | |
3671 | if (prb_vf[i] < 0 || prb_vf[i] > nvfs[i]) { | |
3672 | dev_err(&pdev->dev, "probe_vf module parameter cannot be negative or greater than num_vfs\n"); | |
3673 | err = -EINVAL; | |
3674 | goto err_disable_pdev; | |
3675 | } | |
3676 | } | |
0beb44b0 | 3677 | if (total_vfs > MLX4_MAX_NUM_VF) { |
e1c00e10 | 3678 | dev_err(&pdev->dev, |
0beb44b0 CS |
3679 | "Requested more VF's (%d) than allowed by hw (%d)\n", |
3680 | total_vfs, MLX4_MAX_NUM_VF); | |
e1c00e10 MD |
3681 | err = -EINVAL; |
3682 | goto err_disable_pdev; | |
3683 | } | |
3684 | ||
3685 | for (i = 0; i < MLX4_MAX_PORTS; i++) { | |
0beb44b0 | 3686 | if (nvfs[i] + nvfs[2] > MLX4_MAX_NUM_VF_P_PORT) { |
e1c00e10 | 3687 | dev_err(&pdev->dev, |
0beb44b0 | 3688 | "Requested more VF's (%d) for port (%d) than allowed by driver (%d)\n", |
e1c00e10 | 3689 | nvfs[i] + nvfs[2], i + 1, |
0beb44b0 | 3690 | MLX4_MAX_NUM_VF_P_PORT); |
e1c00e10 MD |
3691 | err = -EINVAL; |
3692 | goto err_disable_pdev; | |
3693 | } | |
3694 | } | |
3695 | ||
3696 | /* Check for BARs. */ | |
3697 | if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) && | |
3698 | !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
3699 | dev_err(&pdev->dev, "Missing DCS, aborting (driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n", | |
3700 | pci_dev_data, pci_resource_flags(pdev, 0)); | |
3701 | err = -ENODEV; | |
3702 | goto err_disable_pdev; | |
3703 | } | |
3704 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
3705 | dev_err(&pdev->dev, "Missing UAR, aborting\n"); | |
3706 | err = -ENODEV; | |
3707 | goto err_disable_pdev; | |
3708 | } | |
3709 | ||
3710 | err = pci_request_regions(pdev, DRV_NAME); | |
3711 | if (err) { | |
3712 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); | |
3713 | goto err_disable_pdev; | |
3714 | } | |
3715 | ||
3716 | pci_set_master(pdev); | |
3717 | ||
3718 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
3719 | if (err) { | |
3720 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); | |
3721 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); | |
3722 | if (err) { | |
3723 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); | |
3724 | goto err_release_regions; | |
3725 | } | |
3726 | } | |
3727 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
3728 | if (err) { | |
3729 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); | |
3730 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | |
3731 | if (err) { | |
3732 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, aborting\n"); | |
3733 | goto err_release_regions; | |
3734 | } | |
3735 | } | |
3736 | ||
3737 | /* Allow large DMA segments, up to the firmware limit of 1 GB */ | |
3738 | dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024); | |
3739 | /* Detect if this device is a virtual function */ | |
3740 | if (pci_dev_data & MLX4_PCI_DEV_IS_VF) { | |
3741 | /* When acting as pf, we normally skip vfs unless explicitly | |
3742 | * requested to probe them. | |
3743 | */ | |
3744 | if (total_vfs) { | |
3745 | unsigned vfs_offset = 0; | |
3746 | ||
3747 | for (i = 0; i < sizeof(nvfs)/sizeof(nvfs[0]) && | |
3748 | vfs_offset + nvfs[i] < extended_func_num(pdev); | |
3749 | vfs_offset += nvfs[i], i++) | |
3750 | ; | |
3751 | if (i == sizeof(nvfs)/sizeof(nvfs[0])) { | |
3752 | err = -ENODEV; | |
3753 | goto err_release_regions; | |
3754 | } | |
3755 | if ((extended_func_num(pdev) - vfs_offset) | |
3756 | > prb_vf[i]) { | |
3757 | dev_warn(&pdev->dev, "Skipping virtual function:%d\n", | |
3758 | extended_func_num(pdev)); | |
3759 | err = -ENODEV; | |
3760 | goto err_release_regions; | |
3761 | } | |
3762 | } | |
3763 | } | |
3764 | ||
ad9a0bf0 | 3765 | err = mlx4_catas_init(&priv->dev); |
e1c00e10 MD |
3766 | if (err) |
3767 | goto err_release_regions; | |
ad9a0bf0 | 3768 | |
55ad3592 | 3769 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 0); |
ad9a0bf0 YH |
3770 | if (err) |
3771 | goto err_catas; | |
3772 | ||
e1c00e10 | 3773 | return 0; |
225c7b1f | 3774 | |
ad9a0bf0 YH |
3775 | err_catas: |
3776 | mlx4_catas_end(&priv->dev); | |
3777 | ||
a01df0fe RD |
3778 | err_release_regions: |
3779 | pci_release_regions(pdev); | |
225c7b1f RD |
3780 | |
3781 | err_disable_pdev: | |
4bfd2e6e | 3782 | mlx4_pci_disable_device(&priv->dev); |
225c7b1f RD |
3783 | pci_set_drvdata(pdev, NULL); |
3784 | return err; | |
3785 | } | |
3786 | ||
b2facd95 JP |
3787 | static int mlx4_devlink_port_type_set(struct devlink_port *devlink_port, |
3788 | enum devlink_port_type port_type) | |
3789 | { | |
3790 | struct mlx4_port_info *info = container_of(devlink_port, | |
3791 | struct mlx4_port_info, | |
3792 | devlink_port); | |
3793 | enum mlx4_port_type mlx4_port_type; | |
3794 | ||
3795 | switch (port_type) { | |
3796 | case DEVLINK_PORT_TYPE_AUTO: | |
3797 | mlx4_port_type = MLX4_PORT_TYPE_AUTO; | |
3798 | break; | |
3799 | case DEVLINK_PORT_TYPE_ETH: | |
3800 | mlx4_port_type = MLX4_PORT_TYPE_ETH; | |
3801 | break; | |
3802 | case DEVLINK_PORT_TYPE_IB: | |
3803 | mlx4_port_type = MLX4_PORT_TYPE_IB; | |
3804 | break; | |
3805 | default: | |
3806 | return -EOPNOTSUPP; | |
3807 | } | |
3808 | ||
3809 | return __set_port_type(info, mlx4_port_type); | |
3810 | } | |
3811 | ||
3812 | static const struct devlink_ops mlx4_devlink_ops = { | |
3813 | .port_type_set = mlx4_devlink_port_type_set, | |
3814 | }; | |
3815 | ||
1dd06ae8 | 3816 | static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
3d73c288 | 3817 | { |
09d4d087 | 3818 | struct devlink *devlink; |
befdf897 WY |
3819 | struct mlx4_priv *priv; |
3820 | struct mlx4_dev *dev; | |
e1c00e10 | 3821 | int ret; |
befdf897 | 3822 | |
0a645e80 | 3823 | printk_once(KERN_INFO "%s", mlx4_version); |
3d73c288 | 3824 | |
b2facd95 | 3825 | devlink = devlink_alloc(&mlx4_devlink_ops, sizeof(*priv)); |
09d4d087 | 3826 | if (!devlink) |
befdf897 | 3827 | return -ENOMEM; |
09d4d087 | 3828 | priv = devlink_priv(devlink); |
befdf897 WY |
3829 | |
3830 | dev = &priv->dev; | |
872bf2fb YH |
3831 | dev->persist = kzalloc(sizeof(*dev->persist), GFP_KERNEL); |
3832 | if (!dev->persist) { | |
09d4d087 JP |
3833 | ret = -ENOMEM; |
3834 | goto err_devlink_free; | |
872bf2fb YH |
3835 | } |
3836 | dev->persist->pdev = pdev; | |
3837 | dev->persist->dev = dev; | |
3838 | pci_set_drvdata(pdev, dev->persist); | |
befdf897 | 3839 | priv->pci_dev_data = id->driver_data; |
f6bc11e4 | 3840 | mutex_init(&dev->persist->device_state_mutex); |
c69453e2 | 3841 | mutex_init(&dev->persist->interface_state_mutex); |
4bfd2e6e | 3842 | mutex_init(&dev->persist->pci_status_mutex); |
befdf897 | 3843 | |
09d4d087 JP |
3844 | ret = devlink_register(devlink, &pdev->dev); |
3845 | if (ret) | |
3846 | goto err_persist_free; | |
3847 | ||
e1c00e10 | 3848 | ret = __mlx4_init_one(pdev, id->driver_data, priv); |
09d4d087 JP |
3849 | if (ret) |
3850 | goto err_devlink_unregister; | |
2ba5fbd6 | 3851 | |
09d4d087 JP |
3852 | pci_save_state(pdev); |
3853 | return 0; | |
3854 | ||
3855 | err_devlink_unregister: | |
3856 | devlink_unregister(devlink); | |
3857 | err_persist_free: | |
3858 | kfree(dev->persist); | |
3859 | err_devlink_free: | |
3860 | devlink_free(devlink); | |
e1c00e10 | 3861 | return ret; |
3d73c288 RD |
3862 | } |
3863 | ||
dd0eefe3 YH |
3864 | static void mlx4_clean_dev(struct mlx4_dev *dev) |
3865 | { | |
3866 | struct mlx4_dev_persistent *persist = dev->persist; | |
3867 | struct mlx4_priv *priv = mlx4_priv(dev); | |
55ad3592 | 3868 | unsigned long flags = (dev->flags & RESET_PERSIST_MASK_FLAGS); |
dd0eefe3 YH |
3869 | |
3870 | memset(priv, 0, sizeof(*priv)); | |
3871 | priv->dev.persist = persist; | |
55ad3592 | 3872 | priv->dev.flags = flags; |
dd0eefe3 YH |
3873 | } |
3874 | ||
e1c00e10 | 3875 | static void mlx4_unload_one(struct pci_dev *pdev) |
225c7b1f | 3876 | { |
872bf2fb YH |
3877 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3878 | struct mlx4_dev *dev = persist->dev; | |
225c7b1f | 3879 | struct mlx4_priv *priv = mlx4_priv(dev); |
befdf897 | 3880 | int pci_dev_data; |
dd0eefe3 | 3881 | int p, i; |
225c7b1f | 3882 | |
befdf897 WY |
3883 | if (priv->removed) |
3884 | return; | |
225c7b1f | 3885 | |
dd0eefe3 YH |
3886 | /* saving current ports type for further use */ |
3887 | for (i = 0; i < dev->caps.num_ports; i++) { | |
3888 | dev->persist->curr_port_type[i] = dev->caps.port_type[i + 1]; | |
3889 | dev->persist->curr_port_poss_type[i] = dev->caps. | |
3890 | possible_type[i + 1]; | |
3891 | } | |
3892 | ||
befdf897 | 3893 | pci_dev_data = priv->pci_dev_data; |
225c7b1f | 3894 | |
befdf897 WY |
3895 | mlx4_stop_sense(dev); |
3896 | mlx4_unregister_device(dev); | |
225c7b1f | 3897 | |
befdf897 WY |
3898 | for (p = 1; p <= dev->caps.num_ports; p++) { |
3899 | mlx4_cleanup_port_info(&priv->port[p]); | |
3900 | mlx4_CLOSE_PORT(dev, p); | |
3901 | } | |
3902 | ||
3903 | if (mlx4_is_master(dev)) | |
3904 | mlx4_free_resource_tracker(dev, | |
3905 | RES_TR_FREE_SLAVES_ONLY); | |
3906 | ||
6de5f7f6 | 3907 | mlx4_cleanup_default_counters(dev); |
2632d18d EBE |
3908 | if (!mlx4_is_slave(dev)) |
3909 | mlx4_cleanup_counters_table(dev); | |
befdf897 WY |
3910 | mlx4_cleanup_qp_table(dev); |
3911 | mlx4_cleanup_srq_table(dev); | |
3912 | mlx4_cleanup_cq_table(dev); | |
3913 | mlx4_cmd_use_polling(dev); | |
3914 | mlx4_cleanup_eq_table(dev); | |
3915 | mlx4_cleanup_mcg_table(dev); | |
3916 | mlx4_cleanup_mr_table(dev); | |
3917 | mlx4_cleanup_xrcd_table(dev); | |
3918 | mlx4_cleanup_pd_table(dev); | |
225c7b1f | 3919 | |
befdf897 WY |
3920 | if (mlx4_is_master(dev)) |
3921 | mlx4_free_resource_tracker(dev, | |
3922 | RES_TR_FREE_STRUCTS_ONLY); | |
47605df9 | 3923 | |
befdf897 WY |
3924 | iounmap(priv->kar); |
3925 | mlx4_uar_free(dev, &priv->driver_uar); | |
3926 | mlx4_cleanup_uar_table(dev); | |
3927 | if (!mlx4_is_slave(dev)) | |
3928 | mlx4_clear_steering(dev); | |
3929 | mlx4_free_eq_table(dev); | |
3930 | if (mlx4_is_master(dev)) | |
3931 | mlx4_multi_func_cleanup(dev); | |
3932 | mlx4_close_hca(dev); | |
a0eacca9 | 3933 | mlx4_close_fw(dev); |
befdf897 WY |
3934 | if (mlx4_is_slave(dev)) |
3935 | mlx4_multi_func_cleanup(dev); | |
ffc39f6d | 3936 | mlx4_cmd_cleanup(dev, MLX4_CMD_CLEANUP_ALL); |
47605df9 | 3937 | |
befdf897 WY |
3938 | if (dev->flags & MLX4_FLAG_MSI_X) |
3939 | pci_disable_msix(pdev); | |
befdf897 WY |
3940 | |
3941 | if (!mlx4_is_slave(dev)) | |
3942 | mlx4_free_ownership(dev); | |
3943 | ||
99ec41d0 | 3944 | kfree(dev->caps.qp0_qkey); |
befdf897 WY |
3945 | kfree(dev->caps.qp0_tunnel); |
3946 | kfree(dev->caps.qp0_proxy); | |
3947 | kfree(dev->caps.qp1_tunnel); | |
3948 | kfree(dev->caps.qp1_proxy); | |
3949 | kfree(dev->dev_vfs); | |
3950 | ||
dd0eefe3 | 3951 | mlx4_clean_dev(dev); |
befdf897 WY |
3952 | priv->pci_dev_data = pci_dev_data; |
3953 | priv->removed = 1; | |
3954 | } | |
3955 | ||
3956 | static void mlx4_remove_one(struct pci_dev *pdev) | |
3957 | { | |
872bf2fb YH |
3958 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
3959 | struct mlx4_dev *dev = persist->dev; | |
befdf897 | 3960 | struct mlx4_priv *priv = mlx4_priv(dev); |
09d4d087 | 3961 | struct devlink *devlink = priv_to_devlink(priv); |
55ad3592 | 3962 | int active_vfs = 0; |
befdf897 | 3963 | |
4cbe4dac JM |
3964 | if (mlx4_is_slave(dev)) |
3965 | persist->interface_state |= MLX4_INTERFACE_STATE_NOWAIT; | |
3966 | ||
c69453e2 YH |
3967 | mutex_lock(&persist->interface_state_mutex); |
3968 | persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; | |
3969 | mutex_unlock(&persist->interface_state_mutex); | |
3970 | ||
55ad3592 YH |
3971 | /* Disabling SR-IOV is not allowed while there are active vf's */ |
3972 | if (mlx4_is_master(dev) && dev->flags & MLX4_FLAG_SRIOV) { | |
3973 | active_vfs = mlx4_how_many_lives_vf(dev); | |
3974 | if (active_vfs) { | |
3975 | pr_warn("Removing PF when there are active VF's !!\n"); | |
3976 | pr_warn("Will not disable SR-IOV.\n"); | |
3977 | } | |
3978 | } | |
3979 | ||
c69453e2 YH |
3980 | /* device marked to be under deletion running now without the lock |
3981 | * letting other tasks to be terminated | |
3982 | */ | |
3983 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
3984 | mlx4_unload_one(pdev); | |
3985 | else | |
3986 | mlx4_info(dev, "%s: interface is down\n", __func__); | |
ad9a0bf0 | 3987 | mlx4_catas_end(dev); |
55ad3592 YH |
3988 | if (dev->flags & MLX4_FLAG_SRIOV && !active_vfs) { |
3989 | mlx4_warn(dev, "Disabling SR-IOV\n"); | |
3990 | pci_disable_sriov(pdev); | |
3991 | } | |
3992 | ||
e1c00e10 | 3993 | pci_release_regions(pdev); |
4bfd2e6e | 3994 | mlx4_pci_disable_device(dev); |
09d4d087 | 3995 | devlink_unregister(devlink); |
872bf2fb | 3996 | kfree(dev->persist); |
09d4d087 | 3997 | devlink_free(devlink); |
befdf897 | 3998 | pci_set_drvdata(pdev, NULL); |
225c7b1f RD |
3999 | } |
4000 | ||
dd0eefe3 YH |
4001 | static int restore_current_port_types(struct mlx4_dev *dev, |
4002 | enum mlx4_port_type *types, | |
4003 | enum mlx4_port_type *poss_types) | |
4004 | { | |
4005 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4006 | int err, i; | |
4007 | ||
4008 | mlx4_stop_sense(dev); | |
4009 | ||
4010 | mutex_lock(&priv->port_mutex); | |
4011 | for (i = 0; i < dev->caps.num_ports; i++) | |
4012 | dev->caps.possible_type[i + 1] = poss_types[i]; | |
4013 | err = mlx4_change_port_types(dev, types); | |
4014 | mlx4_start_sense(dev); | |
4015 | mutex_unlock(&priv->port_mutex); | |
4016 | ||
4017 | return err; | |
4018 | } | |
4019 | ||
ee49bd93 JM |
4020 | int mlx4_restart_one(struct pci_dev *pdev) |
4021 | { | |
872bf2fb YH |
4022 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4023 | struct mlx4_dev *dev = persist->dev; | |
839f1243 | 4024 | struct mlx4_priv *priv = mlx4_priv(dev); |
e1c00e10 MD |
4025 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; |
4026 | int pci_dev_data, err, total_vfs; | |
839f1243 RD |
4027 | |
4028 | pci_dev_data = priv->pci_dev_data; | |
872bf2fb YH |
4029 | total_vfs = dev->persist->num_vfs; |
4030 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
e1c00e10 MD |
4031 | |
4032 | mlx4_unload_one(pdev); | |
55ad3592 | 4033 | err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv, 1); |
e1c00e10 MD |
4034 | if (err) { |
4035 | mlx4_err(dev, "%s: ERROR: mlx4_load_one failed, pci_name=%s, err=%d\n", | |
4036 | __func__, pci_name(pdev), err); | |
4037 | return err; | |
4038 | } | |
4039 | ||
dd0eefe3 YH |
4040 | err = restore_current_port_types(dev, dev->persist->curr_port_type, |
4041 | dev->persist->curr_port_poss_type); | |
4042 | if (err) | |
4043 | mlx4_err(dev, "could not restore original port types (%d)\n", | |
4044 | err); | |
4045 | ||
e1c00e10 | 4046 | return err; |
ee49bd93 JM |
4047 | } |
4048 | ||
c19e4b90 BH |
4049 | #define MLX_SP(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_FORCE_SENSE_PORT } |
4050 | #define MLX_VF(id) { PCI_VDEVICE(MELLANOX, id), MLX4_PCI_DEV_IS_VF } | |
4051 | #define MLX_GN(id) { PCI_VDEVICE(MELLANOX, id), 0 } | |
4052 | ||
9baa3c34 | 4053 | static const struct pci_device_id mlx4_pci_table[] = { |
c19e4b90 BH |
4054 | /* MT25408 "Hermon" */ |
4055 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_SDR), /* SDR */ | |
4056 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR), /* DDR */ | |
4057 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_QDR), /* QDR */ | |
4058 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_DDR_GEN2), /* DDR Gen2 */ | |
4059 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_QDR_GEN2), /* QDR Gen2 */ | |
4060 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_EN), /* EN 10GigE */ | |
4061 | MLX_SP(PCI_DEVICE_ID_MELLANOX_HERMON_EN_GEN2), /* EN 10GigE Gen2 */ | |
4062 | /* MT25458 ConnectX EN 10GBASE-T */ | |
4063 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN), | |
4064 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_T_GEN2), /* Gen2 */ | |
4065 | /* MT26468 ConnectX EN 10GigE PCIe Gen2*/ | |
4066 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_GEN2), | |
4067 | /* MT26438 ConnectX EN 40GigE PCIe Gen2 5GT/s */ | |
4068 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX_EN_5_GEN2), | |
4069 | /* MT26478 ConnectX2 40GigE PCIe Gen2 */ | |
4070 | MLX_SP(PCI_DEVICE_ID_MELLANOX_CONNECTX2), | |
4071 | /* MT25400 Family [ConnectX-2] */ | |
4072 | MLX_VF(0x1002), /* Virtual Function */ | |
ab9c17a0 | 4073 | /* MT27500 Family [ConnectX-3] */ |
c19e4b90 BH |
4074 | MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3), |
4075 | MLX_VF(0x1004), /* Virtual Function */ | |
4076 | MLX_GN(0x1005), /* MT27510 Family */ | |
4077 | MLX_GN(0x1006), /* MT27511 Family */ | |
4078 | MLX_GN(PCI_DEVICE_ID_MELLANOX_CONNECTX3_PRO), /* MT27520 Family */ | |
4079 | MLX_GN(0x1008), /* MT27521 Family */ | |
4080 | MLX_GN(0x1009), /* MT27530 Family */ | |
4081 | MLX_GN(0x100a), /* MT27531 Family */ | |
4082 | MLX_GN(0x100b), /* MT27540 Family */ | |
4083 | MLX_GN(0x100c), /* MT27541 Family */ | |
4084 | MLX_GN(0x100d), /* MT27550 Family */ | |
4085 | MLX_GN(0x100e), /* MT27551 Family */ | |
4086 | MLX_GN(0x100f), /* MT27560 Family */ | |
4087 | MLX_GN(0x1010), /* MT27561 Family */ | |
4088 | ||
4089 | /* | |
4090 | * See the mellanox_check_broken_intx_masking() quirk when | |
4091 | * adding devices | |
4092 | */ | |
4093 | ||
225c7b1f RD |
4094 | { 0, } |
4095 | }; | |
4096 | ||
4097 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
4098 | ||
57dbf29a KSS |
4099 | static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, |
4100 | pci_channel_state_t state) | |
4101 | { | |
2ba5fbd6 YH |
4102 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4103 | ||
4104 | mlx4_err(persist->dev, "mlx4_pci_err_detected was called\n"); | |
4105 | mlx4_enter_error_state(persist); | |
57dbf29a | 4106 | |
2ba5fbd6 YH |
4107 | mutex_lock(&persist->interface_state_mutex); |
4108 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) | |
4109 | mlx4_unload_one(pdev); | |
4110 | ||
4111 | mutex_unlock(&persist->interface_state_mutex); | |
4112 | if (state == pci_channel_io_perm_failure) | |
4113 | return PCI_ERS_RESULT_DISCONNECT; | |
4114 | ||
4bfd2e6e | 4115 | mlx4_pci_disable_device(persist->dev); |
2ba5fbd6 | 4116 | return PCI_ERS_RESULT_NEED_RESET; |
57dbf29a KSS |
4117 | } |
4118 | ||
4119 | static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) | |
4120 | { | |
2ba5fbd6 YH |
4121 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); |
4122 | struct mlx4_dev *dev = persist->dev; | |
c12833ac | 4123 | int err; |
97a5221f | 4124 | |
2ba5fbd6 | 4125 | mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); |
4bfd2e6e | 4126 | err = mlx4_pci_enable_device(dev); |
c12833ac DJ |
4127 | if (err) { |
4128 | mlx4_err(dev, "Can not re-enable device, err=%d\n", err); | |
2ba5fbd6 YH |
4129 | return PCI_ERS_RESULT_DISCONNECT; |
4130 | } | |
4131 | ||
4132 | pci_set_master(pdev); | |
4133 | pci_restore_state(pdev); | |
4134 | pci_save_state(pdev); | |
c12833ac DJ |
4135 | return PCI_ERS_RESULT_RECOVERED; |
4136 | } | |
4137 | ||
4138 | static void mlx4_pci_resume(struct pci_dev *pdev) | |
4139 | { | |
4140 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
4141 | struct mlx4_dev *dev = persist->dev; | |
4142 | struct mlx4_priv *priv = mlx4_priv(dev); | |
4143 | int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; | |
4144 | int total_vfs; | |
4145 | int err; | |
2ba5fbd6 | 4146 | |
c12833ac | 4147 | mlx4_err(dev, "%s was called\n", __func__); |
2ba5fbd6 YH |
4148 | total_vfs = dev->persist->num_vfs; |
4149 | memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); | |
4150 | ||
4151 | mutex_lock(&persist->interface_state_mutex); | |
4152 | if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { | |
c12833ac | 4153 | err = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, |
55ad3592 | 4154 | priv, 1); |
c12833ac DJ |
4155 | if (err) { |
4156 | mlx4_err(dev, "%s: mlx4_load_one failed, err=%d\n", | |
4157 | __func__, err); | |
2ba5fbd6 YH |
4158 | goto end; |
4159 | } | |
4160 | ||
c12833ac | 4161 | err = restore_current_port_types(dev, dev->persist-> |
2ba5fbd6 YH |
4162 | curr_port_type, dev->persist-> |
4163 | curr_port_poss_type); | |
c12833ac DJ |
4164 | if (err) |
4165 | mlx4_err(dev, "could not restore original port types (%d)\n", err); | |
2ba5fbd6 YH |
4166 | } |
4167 | end: | |
4168 | mutex_unlock(&persist->interface_state_mutex); | |
57dbf29a | 4169 | |
57dbf29a KSS |
4170 | } |
4171 | ||
2ba5fbd6 YH |
4172 | static void mlx4_shutdown(struct pci_dev *pdev) |
4173 | { | |
4174 | struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); | |
4175 | ||
4176 | mlx4_info(persist->dev, "mlx4_shutdown was called\n"); | |
4177 | mutex_lock(&persist->interface_state_mutex); | |
b4353708 | 4178 | if (persist->interface_state & MLX4_INTERFACE_STATE_UP) |
2ba5fbd6 YH |
4179 | mlx4_unload_one(pdev); |
4180 | mutex_unlock(&persist->interface_state_mutex); | |
4181 | } | |
4182 | ||
3646f0e5 | 4183 | static const struct pci_error_handlers mlx4_err_handler = { |
57dbf29a KSS |
4184 | .error_detected = mlx4_pci_err_detected, |
4185 | .slot_reset = mlx4_pci_slot_reset, | |
c12833ac | 4186 | .resume = mlx4_pci_resume, |
57dbf29a KSS |
4187 | }; |
4188 | ||
225c7b1f RD |
4189 | static struct pci_driver mlx4_driver = { |
4190 | .name = DRV_NAME, | |
4191 | .id_table = mlx4_pci_table, | |
4192 | .probe = mlx4_init_one, | |
2ba5fbd6 | 4193 | .shutdown = mlx4_shutdown, |
f57e6848 | 4194 | .remove = mlx4_remove_one, |
57dbf29a | 4195 | .err_handler = &mlx4_err_handler, |
225c7b1f RD |
4196 | }; |
4197 | ||
7ff93f8b YP |
4198 | static int __init mlx4_verify_params(void) |
4199 | { | |
4200 | if ((log_num_mac < 0) || (log_num_mac > 7)) { | |
c20862c8 | 4201 | pr_warn("mlx4_core: bad num_mac: %d\n", log_num_mac); |
7ff93f8b YP |
4202 | return -1; |
4203 | } | |
4204 | ||
cb29688a | 4205 | if (log_num_vlan != 0) |
c20862c8 AV |
4206 | pr_warn("mlx4_core: log_num_vlan - obsolete module param, using %d\n", |
4207 | MLX4_LOG_NUM_VLANS); | |
7ff93f8b | 4208 | |
ecc8fb11 AV |
4209 | if (use_prio != 0) |
4210 | pr_warn("mlx4_core: use_prio - obsolete module param, ignored\n"); | |
7ff93f8b | 4211 | |
0498628f | 4212 | if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { |
c20862c8 AV |
4213 | pr_warn("mlx4_core: bad log_mtts_per_seg: %d\n", |
4214 | log_mtts_per_seg); | |
ab6bf42e EC |
4215 | return -1; |
4216 | } | |
4217 | ||
ab9c17a0 JM |
4218 | /* Check if module param for ports type has legal combination */ |
4219 | if (port_type_array[0] == false && port_type_array[1] == true) { | |
c20862c8 | 4220 | pr_warn("Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n"); |
ab9c17a0 JM |
4221 | port_type_array[0] = true; |
4222 | } | |
4223 | ||
7d077cd3 MB |
4224 | if (mlx4_log_num_mgm_entry_size < -7 || |
4225 | (mlx4_log_num_mgm_entry_size > 0 && | |
4226 | (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE || | |
4227 | mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE))) { | |
4228 | pr_warn("mlx4_core: mlx4_log_num_mgm_entry_size (%d) not in legal range (-7..0 or %d..%d)\n", | |
1a91de28 JP |
4229 | mlx4_log_num_mgm_entry_size, |
4230 | MLX4_MIN_MGM_LOG_ENTRY_SIZE, | |
4231 | MLX4_MAX_MGM_LOG_ENTRY_SIZE); | |
3c439b55 JM |
4232 | return -1; |
4233 | } | |
4234 | ||
7ff93f8b YP |
4235 | return 0; |
4236 | } | |
4237 | ||
225c7b1f RD |
4238 | static int __init mlx4_init(void) |
4239 | { | |
4240 | int ret; | |
4241 | ||
7ff93f8b YP |
4242 | if (mlx4_verify_params()) |
4243 | return -EINVAL; | |
4244 | ||
27bf91d6 YP |
4245 | |
4246 | mlx4_wq = create_singlethread_workqueue("mlx4"); | |
4247 | if (!mlx4_wq) | |
4248 | return -ENOMEM; | |
ee49bd93 | 4249 | |
225c7b1f | 4250 | ret = pci_register_driver(&mlx4_driver); |
1b85ee09 WY |
4251 | if (ret < 0) |
4252 | destroy_workqueue(mlx4_wq); | |
225c7b1f RD |
4253 | return ret < 0 ? ret : 0; |
4254 | } | |
4255 | ||
4256 | static void __exit mlx4_cleanup(void) | |
4257 | { | |
4258 | pci_unregister_driver(&mlx4_driver); | |
27bf91d6 | 4259 | destroy_workqueue(mlx4_wq); |
225c7b1f RD |
4260 | } |
4261 | ||
4262 | module_init(mlx4_init); | |
4263 | module_exit(mlx4_cleanup); |