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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net...
[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx4 / main.c
CommitLineData
225c7b1f
RD		 1/*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
51a379d0 4 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
225c7b1f
RD		 5 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * OpenIB.org BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
15 * conditions are met:
16 *
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer.
20 *
21 * - Redistributions in binary form must reproduce the above
22 * copyright notice, this list of conditions and the following
23 * disclaimer in the documentation and/or other materials
24 * provided with the distribution.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 * SOFTWARE.
34 */
35
36#include <linux/module.h>
37#include <linux/init.h>
38#include <linux/errno.h>
39#include <linux/pci.h>
40#include <linux/dma-mapping.h>
5a0e3ad6 41#include <linux/slab.h>
c1b43dca 42#include <linux/io-mapping.h>
ab9c17a0 43#include <linux/delay.h>
90b1ebe7 44#include <linux/netdevice.h>
b046ffe5 45#include <linux/kmod.h>
225c7b1f
RD		 46
47#include <linux/mlx4/device.h>
48#include <linux/mlx4/doorbell.h>
49
50#include "mlx4.h"
51#include "fw.h"
52#include "icm.h"
53
54MODULE_AUTHOR("Roland Dreier");
55MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver");
56MODULE_LICENSE("Dual BSD/GPL");
57MODULE_VERSION(DRV_VERSION);
58
27bf91d6
YP		 59struct workqueue_struct *mlx4_wq;
60
225c7b1f
RD		 61#ifdef CONFIG_MLX4_DEBUG
62
63int mlx4_debug_level = 0;
64module_param_named(debug_level, mlx4_debug_level, int, 0644);
65MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
66
67#endif /* CONFIG_MLX4_DEBUG */
68
69#ifdef CONFIG_PCI_MSI
70
08fb1055 71static int msi_x = 1;
225c7b1f
RD		 72module_param(msi_x, int, 0444);
73MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
74
75#else /* CONFIG_PCI_MSI */
76
77#define msi_x (0)
78
79#endif /* CONFIG_PCI_MSI */
80
ab9c17a0
JM		 81static int num_vfs;
82module_param(num_vfs, int, 0444);
83MODULE_PARM_DESC(num_vfs, "enable #num_vfs functions if num_vfs > 0");
84
85static int probe_vf;
86module_param(probe_vf, int, 0644);
87MODULE_PARM_DESC(probe_vf, "number of vfs to probe by pf driver (num_vfs > 0)");
88
3c439b55 89int mlx4_log_num_mgm_entry_size = MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE;
0ec2c0f8
EE		 90module_param_named(log_num_mgm_entry_size,
91 mlx4_log_num_mgm_entry_size, int, 0444);
92MODULE_PARM_DESC(log_num_mgm_entry_size, "log mgm size, that defines the num"
93 " of qp per mcg, for example:"
3c439b55 94 " 10 gives 248.range: 7 <="
0ff1fb65 95 " log_num_mgm_entry_size <= 12."
3c439b55
JM		 96 " To activate device managed"
97 " flow steering when available, set to -1");
0ec2c0f8 98
be902ab1 99static bool enable_64b_cqe_eqe = true;
08ff3235
OG		 100module_param(enable_64b_cqe_eqe, bool, 0444);
101MODULE_PARM_DESC(enable_64b_cqe_eqe,
be902ab1 102 "Enable 64 byte CQEs/EQEs when the FW supports this (default: True)");
08ff3235 103
ab9c17a0 104#define HCA_GLOBAL_CAP_MASK 0
08ff3235
OG		 105
106#define PF_CONTEXT_BEHAVIOUR_MASK MLX4_FUNC_CAP_64B_EQE_CQE
ab9c17a0 107
f57e6848 108static char mlx4_version[] =
225c7b1f
RD		 109 DRV_NAME ": Mellanox ConnectX core driver v"
110 DRV_VERSION " (" DRV_RELDATE ")\n";
111
112static struct mlx4_profile default_profile = {
ab9c17a0 113 .num_qp = 1 << 18,
225c7b1f 114 .num_srq = 1 << 16,
c9f2ba5e 115 .rdmarc_per_qp = 1 << 4,
225c7b1f
RD		 116 .num_cq = 1 << 16,
117 .num_mcg = 1 << 13,
ab9c17a0 118 .num_mpt = 1 << 19,
9fd7a1e1 119 .num_mtt = 1 << 20, /* It is really num mtt segements */
225c7b1f
RD		 120};
121
ab9c17a0 122static int log_num_mac = 7;
93fc9e1b
YP		 123module_param_named(log_num_mac, log_num_mac, int, 0444);
124MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
125
126static int log_num_vlan;
127module_param_named(log_num_vlan, log_num_vlan, int, 0444);
128MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)");
cb29688a
OG		 129/* Log2 max number of VLANs per ETH port (0-7) */
130#define MLX4_LOG_NUM_VLANS 7
93fc9e1b 131
eb939922 132static bool use_prio;
93fc9e1b
YP		 133module_param_named(use_prio, use_prio, bool, 0444);
134MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
135 "(0/1, default 0)");
136
2b8fb286 137int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
ab6bf42e 138module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
0498628f 139MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)");
ab6bf42e 140
8d0fc7b6 141static int port_type_array[2] = {MLX4_PORT_TYPE_NONE, MLX4_PORT_TYPE_NONE};
ab9c17a0
JM		 142static int arr_argc = 2;
143module_param_array(port_type_array, int, &arr_argc, 0444);
8d0fc7b6
YP		 144MODULE_PARM_DESC(port_type_array, "Array of port types: HW_DEFAULT (0) is default "
145 "1 for IB, 2 for Ethernet");
ab9c17a0
JM		 146
147struct mlx4_port_config {
148 struct list_head list;
149 enum mlx4_port_type port_type[MLX4_MAX_PORTS + 1];
150 struct pci_dev *pdev;
151};
152
27bf91d6
YP		 153int mlx4_check_port_params(struct mlx4_dev *dev,
154 enum mlx4_port_type *port_type)
7ff93f8b
YP		 155{
156 int i;
157
158 for (i = 0; i < dev->caps.num_ports - 1; i++) {
27bf91d6
YP		 159 if (port_type[i] != port_type[i + 1]) {
160 if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
161 mlx4_err(dev, "Only same port types supported "
162 "on this HCA, aborting.\n");
163 return -EINVAL;
164 }
7ff93f8b
YP		 165 }
166 }
7ff93f8b
YP		 167
168 for (i = 0; i < dev->caps.num_ports; i++) {
169 if (!(port_type[i] & dev->caps.supported_type[i+1])) {
170 mlx4_err(dev, "Requested port type for port %d is not "
171 "supported on this HCA\n", i + 1);
172 return -EINVAL;
173 }
174 }
175 return 0;
176}
177
178static void mlx4_set_port_mask(struct mlx4_dev *dev)
179{
180 int i;
181
7ff93f8b 182 for (i = 1; i <= dev->caps.num_ports; ++i)
65dab25d 183 dev->caps.port_mask[i] = dev->caps.port_type[i];
7ff93f8b 184}
f2a3f6a3 185
3d73c288 186static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
225c7b1f
RD		 187{
188 int err;
5ae2a7a8 189 int i;
225c7b1f
RD		 190
191 err = mlx4_QUERY_DEV_CAP(dev, dev_cap);
192 if (err) {
193 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
194 return err;
195 }
196
197 if (dev_cap->min_page_sz > PAGE_SIZE) {
198 mlx4_err(dev, "HCA minimum page size of %d bigger than "
199 "kernel PAGE_SIZE of %ld, aborting.\n",
200 dev_cap->min_page_sz, PAGE_SIZE);
201 return -ENODEV;
202 }
203 if (dev_cap->num_ports > MLX4_MAX_PORTS) {
204 mlx4_err(dev, "HCA has %d ports, but we only support %d, "
205 "aborting.\n",
206 dev_cap->num_ports, MLX4_MAX_PORTS);
207 return -ENODEV;
208 }
209
210 if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) {
211 mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than "
212 "PCI resource 2 size of 0x%llx, aborting.\n",
213 dev_cap->uar_size,
214 (unsigned long long) pci_resource_len(dev->pdev, 2));
215 return -ENODEV;
216 }
217
218 dev->caps.num_ports = dev_cap->num_ports;
3fc929e2 219 dev->phys_caps.num_phys_eqs = MLX4_MAX_EQ_NUM;
5ae2a7a8
RD		 220 for (i = 1; i <= dev->caps.num_ports; ++i) {
221 dev->caps.vl_cap[i] = dev_cap->max_vl[i];
b79acb49 222 dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i];
6634961c
JM		 223 dev->phys_caps.gid_phys_table_len[i] = dev_cap->max_gids[i];
224 dev->phys_caps.pkey_phys_table_len[i] = dev_cap->max_pkeys[i];
225 /* set gid and pkey table operating lengths by default
226 * to non-sriov values */
5ae2a7a8
RD		 227 dev->caps.gid_table_len[i] = dev_cap->max_gids[i];
228 dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
229 dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
b79acb49
YP		 230 dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i];
231 dev->caps.def_mac[i] = dev_cap->def_mac[i];
7ff93f8b 232 dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
8d0fc7b6
YP		 233 dev->caps.suggested_type[i] = dev_cap->suggested_type[i];
234 dev->caps.default_sense[i] = dev_cap->default_sense[i];
7699517d
YP		 235 dev->caps.trans_type[i] = dev_cap->trans_type[i];
236 dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i];
237 dev->caps.wavelength[i] = dev_cap->wavelength[i];
238 dev->caps.trans_code[i] = dev_cap->trans_code[i];
5ae2a7a8
RD		 239 }
240
ab9c17a0 241 dev->caps.uar_page_size = PAGE_SIZE;
225c7b1f 242 dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE;
225c7b1f
RD		 243 dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay;
244 dev->caps.bf_reg_size = dev_cap->bf_reg_size;
245 dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page;
246 dev->caps.max_sq_sg = dev_cap->max_sq_sg;
247 dev->caps.max_rq_sg = dev_cap->max_rq_sg;
248 dev->caps.max_wqes = dev_cap->max_qp_sz;
249 dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp;
225c7b1f
RD		 250 dev->caps.max_srq_wqes = dev_cap->max_srq_sz;
251 dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1;
252 dev->caps.reserved_srqs = dev_cap->reserved_srqs;
253 dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz;
254 dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz;
225c7b1f
RD		 255 /*
256 * Subtract 1 from the limit because we need to allocate a
257 * spare CQE so the HCA HW can tell the difference between an
258 * empty CQ and a full CQ.
259 */
260 dev->caps.max_cqes = dev_cap->max_cq_sz - 1;
261 dev->caps.reserved_cqs = dev_cap->reserved_cqs;
262 dev->caps.reserved_eqs = dev_cap->reserved_eqs;
2b8fb286 263 dev->caps.reserved_mtts = dev_cap->reserved_mtts;
225c7b1f 264 dev->caps.reserved_mrws = dev_cap->reserved_mrws;
ab9c17a0
JM		 265
266 /* The first 128 UARs are used for EQ doorbells */
267 dev->caps.reserved_uars = max_t(int, 128, dev_cap->reserved_uars);
225c7b1f 268 dev->caps.reserved_pds = dev_cap->reserved_pds;
012a8ff5
SH		 269 dev->caps.reserved_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ?
270 dev_cap->reserved_xrcds : 0;
271 dev->caps.max_xrcds = (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) ?
272 dev_cap->max_xrcds : 0;
2b8fb286
MA		 273 dev->caps.mtt_entry_sz = dev_cap->mtt_entry_sz;
274
149983af 275 dev->caps.max_msg_sz = dev_cap->max_msg_sz;
225c7b1f
RD		 276 dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
277 dev->caps.flags = dev_cap->flags;
b3416f44 278 dev->caps.flags2 = dev_cap->flags2;
95d04f07
RD		 279 dev->caps.bmme_flags = dev_cap->bmme_flags;
280 dev->caps.reserved_lkey = dev_cap->reserved_lkey;
225c7b1f 281 dev->caps.stat_rate_support = dev_cap->stat_rate_support;
b832be1e 282 dev->caps.max_gso_sz = dev_cap->max_gso_sz;
b3416f44 283 dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz;
225c7b1f 284
ca3e57a5
RD		 285 /* Sense port always allowed on supported devices for ConnectX-1 and -2 */
286 if (mlx4_priv(dev)->pci_dev_data & MLX4_PCI_DEV_FORCE_SENSE_PORT)
58a60168 287 dev->caps.flags |= MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
aadf4f3f
RD		 288 /* Don't do sense port on multifunction devices (for now at least) */
289 if (mlx4_is_mfunc(dev))
290 dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_SENSE_SUPPORT;
58a60168 291
93fc9e1b 292 dev->caps.log_num_macs = log_num_mac;
cb29688a 293 dev->caps.log_num_vlans = MLX4_LOG_NUM_VLANS;
93fc9e1b
YP		 294 dev->caps.log_num_prios = use_prio ? 3 : 0;
295
296 for (i = 1; i <= dev->caps.num_ports; ++i) {
ab9c17a0
JM		 297 dev->caps.port_type[i] = MLX4_PORT_TYPE_NONE;
298 if (dev->caps.supported_type[i]) {
299 /* if only ETH is supported - assign ETH */
300 if (dev->caps.supported_type[i] == MLX4_PORT_TYPE_ETH)
301 dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH;
105c320f 302 /* if only IB is supported, assign IB */
ab9c17a0 303 else if (dev->caps.supported_type[i] ==
105c320f
JM		 304 MLX4_PORT_TYPE_IB)
305 dev->caps.port_type[i] = MLX4_PORT_TYPE_IB;
ab9c17a0 306 else {
105c320f
JM		 307 /* if IB and ETH are supported, we set the port
308 * type according to user selection of port type;
309 * if user selected none, take the FW hint */
310 if (port_type_array[i - 1] == MLX4_PORT_TYPE_NONE)
8d0fc7b6
YP		 311 dev->caps.port_type[i] = dev->caps.suggested_type[i] ?
312 MLX4_PORT_TYPE_ETH : MLX4_PORT_TYPE_IB;
ab9c17a0 313 else
105c320f 314 dev->caps.port_type[i] = port_type_array[i - 1];
ab9c17a0
JM		 315 }
316 }
8d0fc7b6
YP		 317 /*
318 * Link sensing is allowed on the port if 3 conditions are true:
319 * 1. Both protocols are supported on the port.
320 * 2. Different types are supported on the port
321 * 3. FW declared that it supports link sensing
322 */
27bf91d6 323 mlx4_priv(dev)->sense.sense_allowed[i] =
58a60168 324 ((dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO) &&
8d0fc7b6 325 (dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) &&
58a60168 326 (dev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT));
7ff93f8b 327
8d0fc7b6
YP		 328 /*
329 * If "default_sense" bit is set, we move the port to "AUTO" mode
330 * and perform sense_port FW command to try and set the correct
331 * port type from beginning
332 */
46c46747 333 if (mlx4_priv(dev)->sense.sense_allowed[i] && dev->caps.default_sense[i]) {
8d0fc7b6
YP		 334 enum mlx4_port_type sensed_port = MLX4_PORT_TYPE_NONE;
335 dev->caps.possible_type[i] = MLX4_PORT_TYPE_AUTO;
336 mlx4_SENSE_PORT(dev, i, &sensed_port);
337 if (sensed_port != MLX4_PORT_TYPE_NONE)
338 dev->caps.port_type[i] = sensed_port;
339 } else {
340 dev->caps.possible_type[i] = dev->caps.port_type[i];
341 }
342
93fc9e1b
YP		 343 if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
344 dev->caps.log_num_macs = dev_cap->log_max_macs[i];
345 mlx4_warn(dev, "Requested number of MACs is too much "
346 "for port %d, reducing to %d.\n",
347 i, 1 << dev->caps.log_num_macs);
348 }
349 if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) {
350 dev->caps.log_num_vlans = dev_cap->log_max_vlans[i];
351 mlx4_warn(dev, "Requested number of VLANs is too much "
352 "for port %d, reducing to %d.\n",
353 i, 1 << dev->caps.log_num_vlans);
354 }
355 }
356
f2a3f6a3
OG		 357 dev->caps.max_counters = 1 << ilog2(dev_cap->max_counters);
358
93fc9e1b
YP		 359 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
360 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
361 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
362 (1 << dev->caps.log_num_macs) *
363 (1 << dev->caps.log_num_vlans) *
364 (1 << dev->caps.log_num_prios) *
365 dev->caps.num_ports;
366 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH;
367
368 dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] +
369 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] +
370 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] +
371 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH];
372
e2c76824 373 dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0;
08ff3235 374
b3051320 375 if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) {
08ff3235
OG		 376 if (dev_cap->flags &
377 (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) {
378 mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n");
379 dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_CQE;
380 dev->caps.flags &= ~MLX4_DEV_CAP_FLAG_64B_EQE;
381 }
382 }
383
f97b4b5d 384 if ((dev->caps.flags &
08ff3235
OG		 385 (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) &&
386 mlx4_is_master(dev))
387 dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE;
388
225c7b1f
RD		 389 return 0;
390}
ab9c17a0
JM		 391/*The function checks if there are live vf, return the num of them*/
392static int mlx4_how_many_lives_vf(struct mlx4_dev *dev)
393{
394 struct mlx4_priv *priv = mlx4_priv(dev);
395 struct mlx4_slave_state *s_state;
396 int i;
397 int ret = 0;
398
399 for (i = 1/*the ppf is 0*/; i < dev->num_slaves; ++i) {
400 s_state = &priv->mfunc.master.slave_state[i];
401 if (s_state->active && s_state->last_cmd !=
402 MLX4_COMM_CMD_RESET) {
403 mlx4_warn(dev, "%s: slave: %d is still active\n",
404 __func__, i);
405 ret++;
406 }
407 }
408 return ret;
409}
410
396f2feb
JM		 411int mlx4_get_parav_qkey(struct mlx4_dev *dev, u32 qpn, u32 *qkey)
412{
413 u32 qk = MLX4_RESERVED_QKEY_BASE;
47605df9
JM		 414
415 if (qpn >= dev->phys_caps.base_tunnel_sqpn + 8 * MLX4_MFUNC_MAX ||
416 qpn < dev->phys_caps.base_proxy_sqpn)
396f2feb
JM		 417 return -EINVAL;
418
47605df9 419 if (qpn >= dev->phys_caps.base_tunnel_sqpn)
396f2feb 420 /* tunnel qp */
47605df9 421 qk += qpn - dev->phys_caps.base_tunnel_sqpn;
396f2feb 422 else
47605df9 423 qk += qpn - dev->phys_caps.base_proxy_sqpn;
396f2feb
JM		 424 *qkey = qk;
425 return 0;
426}
427EXPORT_SYMBOL(mlx4_get_parav_qkey);
428
54679e14
JM		 429void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port, int i, int val)
430{
431 struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev);
432
433 if (!mlx4_is_master(dev))
434 return;
435
436 priv->virt2phys_pkey[slave][port - 1][i] = val;
437}
438EXPORT_SYMBOL(mlx4_sync_pkey_table);
439
afa8fd1d
JM		 440void mlx4_put_slave_node_guid(struct mlx4_dev *dev, int slave, __be64 guid)
441{
442 struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev);
443
444 if (!mlx4_is_master(dev))
445 return;
446
447 priv->slave_node_guids[slave] = guid;
448}
449EXPORT_SYMBOL(mlx4_put_slave_node_guid);
450
451__be64 mlx4_get_slave_node_guid(struct mlx4_dev *dev, int slave)
452{
453 struct mlx4_priv *priv = container_of(dev, struct mlx4_priv, dev);
454
455 if (!mlx4_is_master(dev))
456 return 0;
457
458 return priv->slave_node_guids[slave];
459}
460EXPORT_SYMBOL(mlx4_get_slave_node_guid);
461
e10903b0 462int mlx4_is_slave_active(struct mlx4_dev *dev, int slave)
ab9c17a0
JM		 463{
464 struct mlx4_priv *priv = mlx4_priv(dev);
465 struct mlx4_slave_state *s_slave;
466
467 if (!mlx4_is_master(dev))
468 return 0;
469
470 s_slave = &priv->mfunc.master.slave_state[slave];
471 return !!s_slave->active;
472}
473EXPORT_SYMBOL(mlx4_is_slave_active);
474
7b8157be
JM		 475static void slave_adjust_steering_mode(struct mlx4_dev *dev,
476 struct mlx4_dev_cap *dev_cap,
477 struct mlx4_init_hca_param *hca_param)
478{
479 dev->caps.steering_mode = hca_param->steering_mode;
480 if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) {
481 dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry;
482 dev->caps.fs_log_max_ucast_qp_range_size =
483 dev_cap->fs_log_max_ucast_qp_range_size;
484 } else
485 dev->caps.num_qp_per_mgm =
486 4 * ((1 << hca_param->log_mc_entry_sz)/16 - 2);
487
488 mlx4_dbg(dev, "Steering mode is: %s\n",
489 mlx4_steering_mode_str(dev->caps.steering_mode));
490}
491
ab9c17a0
JM		 492static int mlx4_slave_cap(struct mlx4_dev *dev)
493{
494 int err;
495 u32 page_size;
496 struct mlx4_dev_cap dev_cap;
497 struct mlx4_func_cap func_cap;
498 struct mlx4_init_hca_param hca_param;
499 int i;
500
501 memset(&hca_param, 0, sizeof(hca_param));
502 err = mlx4_QUERY_HCA(dev, &hca_param);
503 if (err) {
504 mlx4_err(dev, "QUERY_HCA command failed, aborting.\n");
505 return err;
506 }
507
508 /*fail if the hca has an unknown capability */
509 if ((hca_param.global_caps | HCA_GLOBAL_CAP_MASK) !=
510 HCA_GLOBAL_CAP_MASK) {
511 mlx4_err(dev, "Unknown hca global capabilities\n");
512 return -ENOSYS;
513 }
514
515 mlx4_log_num_mgm_entry_size = hca_param.log_mc_entry_sz;
516
ddd8a6c1
EE		 517 dev->caps.hca_core_clock = hca_param.hca_core_clock;
518
ab9c17a0 519 memset(&dev_cap, 0, sizeof(dev_cap));
b91cb3eb 520 dev->caps.max_qp_dest_rdma = 1 << hca_param.log_rd_per_qp;
ab9c17a0
JM		 521 err = mlx4_dev_cap(dev, &dev_cap);
522 if (err) {
523 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
524 return err;
525 }
526
b91cb3eb
JM		 527 err = mlx4_QUERY_FW(dev);
528 if (err)
529 mlx4_err(dev, "QUERY_FW command failed: could not get FW version.\n");
530
ab9c17a0
JM		 531 page_size = ~dev->caps.page_size_cap + 1;
532 mlx4_warn(dev, "HCA minimum page size:%d\n", page_size);
533 if (page_size > PAGE_SIZE) {
534 mlx4_err(dev, "HCA minimum page size of %d bigger than "
535 "kernel PAGE_SIZE of %ld, aborting.\n",
536 page_size, PAGE_SIZE);
537 return -ENODEV;
538 }
539
540 /* slave gets uar page size from QUERY_HCA fw command */
541 dev->caps.uar_page_size = 1 << (hca_param.uar_page_sz + 12);
542
543 /* TODO: relax this assumption */
544 if (dev->caps.uar_page_size != PAGE_SIZE) {
545 mlx4_err(dev, "UAR size:%d != kernel PAGE_SIZE of %ld\n",
546 dev->caps.uar_page_size, PAGE_SIZE);
547 return -ENODEV;
548 }
549
550 memset(&func_cap, 0, sizeof(func_cap));
47605df9 551 err = mlx4_QUERY_FUNC_CAP(dev, 0, &func_cap);
ab9c17a0 552 if (err) {
47605df9
JM		 553 mlx4_err(dev, "QUERY_FUNC_CAP general command failed, aborting (%d).\n",
554 err);
ab9c17a0
JM		 555 return err;
556 }
557
558 if ((func_cap.pf_context_behaviour | PF_CONTEXT_BEHAVIOUR_MASK) !=
559 PF_CONTEXT_BEHAVIOUR_MASK) {
560 mlx4_err(dev, "Unknown pf context behaviour\n");
561 return -ENOSYS;
562 }
563
ab9c17a0 564 dev->caps.num_ports = func_cap.num_ports;
5a0d0a61
JM		 565 dev->quotas.qp = func_cap.qp_quota;
566 dev->quotas.srq = func_cap.srq_quota;
567 dev->quotas.cq = func_cap.cq_quota;
568 dev->quotas.mpt = func_cap.mpt_quota;
569 dev->quotas.mtt = func_cap.mtt_quota;
570 dev->caps.num_qps = 1 << hca_param.log_num_qps;
571 dev->caps.num_srqs = 1 << hca_param.log_num_srqs;
572 dev->caps.num_cqs = 1 << hca_param.log_num_cqs;
573 dev->caps.num_mpts = 1 << hca_param.log_mpt_sz;
574 dev->caps.num_eqs = func_cap.max_eq;
575 dev->caps.reserved_eqs = func_cap.reserved_eq;
ab9c17a0
JM		 576 dev->caps.num_pds = MLX4_NUM_PDS;
577 dev->caps.num_mgms = 0;
578 dev->caps.num_amgms = 0;
579
ab9c17a0
JM		 580 if (dev->caps.num_ports > MLX4_MAX_PORTS) {
581 mlx4_err(dev, "HCA has %d ports, but we only support %d, "
582 "aborting.\n", dev->caps.num_ports, MLX4_MAX_PORTS);
583 return -ENODEV;
584 }
585
47605df9
JM		 586 dev->caps.qp0_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
587 dev->caps.qp0_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
588 dev->caps.qp1_tunnel = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
589 dev->caps.qp1_proxy = kcalloc(dev->caps.num_ports, sizeof (u32), GFP_KERNEL);
590
591 if (!dev->caps.qp0_tunnel || !dev->caps.qp0_proxy ||
592 !dev->caps.qp1_tunnel || !dev->caps.qp1_proxy) {
593 err = -ENOMEM;
594 goto err_mem;
595 }
596
6634961c 597 for (i = 1; i <= dev->caps.num_ports; ++i) {
47605df9
JM		 598 err = mlx4_QUERY_FUNC_CAP(dev, (u32) i, &func_cap);
599 if (err) {
600 mlx4_err(dev, "QUERY_FUNC_CAP port command failed for"
601 " port %d, aborting (%d).\n", i, err);
602 goto err_mem;
603 }
604 dev->caps.qp0_tunnel[i - 1] = func_cap.qp0_tunnel_qpn;
605 dev->caps.qp0_proxy[i - 1] = func_cap.qp0_proxy_qpn;
606 dev->caps.qp1_tunnel[i - 1] = func_cap.qp1_tunnel_qpn;
607 dev->caps.qp1_proxy[i - 1] = func_cap.qp1_proxy_qpn;
6230bb23 608 dev->caps.port_mask[i] = dev->caps.port_type[i];
8e1a28e8 609 dev->caps.phys_port_id[i] = func_cap.phys_port_id;
6634961c
JM		 610 if (mlx4_get_slave_pkey_gid_tbl_len(dev, i,
611 &dev->caps.gid_table_len[i],
612 &dev->caps.pkey_table_len[i]))
47605df9 613 goto err_mem;
6634961c 614 }
6230bb23 615
ab9c17a0
JM		 616 if (dev->caps.uar_page_size * (dev->caps.num_uars -
617 dev->caps.reserved_uars) >
618 pci_resource_len(dev->pdev, 2)) {
619 mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than "
620 "PCI resource 2 size of 0x%llx, aborting.\n",
621 dev->caps.uar_page_size * dev->caps.num_uars,
622 (unsigned long long) pci_resource_len(dev->pdev, 2));
47605df9 623 goto err_mem;
ab9c17a0
JM		 624 }
625
08ff3235
OG		 626 if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_EQE_ENABLED) {
627 dev->caps.eqe_size = 64;
628 dev->caps.eqe_factor = 1;
629 } else {
630 dev->caps.eqe_size = 32;
631 dev->caps.eqe_factor = 0;
632 }
633
634 if (hca_param.dev_cap_enabled & MLX4_DEV_CAP_64B_CQE_ENABLED) {
635 dev->caps.cqe_size = 64;
636 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE;
637 } else {
638 dev->caps.cqe_size = 32;
639 }
640
f9bd2d7f
AV		 641 dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS;
642 mlx4_warn(dev, "Timestamping is not supported in slave mode.\n");
643
7b8157be
JM		 644 slave_adjust_steering_mode(dev, &dev_cap, &hca_param);
645
ab9c17a0 646 return 0;
47605df9
JM		 647
648err_mem:
649 kfree(dev->caps.qp0_tunnel);
650 kfree(dev->caps.qp0_proxy);
651 kfree(dev->caps.qp1_tunnel);
652 kfree(dev->caps.qp1_proxy);
653 dev->caps.qp0_tunnel = dev->caps.qp0_proxy =
654 dev->caps.qp1_tunnel = dev->caps.qp1_proxy = NULL;
655
656 return err;
ab9c17a0 657}
225c7b1f 658
b046ffe5
EP		 659static void mlx4_request_modules(struct mlx4_dev *dev)
660{
661 int port;
662 int has_ib_port = false;
663 int has_eth_port = false;
664#define EN_DRV_NAME "mlx4_en"
665#define IB_DRV_NAME "mlx4_ib"
666
667 for (port = 1; port <= dev->caps.num_ports; port++) {
668 if (dev->caps.port_type[port] == MLX4_PORT_TYPE_IB)
669 has_ib_port = true;
670 else if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
671 has_eth_port = true;
672 }
673
674 if (has_ib_port)
675 request_module_nowait(IB_DRV_NAME);
676 if (has_eth_port)
677 request_module_nowait(EN_DRV_NAME);
678}
679
7ff93f8b
YP		 680/*
681 * Change the port configuration of the device.
682 * Every user of this function must hold the port mutex.
683 */
27bf91d6
YP		 684int mlx4_change_port_types(struct mlx4_dev *dev,
685 enum mlx4_port_type *port_types)
7ff93f8b
YP		 686{
687 int err = 0;
688 int change = 0;
689 int port;
690
691 for (port = 0; port < dev->caps.num_ports; port++) {
27bf91d6
YP		 692 /* Change the port type only if the new type is different
693 * from the current, and not set to Auto */
3d8f9308 694 if (port_types[port] != dev->caps.port_type[port + 1])
7ff93f8b 695 change = 1;
7ff93f8b
YP		 696 }
697 if (change) {
698 mlx4_unregister_device(dev);
699 for (port = 1; port <= dev->caps.num_ports; port++) {
700 mlx4_CLOSE_PORT(dev, port);
1e0f03d5 701 dev->caps.port_type[port] = port_types[port - 1];
6634961c 702 err = mlx4_SET_PORT(dev, port, -1);
7ff93f8b
YP		 703 if (err) {
704 mlx4_err(dev, "Failed to set port %d, "
705 "aborting\n", port);
706 goto out;
707 }
708 }
709 mlx4_set_port_mask(dev);
710 err = mlx4_register_device(dev);
b046ffe5
EP		 711 if (err) {
712 mlx4_err(dev, "Failed to register device\n");
713 goto out;
714 }
715 mlx4_request_modules(dev);
7ff93f8b
YP		 716 }
717
718out:
719 return err;
720}
721
722static ssize_t show_port_type(struct device *dev,
723 struct device_attribute *attr,
724 char *buf)
725{
726 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
727 port_attr);
728 struct mlx4_dev *mdev = info->dev;
27bf91d6
YP		 729 char type[8];
730
731 sprintf(type, "%s",
732 (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ?
733 "ib" : "eth");
734 if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO)
735 sprintf(buf, "auto (%s)\n", type);
736 else
737 sprintf(buf, "%s\n", type);
7ff93f8b 738
27bf91d6 739 return strlen(buf);
7ff93f8b
YP		 740}
741
742static ssize_t set_port_type(struct device *dev,
743 struct device_attribute *attr,
744 const char *buf, size_t count)
745{
746 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
747 port_attr);
748 struct mlx4_dev *mdev = info->dev;
749 struct mlx4_priv *priv = mlx4_priv(mdev);
750 enum mlx4_port_type types[MLX4_MAX_PORTS];
27bf91d6 751 enum mlx4_port_type new_types[MLX4_MAX_PORTS];
7ff93f8b
YP		 752 int i;
753 int err = 0;
754
755 if (!strcmp(buf, "ib\n"))
756 info->tmp_type = MLX4_PORT_TYPE_IB;
757 else if (!strcmp(buf, "eth\n"))
758 info->tmp_type = MLX4_PORT_TYPE_ETH;
27bf91d6
YP		 759 else if (!strcmp(buf, "auto\n"))
760 info->tmp_type = MLX4_PORT_TYPE_AUTO;
7ff93f8b
YP		 761 else {
762 mlx4_err(mdev, "%s is not supported port type\n", buf);
763 return -EINVAL;
764 }
765
27bf91d6 766 mlx4_stop_sense(mdev);
7ff93f8b 767 mutex_lock(&priv->port_mutex);
27bf91d6
YP		 768 /* Possible type is always the one that was delivered */
769 mdev->caps.possible_type[info->port] = info->tmp_type;
770
771 for (i = 0; i < mdev->caps.num_ports; i++) {
7ff93f8b 772 types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type :
27bf91d6
YP		 773 mdev->caps.possible_type[i+1];
774 if (types[i] == MLX4_PORT_TYPE_AUTO)
775 types[i] = mdev->caps.port_type[i+1];
776 }
7ff93f8b 777
58a60168
YP		 778 if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP) &&
779 !(mdev->caps.flags & MLX4_DEV_CAP_FLAG_SENSE_SUPPORT)) {
27bf91d6
YP		 780 for (i = 1; i <= mdev->caps.num_ports; i++) {
781 if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) {
782 mdev->caps.possible_type[i] = mdev->caps.port_type[i];
783 err = -EINVAL;
784 }
785 }
786 }
787 if (err) {
788 mlx4_err(mdev, "Auto sensing is not supported on this HCA. "
789 "Set only 'eth' or 'ib' for both ports "
790 "(should be the same)\n");
791 goto out;
792 }
793
794 mlx4_do_sense_ports(mdev, new_types, types);
795
796 err = mlx4_check_port_params(mdev, new_types);
7ff93f8b
YP		 797 if (err)
798 goto out;
799
27bf91d6
YP		 800 /* We are about to apply the changes after the configuration
801 * was verified, no need to remember the temporary types
802 * any more */
803 for (i = 0; i < mdev->caps.num_ports; i++)
804 priv->port[i + 1].tmp_type = 0;
7ff93f8b 805
27bf91d6 806 err = mlx4_change_port_types(mdev, new_types);
7ff93f8b
YP		 807
808out:
27bf91d6 809 mlx4_start_sense(mdev);
7ff93f8b
YP		 810 mutex_unlock(&priv->port_mutex);
811 return err ? err : count;
812}
813
096335b3
OG		 814enum ibta_mtu {
815 IB_MTU_256 = 1,
816 IB_MTU_512 = 2,
817 IB_MTU_1024 = 3,
818 IB_MTU_2048 = 4,
819 IB_MTU_4096 = 5
820};
821
822static inline int int_to_ibta_mtu(int mtu)
823{
824 switch (mtu) {
825 case 256: return IB_MTU_256;
826 case 512: return IB_MTU_512;
827 case 1024: return IB_MTU_1024;
828 case 2048: return IB_MTU_2048;
829 case 4096: return IB_MTU_4096;
830 default: return -1;
831 }
832}
833
834static inline int ibta_mtu_to_int(enum ibta_mtu mtu)
835{
836 switch (mtu) {
837 case IB_MTU_256: return 256;
838 case IB_MTU_512: return 512;
839 case IB_MTU_1024: return 1024;
840 case IB_MTU_2048: return 2048;
841 case IB_MTU_4096: return 4096;
842 default: return -1;
843 }
844}
845
846static ssize_t show_port_ib_mtu(struct device *dev,
847 struct device_attribute *attr,
848 char *buf)
849{
850 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
851 port_mtu_attr);
852 struct mlx4_dev *mdev = info->dev;
853
854 if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH)
855 mlx4_warn(mdev, "port level mtu is only used for IB ports\n");
856
857 sprintf(buf, "%d\n",
858 ibta_mtu_to_int(mdev->caps.port_ib_mtu[info->port]));
859 return strlen(buf);
860}
861
862static ssize_t set_port_ib_mtu(struct device *dev,
863 struct device_attribute *attr,
864 const char *buf, size_t count)
865{
866 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
867 port_mtu_attr);
868 struct mlx4_dev *mdev = info->dev;
869 struct mlx4_priv *priv = mlx4_priv(mdev);
870 int err, port, mtu, ibta_mtu = -1;
871
872 if (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_ETH) {
873 mlx4_warn(mdev, "port level mtu is only used for IB ports\n");
874 return -EINVAL;
875 }
876
618fad95
DB		 877 err = kstrtoint(buf, 0, &mtu);
878 if (!err)
096335b3
OG		 879 ibta_mtu = int_to_ibta_mtu(mtu);
880
618fad95 881 if (err || ibta_mtu < 0) {
096335b3
OG		 882 mlx4_err(mdev, "%s is invalid IBTA mtu\n", buf);
883 return -EINVAL;
884 }
885
886 mdev->caps.port_ib_mtu[info->port] = ibta_mtu;
887
888 mlx4_stop_sense(mdev);
889 mutex_lock(&priv->port_mutex);
890 mlx4_unregister_device(mdev);
891 for (port = 1; port <= mdev->caps.num_ports; port++) {
892 mlx4_CLOSE_PORT(mdev, port);
6634961c 893 err = mlx4_SET_PORT(mdev, port, -1);
096335b3
OG		 894 if (err) {
895 mlx4_err(mdev, "Failed to set port %d, "
896 "aborting\n", port);
897 goto err_set_port;
898 }
899 }
900 err = mlx4_register_device(mdev);
901err_set_port:
902 mutex_unlock(&priv->port_mutex);
903 mlx4_start_sense(mdev);
904 return err ? err : count;
905}
906
e8f9b2ed 907static int mlx4_load_fw(struct mlx4_dev *dev)
225c7b1f
RD		 908{
909 struct mlx4_priv *priv = mlx4_priv(dev);
910 int err;
911
912 priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages,
5b0bf5e2 913 GFP_HIGHUSER | __GFP_NOWARN, 0);
225c7b1f
RD		 914 if (!priv->fw.fw_icm) {
915 mlx4_err(dev, "Couldn't allocate FW area, aborting.\n");
916 return -ENOMEM;
917 }
918
919 err = mlx4_MAP_FA(dev, priv->fw.fw_icm);
920 if (err) {
921 mlx4_err(dev, "MAP_FA command failed, aborting.\n");
922 goto err_free;
923 }
924
925 err = mlx4_RUN_FW(dev);
926 if (err) {
927 mlx4_err(dev, "RUN_FW command failed, aborting.\n");
928 goto err_unmap_fa;
929 }
930
931 return 0;
932
933err_unmap_fa:
934 mlx4_UNMAP_FA(dev);
935
936err_free:
5b0bf5e2 937 mlx4_free_icm(dev, priv->fw.fw_icm, 0);
225c7b1f
RD		 938 return err;
939}
940
e8f9b2ed
RD		 941static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base,
942 int cmpt_entry_sz)
225c7b1f
RD		 943{
944 struct mlx4_priv *priv = mlx4_priv(dev);
945 int err;
ab9c17a0 946 int num_eqs;
225c7b1f
RD		 947
948 err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table,
949 cmpt_base +
950 ((u64) (MLX4_CMPT_TYPE_QP *
951 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
952 cmpt_entry_sz, dev->caps.num_qps,
93fc9e1b
YP		 953 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
954 0, 0);
225c7b1f
RD		 955 if (err)
956 goto err;
957
958 err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table,
959 cmpt_base +
960 ((u64) (MLX4_CMPT_TYPE_SRQ *
961 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
962 cmpt_entry_sz, dev->caps.num_srqs,
5b0bf5e2 963 dev->caps.reserved_srqs, 0, 0);
225c7b1f
RD		 964 if (err)
965 goto err_qp;
966
967 err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table,
968 cmpt_base +
969 ((u64) (MLX4_CMPT_TYPE_CQ *
970 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
971 cmpt_entry_sz, dev->caps.num_cqs,
5b0bf5e2 972 dev->caps.reserved_cqs, 0, 0);
225c7b1f
RD		 973 if (err)
974 goto err_srq;
975
3fc929e2
MA		 976 num_eqs = (mlx4_is_master(dev)) ? dev->phys_caps.num_phys_eqs :
977 dev->caps.num_eqs;
225c7b1f
RD		 978 err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table,
979 cmpt_base +
980 ((u64) (MLX4_CMPT_TYPE_EQ *
981 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
ab9c17a0 982 cmpt_entry_sz, num_eqs, num_eqs, 0, 0);
225c7b1f
RD		 983 if (err)
984 goto err_cq;
985
986 return 0;
987
988err_cq:
989 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
990
991err_srq:
992 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
993
994err_qp:
995 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
996
997err:
998 return err;
999}
1000
3d73c288
RD		 1001static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
1002 struct mlx4_init_hca_param *init_hca, u64 icm_size)
225c7b1f
RD		 1003{
1004 struct mlx4_priv *priv = mlx4_priv(dev);
1005 u64 aux_pages;
ab9c17a0 1006 int num_eqs;
225c7b1f
RD		 1007 int err;
1008
1009 err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages);
1010 if (err) {
1011 mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n");
1012 return err;
1013 }
1014
1015 mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n",
1016 (unsigned long long) icm_size >> 10,
1017 (unsigned long long) aux_pages << 2);
1018
1019 priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages,
5b0bf5e2 1020 GFP_HIGHUSER | __GFP_NOWARN, 0);
225c7b1f
RD		 1021 if (!priv->fw.aux_icm) {
1022 mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n");
1023 return -ENOMEM;
1024 }
1025
1026 err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm);
1027 if (err) {
1028 mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n");
1029 goto err_free_aux;
1030 }
1031
1032 err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz);
1033 if (err) {
1034 mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n");
1035 goto err_unmap_aux;
1036 }
1037
ab9c17a0 1038
3fc929e2
MA		 1039 num_eqs = (mlx4_is_master(dev)) ? dev->phys_caps.num_phys_eqs :
1040 dev->caps.num_eqs;
fa0681d2
RD		 1041 err = mlx4_init_icm_table(dev, &priv->eq_table.table,
1042 init_hca->eqc_base, dev_cap->eqc_entry_sz,
ab9c17a0 1043 num_eqs, num_eqs, 0, 0);
225c7b1f
RD		 1044 if (err) {
1045 mlx4_err(dev, "Failed to map EQ context memory, aborting.\n");
1046 goto err_unmap_cmpt;
1047 }
1048
d7bb58fb
JM		 1049 /*
1050 * Reserved MTT entries must be aligned up to a cacheline
1051 * boundary, since the FW will write to them, while the driver
1052 * writes to all other MTT entries. (The variable
1053 * dev->caps.mtt_entry_sz below is really the MTT segment
1054 * size, not the raw entry size)
1055 */
1056 dev->caps.reserved_mtts =
1057 ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz,
1058 dma_get_cache_alignment()) / dev->caps.mtt_entry_sz;
1059
225c7b1f
RD		 1060 err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table,
1061 init_hca->mtt_base,
1062 dev->caps.mtt_entry_sz,
2b8fb286 1063 dev->caps.num_mtts,
5b0bf5e2 1064 dev->caps.reserved_mtts, 1, 0);
225c7b1f
RD		 1065 if (err) {
1066 mlx4_err(dev, "Failed to map MTT context memory, aborting.\n");
1067 goto err_unmap_eq;
1068 }
1069
1070 err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table,
1071 init_hca->dmpt_base,
1072 dev_cap->dmpt_entry_sz,
1073 dev->caps.num_mpts,
5b0bf5e2 1074 dev->caps.reserved_mrws, 1, 1);
225c7b1f
RD		 1075 if (err) {
1076 mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n");
1077 goto err_unmap_mtt;
1078 }
1079
1080 err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table,
1081 init_hca->qpc_base,
1082 dev_cap->qpc_entry_sz,
1083 dev->caps.num_qps,
93fc9e1b
YP		 1084 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
1085 0, 0);
225c7b1f
RD		 1086 if (err) {
1087 mlx4_err(dev, "Failed to map QP context memory, aborting.\n");
1088 goto err_unmap_dmpt;
1089 }
1090
1091 err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table,
1092 init_hca->auxc_base,
1093 dev_cap->aux_entry_sz,
1094 dev->caps.num_qps,
93fc9e1b
YP		 1095 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
1096 0, 0);
225c7b1f
RD		 1097 if (err) {
1098 mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n");
1099 goto err_unmap_qp;
1100 }
1101
1102 err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table,
1103 init_hca->altc_base,
1104 dev_cap->altc_entry_sz,
1105 dev->caps.num_qps,
93fc9e1b
YP		 1106 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
1107 0, 0);
225c7b1f
RD		 1108 if (err) {
1109 mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n");
1110 goto err_unmap_auxc;
1111 }
1112
1113 err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table,
1114 init_hca->rdmarc_base,
1115 dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift,
1116 dev->caps.num_qps,
93fc9e1b
YP		 1117 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
1118 0, 0);
225c7b1f
RD		 1119 if (err) {
1120 mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n");
1121 goto err_unmap_altc;
1122 }
1123
1124 err = mlx4_init_icm_table(dev, &priv->cq_table.table,
1125 init_hca->cqc_base,
1126 dev_cap->cqc_entry_sz,
1127 dev->caps.num_cqs,
5b0bf5e2 1128 dev->caps.reserved_cqs, 0, 0);
225c7b1f
RD		 1129 if (err) {
1130 mlx4_err(dev, "Failed to map CQ context memory, aborting.\n");
1131 goto err_unmap_rdmarc;
1132 }
1133
1134 err = mlx4_init_icm_table(dev, &priv->srq_table.table,
1135 init_hca->srqc_base,
1136 dev_cap->srq_entry_sz,
1137 dev->caps.num_srqs,
5b0bf5e2 1138 dev->caps.reserved_srqs, 0, 0);
225c7b1f
RD		 1139 if (err) {
1140 mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n");
1141 goto err_unmap_cq;
1142 }
1143
1144 /*
0ff1fb65
HHZ		 1145 * For flow steering device managed mode it is required to use
1146 * mlx4_init_icm_table. For B0 steering mode it's not strictly
1147 * required, but for simplicity just map the whole multicast
1148 * group table now. The table isn't very big and it's a lot
1149 * easier than trying to track ref counts.
225c7b1f
RD		 1150 */
1151 err = mlx4_init_icm_table(dev, &priv->mcg_table.table,
0ec2c0f8
EE		 1152 init_hca->mc_base,
1153 mlx4_get_mgm_entry_size(dev),
225c7b1f
RD		 1154 dev->caps.num_mgms + dev->caps.num_amgms,
1155 dev->caps.num_mgms + dev->caps.num_amgms,
5b0bf5e2 1156 0, 0);
225c7b1f
RD		 1157 if (err) {
1158 mlx4_err(dev, "Failed to map MCG context memory, aborting.\n");
1159 goto err_unmap_srq;
1160 }
1161
1162 return 0;
1163
1164err_unmap_srq:
1165 mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
1166
1167err_unmap_cq:
1168 mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
1169
1170err_unmap_rdmarc:
1171 mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
1172
1173err_unmap_altc:
1174 mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
1175
1176err_unmap_auxc:
1177 mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
1178
1179err_unmap_qp:
1180 mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
1181
1182err_unmap_dmpt:
1183 mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
1184
1185err_unmap_mtt:
1186 mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
1187
1188err_unmap_eq:
fa0681d2 1189 mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
225c7b1f
RD		 1190
1191err_unmap_cmpt:
1192 mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
1193 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
1194 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
1195 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
1196
1197err_unmap_aux:
1198 mlx4_UNMAP_ICM_AUX(dev);
1199
1200err_free_aux:
5b0bf5e2 1201 mlx4_free_icm(dev, priv->fw.aux_icm, 0);
225c7b1f
RD		 1202
1203 return err;
1204}
1205
1206static void mlx4_free_icms(struct mlx4_dev *dev)
1207{
1208 struct mlx4_priv *priv = mlx4_priv(dev);
1209
1210 mlx4_cleanup_icm_table(dev, &priv->mcg_table.table);
1211 mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
1212 mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
1213 mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
1214 mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
1215 mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
1216 mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
1217 mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
1218 mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
fa0681d2 1219 mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
225c7b1f
RD		 1220 mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
1221 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
1222 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
1223 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
225c7b1f
RD		 1224
1225 mlx4_UNMAP_ICM_AUX(dev);
5b0bf5e2 1226 mlx4_free_icm(dev, priv->fw.aux_icm, 0);
225c7b1f
RD		 1227}
1228
ab9c17a0
JM		 1229static void mlx4_slave_exit(struct mlx4_dev *dev)
1230{
1231 struct mlx4_priv *priv = mlx4_priv(dev);
1232
f3d4c89e 1233 mutex_lock(&priv->cmd.slave_cmd_mutex);
ab9c17a0
JM		 1234 if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, MLX4_COMM_TIME))
1235 mlx4_warn(dev, "Failed to close slave function.\n");
f3d4c89e 1236 mutex_unlock(&priv->cmd.slave_cmd_mutex);
ab9c17a0
JM		 1237}
1238
c1b43dca
EC		 1239static int map_bf_area(struct mlx4_dev *dev)
1240{
1241 struct mlx4_priv *priv = mlx4_priv(dev);
1242 resource_size_t bf_start;
1243 resource_size_t bf_len;
1244 int err = 0;
1245
3d747473
JM		 1246 if (!dev->caps.bf_reg_size)
1247 return -ENXIO;
1248
ab9c17a0
JM		 1249 bf_start = pci_resource_start(dev->pdev, 2) +
1250 (dev->caps.num_uars << PAGE_SHIFT);
1251 bf_len = pci_resource_len(dev->pdev, 2) -
1252 (dev->caps.num_uars << PAGE_SHIFT);
c1b43dca
EC		 1253 priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len);
1254 if (!priv->bf_mapping)
1255 err = -ENOMEM;
1256
1257 return err;
1258}
1259
1260static void unmap_bf_area(struct mlx4_dev *dev)
1261{
1262 if (mlx4_priv(dev)->bf_mapping)
1263 io_mapping_free(mlx4_priv(dev)->bf_mapping);
1264}
1265
ec693d47
AV		 1266cycle_t mlx4_read_clock(struct mlx4_dev *dev)
1267{
1268 u32 clockhi, clocklo, clockhi1;
1269 cycle_t cycles;
1270 int i;
1271 struct mlx4_priv *priv = mlx4_priv(dev);
1272
1273 for (i = 0; i < 10; i++) {
1274 clockhi = swab32(readl(priv->clock_mapping));
1275 clocklo = swab32(readl(priv->clock_mapping + 4));
1276 clockhi1 = swab32(readl(priv->clock_mapping));
1277 if (clockhi == clockhi1)
1278 break;
1279 }
1280
1281 cycles = (u64) clockhi << 32 | (u64) clocklo;
1282
1283 return cycles;
1284}
1285EXPORT_SYMBOL_GPL(mlx4_read_clock);
1286
1287
ddd8a6c1
EE		 1288static int map_internal_clock(struct mlx4_dev *dev)
1289{
1290 struct mlx4_priv *priv = mlx4_priv(dev);
1291
1292 priv->clock_mapping =
1293 ioremap(pci_resource_start(dev->pdev, priv->fw.clock_bar) +
1294 priv->fw.clock_offset, MLX4_CLOCK_SIZE);
1295
1296 if (!priv->clock_mapping)
1297 return -ENOMEM;
1298
1299 return 0;
1300}
1301
1302static void unmap_internal_clock(struct mlx4_dev *dev)
1303{
1304 struct mlx4_priv *priv = mlx4_priv(dev);
1305
1306 if (priv->clock_mapping)
1307 iounmap(priv->clock_mapping);
1308}
1309
225c7b1f
RD		 1310static void mlx4_close_hca(struct mlx4_dev *dev)
1311{
ddd8a6c1 1312 unmap_internal_clock(dev);
c1b43dca 1313 unmap_bf_area(dev);
ab9c17a0
JM		 1314 if (mlx4_is_slave(dev))
1315 mlx4_slave_exit(dev);
1316 else {
1317 mlx4_CLOSE_HCA(dev, 0);
1318 mlx4_free_icms(dev);
1319 mlx4_UNMAP_FA(dev);
1320 mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0);
1321 }
1322}
1323
1324static int mlx4_init_slave(struct mlx4_dev *dev)
1325{
1326 struct mlx4_priv *priv = mlx4_priv(dev);
1327 u64 dma = (u64) priv->mfunc.vhcr_dma;
ab9c17a0
JM		 1328 int ret_from_reset = 0;
1329 u32 slave_read;
1330 u32 cmd_channel_ver;
1331
f3d4c89e 1332 mutex_lock(&priv->cmd.slave_cmd_mutex);
ab9c17a0
JM		 1333 priv->cmd.max_cmds = 1;
1334 mlx4_warn(dev, "Sending reset\n");
1335 ret_from_reset = mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0,
1336 MLX4_COMM_TIME);
1337 /* if we are in the middle of flr the slave will try
1338 * NUM_OF_RESET_RETRIES times before leaving.*/
1339 if (ret_from_reset) {
1340 if (MLX4_DELAY_RESET_SLAVE == ret_from_reset) {
5efe5355
JM		 1341 mlx4_warn(dev, "slave is currently in the "
1342 "middle of FLR. Deferring probe.\n");
1343 mutex_unlock(&priv->cmd.slave_cmd_mutex);
1344 return -EPROBE_DEFER;
ab9c17a0
JM		 1345 } else
1346 goto err;
1347 }
1348
1349 /* check the driver version - the slave I/F revision
1350 * must match the master's */
1351 slave_read = swab32(readl(&priv->mfunc.comm->slave_read));
1352 cmd_channel_ver = mlx4_comm_get_version();
1353
1354 if (MLX4_COMM_GET_IF_REV(cmd_channel_ver) !=
1355 MLX4_COMM_GET_IF_REV(slave_read)) {
1356 mlx4_err(dev, "slave driver version is not supported"
1357 " by the master\n");
1358 goto err;
1359 }
1360
1361 mlx4_warn(dev, "Sending vhcr0\n");
1362 if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR0, dma >> 48,
1363 MLX4_COMM_TIME))
1364 goto err;
1365 if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR1, dma >> 32,
1366 MLX4_COMM_TIME))
1367 goto err;
1368 if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR2, dma >> 16,
1369 MLX4_COMM_TIME))
1370 goto err;
1371 if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma, MLX4_COMM_TIME))
1372 goto err;
f3d4c89e
RD		 1373
1374 mutex_unlock(&priv->cmd.slave_cmd_mutex);
ab9c17a0
JM		 1375 return 0;
1376
1377err:
1378 mlx4_comm_cmd(dev, MLX4_COMM_CMD_RESET, 0, 0);
f3d4c89e 1379 mutex_unlock(&priv->cmd.slave_cmd_mutex);
ab9c17a0 1380 return -EIO;
225c7b1f
RD		 1381}
1382
6634961c
JM		 1383static void mlx4_parav_master_pf_caps(struct mlx4_dev *dev)
1384{
1385 int i;
1386
1387 for (i = 1; i <= dev->caps.num_ports; i++) {
1388 dev->caps.gid_table_len[i] = 1;
1389 dev->caps.pkey_table_len[i] =
1390 dev->phys_caps.pkey_phys_table_len[i] - 1;
1391 }
1392}
1393
3c439b55
JM		 1394static int choose_log_fs_mgm_entry_size(int qp_per_entry)
1395{
1396 int i = MLX4_MIN_MGM_LOG_ENTRY_SIZE;
1397
1398 for (i = MLX4_MIN_MGM_LOG_ENTRY_SIZE; i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE;
1399 i++) {
1400 if (qp_per_entry <= 4 * ((1 << i) / 16 - 2))
1401 break;
1402 }
1403
1404 return (i <= MLX4_MAX_MGM_LOG_ENTRY_SIZE) ? i : -1;
1405}
1406
7b8157be
JM		 1407static void choose_steering_mode(struct mlx4_dev *dev,
1408 struct mlx4_dev_cap *dev_cap)
1409{
3c439b55
JM		 1410 if (mlx4_log_num_mgm_entry_size == -1 &&
1411 dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN &&
7b8157be 1412 (!mlx4_is_mfunc(dev) ||
3c439b55
JM		 1413 (dev_cap->fs_max_num_qp_per_entry >= (num_vfs + 1))) &&
1414 choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >=
1415 MLX4_MIN_MGM_LOG_ENTRY_SIZE) {
1416 dev->oper_log_mgm_entry_size =
1417 choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry);
7b8157be
JM		 1418 dev->caps.steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED;
1419 dev->caps.num_qp_per_mgm = dev_cap->fs_max_num_qp_per_entry;
1420 dev->caps.fs_log_max_ucast_qp_range_size =
1421 dev_cap->fs_log_max_ucast_qp_range_size;
1422 } else {
1423 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER &&
1424 dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)
1425 dev->caps.steering_mode = MLX4_STEERING_MODE_B0;
1426 else {
1427 dev->caps.steering_mode = MLX4_STEERING_MODE_A0;
1428
1429 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER ||
1430 dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)
1431 mlx4_warn(dev, "Must have both UC_STEER and MC_STEER flags "
1432 "set to use B0 steering. Falling back to A0 steering mode.\n");
1433 }
3c439b55
JM		 1434 dev->oper_log_mgm_entry_size =
1435 mlx4_log_num_mgm_entry_size > 0 ?
1436 mlx4_log_num_mgm_entry_size :
1437 MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE;
7b8157be
JM		 1438 dev->caps.num_qp_per_mgm = mlx4_get_qp_per_mgm(dev);
1439 }
3c439b55
JM		 1440 mlx4_dbg(dev, "Steering mode is: %s, oper_log_mgm_entry_size = %d, "
1441 "modparam log_num_mgm_entry_size = %d\n",
1442 mlx4_steering_mode_str(dev->caps.steering_mode),
1443 dev->oper_log_mgm_entry_size,
1444 mlx4_log_num_mgm_entry_size);
7b8157be
JM		 1445}
1446
7ffdf726
OG		 1447static void choose_tunnel_offload_mode(struct mlx4_dev *dev,
1448 struct mlx4_dev_cap *dev_cap)
1449{
1450 if (dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED &&
1451 dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)
1452 dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_VXLAN;
1453 else
1454 dev->caps.tunnel_offload_mode = MLX4_TUNNEL_OFFLOAD_MODE_NONE;
1455
1456 mlx4_dbg(dev, "Tunneling offload mode is: %s\n", (dev->caps.tunnel_offload_mode
1457 == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) ? "vxlan" : "none");
1458}
1459
3d73c288 1460static int mlx4_init_hca(struct mlx4_dev *dev)
225c7b1f
RD		 1461{
1462 struct mlx4_priv *priv = mlx4_priv(dev);
1463 struct mlx4_adapter adapter;
1464 struct mlx4_dev_cap dev_cap;
2d928651 1465 struct mlx4_mod_stat_cfg mlx4_cfg;
225c7b1f
RD		 1466 struct mlx4_profile profile;
1467 struct mlx4_init_hca_param init_hca;
1468 u64 icm_size;
1469 int err;
1470
ab9c17a0
JM		 1471 if (!mlx4_is_slave(dev)) {
1472 err = mlx4_QUERY_FW(dev);
1473 if (err) {
1474 if (err == -EACCES)
1475 mlx4_info(dev, "non-primary physical function, skipping.\n");
1476 else
1477 mlx4_err(dev, "QUERY_FW command failed, aborting.\n");
bef772eb 1478 return err;
ab9c17a0 1479 }
225c7b1f 1480
ab9c17a0
JM		 1481 err = mlx4_load_fw(dev);
1482 if (err) {
1483 mlx4_err(dev, "Failed to start FW, aborting.\n");
bef772eb 1484 return err;
ab9c17a0 1485 }
225c7b1f 1486
ab9c17a0
JM		 1487 mlx4_cfg.log_pg_sz_m = 1;
1488 mlx4_cfg.log_pg_sz = 0;
1489 err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg);
1490 if (err)
1491 mlx4_warn(dev, "Failed to override log_pg_sz parameter\n");
2d928651 1492
ab9c17a0
JM		 1493 err = mlx4_dev_cap(dev, &dev_cap);
1494 if (err) {
1495 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
1496 goto err_stop_fw;
1497 }
225c7b1f 1498
7b8157be 1499 choose_steering_mode(dev, &dev_cap);
7ffdf726 1500 choose_tunnel_offload_mode(dev, &dev_cap);
7b8157be 1501
8e1a28e8
HHZ		 1502 err = mlx4_get_phys_port_id(dev);
1503 if (err)
1504 mlx4_err(dev, "Fail to get physical port id\n");
1505
6634961c
JM		 1506 if (mlx4_is_master(dev))
1507 mlx4_parav_master_pf_caps(dev);
1508
ab9c17a0 1509 profile = default_profile;
0ff1fb65
HHZ		 1510 if (dev->caps.steering_mode ==
1511 MLX4_STEERING_MODE_DEVICE_MANAGED)
1512 profile.num_mcg = MLX4_FS_NUM_MCG;
225c7b1f 1513
ab9c17a0
JM		 1514 icm_size = mlx4_make_profile(dev, &profile, &dev_cap,
1515 &init_hca);
1516 if ((long long) icm_size < 0) {
1517 err = icm_size;
1518 goto err_stop_fw;
1519 }
225c7b1f 1520
a5bbe892
EC		 1521 dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
1522
ab9c17a0
JM		 1523 init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
1524 init_hca.uar_page_sz = PAGE_SHIFT - 12;
e448834e
SM		 1525 init_hca.mw_enabled = 0;
1526 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
1527 dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN)
1528 init_hca.mw_enabled = INIT_HCA_TPT_MW_ENABLE;
c1b43dca 1529
ab9c17a0
JM		 1530 err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
1531 if (err)
1532 goto err_stop_fw;
225c7b1f 1533
ab9c17a0
JM		 1534 err = mlx4_INIT_HCA(dev, &init_hca);
1535 if (err) {
1536 mlx4_err(dev, "INIT_HCA command failed, aborting.\n");
1537 goto err_free_icm;
1538 }
ddd8a6c1
EE		 1539 /*
1540 * If TS is supported by FW
1541 * read HCA frequency by QUERY_HCA command
1542 */
1543 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1544 memset(&init_hca, 0, sizeof(init_hca));
1545 err = mlx4_QUERY_HCA(dev, &init_hca);
1546 if (err) {
1547 mlx4_err(dev, "QUERY_HCA command failed, disable timestamp.\n");
1548 dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS;
1549 } else {
1550 dev->caps.hca_core_clock =
1551 init_hca.hca_core_clock;
1552 }
1553
1554 /* In case we got HCA frequency 0 - disable timestamping
1555 * to avoid dividing by zero
1556 */
1557 if (!dev->caps.hca_core_clock) {
1558 dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS;
1559 mlx4_err(dev,
1560 "HCA frequency is 0. Timestamping is not supported.");
1561 } else if (map_internal_clock(dev)) {
1562 /*
1563 * Map internal clock,
1564 * in case of failure disable timestamping
1565 */
1566 dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_TS;
1567 mlx4_err(dev, "Failed to map internal clock. Timestamping is not supported.\n");
1568 }
1569 }
ab9c17a0
JM		 1570 } else {
1571 err = mlx4_init_slave(dev);
1572 if (err) {
5efe5355
JM		 1573 if (err != -EPROBE_DEFER)
1574 mlx4_err(dev, "Failed to initialize slave\n");
bef772eb 1575 return err;
ab9c17a0 1576 }
225c7b1f 1577
ab9c17a0
JM		 1578 err = mlx4_slave_cap(dev);
1579 if (err) {
1580 mlx4_err(dev, "Failed to obtain slave caps\n");
1581 goto err_close;
1582 }
225c7b1f
RD		 1583 }
1584
ab9c17a0
JM		 1585 if (map_bf_area(dev))
1586 mlx4_dbg(dev, "Failed to map blue flame area\n");
1587
1588 /*Only the master set the ports, all the rest got it from it.*/
1589 if (!mlx4_is_slave(dev))
1590 mlx4_set_port_mask(dev);
1591
225c7b1f
RD		 1592 err = mlx4_QUERY_ADAPTER(dev, &adapter);
1593 if (err) {
1594 mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n");
bef772eb 1595 goto unmap_bf;
225c7b1f
RD		 1596 }
1597
1598 priv->eq_table.inta_pin = adapter.inta_pin;
cd9281d8 1599 memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id);
225c7b1f
RD		 1600
1601 return 0;
1602
bef772eb 1603unmap_bf:
ddd8a6c1 1604 unmap_internal_clock(dev);
bef772eb
AY		 1605 unmap_bf_area(dev);
1606
225c7b1f 1607err_close:
41929ed2
DB		 1608 if (mlx4_is_slave(dev))
1609 mlx4_slave_exit(dev);
1610 else
1611 mlx4_CLOSE_HCA(dev, 0);
225c7b1f
RD		 1612
1613err_free_icm:
ab9c17a0
JM		 1614 if (!mlx4_is_slave(dev))
1615 mlx4_free_icms(dev);
225c7b1f
RD		 1616
1617err_stop_fw:
ab9c17a0
JM		 1618 if (!mlx4_is_slave(dev)) {
1619 mlx4_UNMAP_FA(dev);
1620 mlx4_free_icm(dev, priv->fw.fw_icm, 0);
1621 }
225c7b1f
RD		 1622 return err;
1623}
1624
f2a3f6a3
OG		 1625static int mlx4_init_counters_table(struct mlx4_dev *dev)
1626{
1627 struct mlx4_priv *priv = mlx4_priv(dev);
1628 int nent;
1629
1630 if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS))
1631 return -ENOENT;
1632
1633 nent = dev->caps.max_counters;
1634 return mlx4_bitmap_init(&priv->counters_bitmap, nent, nent - 1, 0, 0);
1635}
1636
1637static void mlx4_cleanup_counters_table(struct mlx4_dev *dev)
1638{
1639 mlx4_bitmap_cleanup(&mlx4_priv(dev)->counters_bitmap);
1640}
1641
ba062d52 1642int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx)
f2a3f6a3
OG		 1643{
1644 struct mlx4_priv *priv = mlx4_priv(dev);
1645
1646 if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS))
1647 return -ENOENT;
1648
1649 *idx = mlx4_bitmap_alloc(&priv->counters_bitmap);
1650 if (*idx == -1)
1651 return -ENOMEM;
1652
1653 return 0;
1654}
ba062d52
JM		 1655
1656int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx)
1657{
1658 u64 out_param;
1659 int err;
1660
1661 if (mlx4_is_mfunc(dev)) {
1662 err = mlx4_cmd_imm(dev, 0, &out_param, RES_COUNTER,
1663 RES_OP_RESERVE, MLX4_CMD_ALLOC_RES,
1664 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
1665 if (!err)
1666 *idx = get_param_l(&out_param);
1667
1668 return err;
1669 }
1670 return __mlx4_counter_alloc(dev, idx);
1671}
f2a3f6a3
OG		 1672EXPORT_SYMBOL_GPL(mlx4_counter_alloc);
1673
ba062d52 1674void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx)
f2a3f6a3 1675{
7c6d74d2 1676 mlx4_bitmap_free(&mlx4_priv(dev)->counters_bitmap, idx, MLX4_USE_RR);
f2a3f6a3
OG		 1677 return;
1678}
ba062d52
JM		 1679
1680void mlx4_counter_free(struct mlx4_dev *dev, u32 idx)
1681{
e7dbeba8 1682 u64 in_param = 0;
ba062d52
JM		 1683
1684 if (mlx4_is_mfunc(dev)) {
1685 set_param_l(&in_param, idx);
1686 mlx4_cmd(dev, in_param, RES_COUNTER, RES_OP_RESERVE,
1687 MLX4_CMD_FREE_RES, MLX4_CMD_TIME_CLASS_A,
1688 MLX4_CMD_WRAPPED);
1689 return;
1690 }
1691 __mlx4_counter_free(dev, idx);
1692}
f2a3f6a3
OG		 1693EXPORT_SYMBOL_GPL(mlx4_counter_free);
1694
3d73c288 1695static int mlx4_setup_hca(struct mlx4_dev *dev)
225c7b1f
RD		 1696{
1697 struct mlx4_priv *priv = mlx4_priv(dev);
1698 int err;
7ff93f8b 1699 int port;
9a5aa622 1700 __be32 ib_port_default_caps;
225c7b1f 1701
225c7b1f
RD		 1702 err = mlx4_init_uar_table(dev);
1703 if (err) {
1704 mlx4_err(dev, "Failed to initialize "
1705 "user access region table, aborting.\n");
1706 return err;
1707 }
1708
1709 err = mlx4_uar_alloc(dev, &priv->driver_uar);
1710 if (err) {
1711 mlx4_err(dev, "Failed to allocate driver access region, "
1712 "aborting.\n");
1713 goto err_uar_table_free;
1714 }
1715
4979d18f 1716 priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
225c7b1f
RD		 1717 if (!priv->kar) {
1718 mlx4_err(dev, "Couldn't map kernel access region, "
1719 "aborting.\n");
1720 err = -ENOMEM;
1721 goto err_uar_free;
1722 }
1723
1724 err = mlx4_init_pd_table(dev);
1725 if (err) {
1726 mlx4_err(dev, "Failed to initialize "
1727 "protection domain table, aborting.\n");
1728 goto err_kar_unmap;
1729 }
1730
012a8ff5
SH		 1731 err = mlx4_init_xrcd_table(dev);
1732 if (err) {
1733 mlx4_err(dev, "Failed to initialize "
1734 "reliable connection domain table, aborting.\n");
1735 goto err_pd_table_free;
1736 }
1737
225c7b1f
RD		 1738 err = mlx4_init_mr_table(dev);
1739 if (err) {
1740 mlx4_err(dev, "Failed to initialize "
1741 "memory region table, aborting.\n");
012a8ff5 1742 goto err_xrcd_table_free;
225c7b1f
RD		 1743 }
1744
fe6f700d
YP		 1745 if (!mlx4_is_slave(dev)) {
1746 err = mlx4_init_mcg_table(dev);
1747 if (err) {
1748 mlx4_err(dev, "Failed to initialize multicast group table, aborting.\n");
1749 goto err_mr_table_free;
1750 }
1751 }
1752
225c7b1f
RD		 1753 err = mlx4_init_eq_table(dev);
1754 if (err) {
1755 mlx4_err(dev, "Failed to initialize "
1756 "event queue table, aborting.\n");
fe6f700d 1757 goto err_mcg_table_free;
225c7b1f
RD		 1758 }
1759
1760 err = mlx4_cmd_use_events(dev);
1761 if (err) {
1762 mlx4_err(dev, "Failed to switch to event-driven "
1763 "firmware commands, aborting.\n");
1764 goto err_eq_table_free;
1765 }
1766
1767 err = mlx4_NOP(dev);
1768 if (err) {
08fb1055
MT		 1769 if (dev->flags & MLX4_FLAG_MSI_X) {
1770 mlx4_warn(dev, "NOP command failed to generate MSI-X "
1771 "interrupt IRQ %d).\n",
b8dd786f 1772 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
08fb1055
MT		 1773 mlx4_warn(dev, "Trying again without MSI-X.\n");
1774 } else {
1775 mlx4_err(dev, "NOP command failed to generate interrupt "
1776 "(IRQ %d), aborting.\n",
b8dd786f 1777 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
225c7b1f 1778 mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
08fb1055 1779 }
225c7b1f
RD		 1780
1781 goto err_cmd_poll;
1782 }
1783
1784 mlx4_dbg(dev, "NOP command IRQ test passed\n");
1785
1786 err = mlx4_init_cq_table(dev);
1787 if (err) {
1788 mlx4_err(dev, "Failed to initialize "
1789 "completion queue table, aborting.\n");
1790 goto err_cmd_poll;
1791 }
1792
1793 err = mlx4_init_srq_table(dev);
1794 if (err) {
1795 mlx4_err(dev, "Failed to initialize "
1796 "shared receive queue table, aborting.\n");
1797 goto err_cq_table_free;
1798 }
1799
1800 err = mlx4_init_qp_table(dev);
1801 if (err) {
1802 mlx4_err(dev, "Failed to initialize "
1803 "queue pair table, aborting.\n");
1804 goto err_srq_table_free;
1805 }
1806
f2a3f6a3
OG		 1807 err = mlx4_init_counters_table(dev);
1808 if (err && err != -ENOENT) {
1809 mlx4_err(dev, "Failed to initialize counters table, aborting.\n");
fe6f700d 1810 goto err_qp_table_free;
f2a3f6a3
OG		 1811 }
1812
ab9c17a0
JM		 1813 if (!mlx4_is_slave(dev)) {
1814 for (port = 1; port <= dev->caps.num_ports; port++) {
ab9c17a0
JM		 1815 ib_port_default_caps = 0;
1816 err = mlx4_get_port_ib_caps(dev, port,
1817 &ib_port_default_caps);
1818 if (err)
1819 mlx4_warn(dev, "failed to get port %d default "
1820 "ib capabilities (%d). Continuing "
1821 "with caps = 0\n", port, err);
1822 dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
1823
2aca1172
JM		 1824 /* initialize per-slave default ib port capabilities */
1825 if (mlx4_is_master(dev)) {
1826 int i;
1827 for (i = 0; i < dev->num_slaves; i++) {
1828 if (i == mlx4_master_func_num(dev))
1829 continue;
1830 priv->mfunc.master.slave_state[i].ib_cap_mask[port] =
1831 ib_port_default_caps;
1832 }
1833 }
1834
096335b3
OG		 1835 if (mlx4_is_mfunc(dev))
1836 dev->caps.port_ib_mtu[port] = IB_MTU_2048;
1837 else
1838 dev->caps.port_ib_mtu[port] = IB_MTU_4096;
97285b78 1839
6634961c
JM		 1840 err = mlx4_SET_PORT(dev, port, mlx4_is_master(dev) ?
1841 dev->caps.pkey_table_len[port] : -1);
ab9c17a0
JM		 1842 if (err) {
1843 mlx4_err(dev, "Failed to set port %d, aborting\n",
1844 port);
1845 goto err_counters_table_free;
1846 }
7ff93f8b
YP		 1847 }
1848 }
1849
225c7b1f
RD		 1850 return 0;
1851
f2a3f6a3
OG		 1852err_counters_table_free:
1853 mlx4_cleanup_counters_table(dev);
1854
225c7b1f
RD		 1855err_qp_table_free:
1856 mlx4_cleanup_qp_table(dev);
1857
1858err_srq_table_free:
1859 mlx4_cleanup_srq_table(dev);
1860
1861err_cq_table_free:
1862 mlx4_cleanup_cq_table(dev);
1863
1864err_cmd_poll:
1865 mlx4_cmd_use_polling(dev);
1866
1867err_eq_table_free:
1868 mlx4_cleanup_eq_table(dev);
1869
fe6f700d
YP		 1870err_mcg_table_free:
1871 if (!mlx4_is_slave(dev))
1872 mlx4_cleanup_mcg_table(dev);
1873
ee49bd93 1874err_mr_table_free:
225c7b1f
RD		 1875 mlx4_cleanup_mr_table(dev);
1876
012a8ff5
SH		 1877err_xrcd_table_free:
1878 mlx4_cleanup_xrcd_table(dev);
1879
225c7b1f
RD		 1880err_pd_table_free:
1881 mlx4_cleanup_pd_table(dev);
1882
1883err_kar_unmap:
1884 iounmap(priv->kar);
1885
1886err_uar_free:
1887 mlx4_uar_free(dev, &priv->driver_uar);
1888
1889err_uar_table_free:
1890 mlx4_cleanup_uar_table(dev);
1891 return err;
1892}
1893
e8f9b2ed 1894static void mlx4_enable_msi_x(struct mlx4_dev *dev)
225c7b1f
RD		 1895{
1896 struct mlx4_priv *priv = mlx4_priv(dev);
b8dd786f 1897 struct msix_entry *entries;
0b7ca5a9 1898 int nreq = min_t(int, dev->caps.num_ports *
90b1ebe7
YM		 1899 min_t(int, netif_get_num_default_rss_queues() + 1,
1900 MAX_MSIX_P_PORT) + MSIX_LEGACY_SZ, MAX_MSIX);
225c7b1f
RD		 1901 int err;
1902 int i;
1903
1904 if (msi_x) {
ca4c7b35
OG		 1905 nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
1906 nreq);
ab9c17a0 1907
b8dd786f
YP		 1908 entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
1909 if (!entries)
1910 goto no_msi;
1911
1912 for (i = 0; i < nreq; ++i)
225c7b1f
RD		 1913 entries[i].entry = i;
1914
b8dd786f
YP		 1915 retry:
1916 err = pci_enable_msix(dev->pdev, entries, nreq);
225c7b1f 1917 if (err) {
b8dd786f
YP		 1918 /* Try again if at least 2 vectors are available */
1919 if (err > 1) {
1920 mlx4_info(dev, "Requested %d vectors, "
1921 "but only %d MSI-X vectors available, "
1922 "trying again\n", nreq, err);
1923 nreq = err;
1924 goto retry;
1925 }
5bf0da7d 1926 kfree(entries);
225c7b1f
RD		 1927 goto no_msi;
1928 }
1929
0b7ca5a9
YP		 1930 if (nreq <
1931 MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) {
1932 /*Working in legacy mode , all EQ's shared*/
1933 dev->caps.comp_pool = 0;
1934 dev->caps.num_comp_vectors = nreq - 1;
1935 } else {
1936 dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ;
1937 dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1;
1938 }
b8dd786f 1939 for (i = 0; i < nreq; ++i)
225c7b1f
RD		 1940 priv->eq_table.eq[i].irq = entries[i].vector;
1941
1942 dev->flags |= MLX4_FLAG_MSI_X;
b8dd786f
YP		 1943
1944 kfree(entries);
225c7b1f
RD		 1945 return;
1946 }
1947
1948no_msi:
b8dd786f 1949 dev->caps.num_comp_vectors = 1;
0b7ca5a9 1950 dev->caps.comp_pool = 0;
b8dd786f
YP		 1951
1952 for (i = 0; i < 2; ++i)
225c7b1f
RD		 1953 priv->eq_table.eq[i].irq = dev->pdev->irq;
1954}
1955
7ff93f8b 1956static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
2a2336f8
YP		 1957{
1958 struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
7ff93f8b 1959 int err = 0;
2a2336f8
YP		 1960
1961 info->dev = dev;
1962 info->port = port;
ab9c17a0 1963 if (!mlx4_is_slave(dev)) {
ab9c17a0
JM		 1964 mlx4_init_mac_table(dev, &info->mac_table);
1965 mlx4_init_vlan_table(dev, &info->vlan_table);
16a10ffd 1966 info->base_qpn = mlx4_get_base_qpn(dev, port);
ab9c17a0 1967 }
7ff93f8b
YP		 1968
1969 sprintf(info->dev_name, "mlx4_port%d", port);
1970 info->port_attr.attr.name = info->dev_name;
ab9c17a0
JM		 1971 if (mlx4_is_mfunc(dev))
1972 info->port_attr.attr.mode = S_IRUGO;
1973 else {
1974 info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
1975 info->port_attr.store = set_port_type;
1976 }
7ff93f8b 1977 info->port_attr.show = show_port_type;
3691c964 1978 sysfs_attr_init(&info->port_attr.attr);
7ff93f8b
YP		 1979
1980 err = device_create_file(&dev->pdev->dev, &info->port_attr);
1981 if (err) {
1982 mlx4_err(dev, "Failed to create file for port %d\n", port);
1983 info->port = -1;
1984 }
1985
096335b3
OG		 1986 sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port);
1987 info->port_mtu_attr.attr.name = info->dev_mtu_name;
1988 if (mlx4_is_mfunc(dev))
1989 info->port_mtu_attr.attr.mode = S_IRUGO;
1990 else {
1991 info->port_mtu_attr.attr.mode = S_IRUGO | S_IWUSR;
1992 info->port_mtu_attr.store = set_port_ib_mtu;
1993 }
1994 info->port_mtu_attr.show = show_port_ib_mtu;
1995 sysfs_attr_init(&info->port_mtu_attr.attr);
1996
1997 err = device_create_file(&dev->pdev->dev, &info->port_mtu_attr);
1998 if (err) {
1999 mlx4_err(dev, "Failed to create mtu file for port %d\n", port);
2000 device_remove_file(&info->dev->pdev->dev, &info->port_attr);
2001 info->port = -1;
2002 }
2003
7ff93f8b
YP		 2004 return err;
2005}
2006
2007static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
2008{
2009 if (info->port < 0)
2010 return;
2011
2012 device_remove_file(&info->dev->pdev->dev, &info->port_attr);
096335b3 2013 device_remove_file(&info->dev->pdev->dev, &info->port_mtu_attr);
2a2336f8
YP		 2014}
2015
b12d93d6
YP		 2016static int mlx4_init_steering(struct mlx4_dev *dev)
2017{
2018 struct mlx4_priv *priv = mlx4_priv(dev);
2019 int num_entries = dev->caps.num_ports;
2020 int i, j;
2021
2022 priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL);
2023 if (!priv->steer)
2024 return -ENOMEM;
2025
45b51365 2026 for (i = 0; i < num_entries; i++)
b12d93d6
YP		 2027 for (j = 0; j < MLX4_NUM_STEERS; j++) {
2028 INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]);
2029 INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]);
2030 }
b12d93d6
YP		 2031 return 0;
2032}
2033
2034static void mlx4_clear_steering(struct mlx4_dev *dev)
2035{
2036 struct mlx4_priv *priv = mlx4_priv(dev);
2037 struct mlx4_steer_index *entry, *tmp_entry;
2038 struct mlx4_promisc_qp *pqp, *tmp_pqp;
2039 int num_entries = dev->caps.num_ports;
2040 int i, j;
2041
2042 for (i = 0; i < num_entries; i++) {
2043 for (j = 0; j < MLX4_NUM_STEERS; j++) {
2044 list_for_each_entry_safe(pqp, tmp_pqp,
2045 &priv->steer[i].promisc_qps[j],
2046 list) {
2047 list_del(&pqp->list);
2048 kfree(pqp);
2049 }
2050 list_for_each_entry_safe(entry, tmp_entry,
2051 &priv->steer[i].steer_entries[j],
2052 list) {
2053 list_del(&entry->list);
2054 list_for_each_entry_safe(pqp, tmp_pqp,
2055 &entry->duplicates,
2056 list) {
2057 list_del(&pqp->list);
2058 kfree(pqp);
2059 }
2060 kfree(entry);
2061 }
2062 }
2063 }
2064 kfree(priv->steer);
2065}
2066
ab9c17a0
JM		 2067static int extended_func_num(struct pci_dev *pdev)
2068{
2069 return PCI_SLOT(pdev->devfn) * 8 + PCI_FUNC(pdev->devfn);
2070}
2071
2072#define MLX4_OWNER_BASE 0x8069c
2073#define MLX4_OWNER_SIZE 4
2074
2075static int mlx4_get_ownership(struct mlx4_dev *dev)
2076{
2077 void __iomem *owner;
2078 u32 ret;
2079
57dbf29a
KSS		 2080 if (pci_channel_offline(dev->pdev))
2081 return -EIO;
2082
ab9c17a0
JM		 2083 owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE,
2084 MLX4_OWNER_SIZE);
2085 if (!owner) {
2086 mlx4_err(dev, "Failed to obtain ownership bit\n");
2087 return -ENOMEM;
2088 }
2089
2090 ret = readl(owner);
2091 iounmap(owner);
2092 return (int) !!ret;
2093}
2094
2095static void mlx4_free_ownership(struct mlx4_dev *dev)
2096{
2097 void __iomem *owner;
2098
57dbf29a
KSS		 2099 if (pci_channel_offline(dev->pdev))
2100 return;
2101
ab9c17a0
JM		 2102 owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE,
2103 MLX4_OWNER_SIZE);
2104 if (!owner) {
2105 mlx4_err(dev, "Failed to obtain ownership bit\n");
2106 return;
2107 }
2108 writel(0, owner);
2109 msleep(1000);
2110 iounmap(owner);
2111}
2112
839f1243 2113static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data)
225c7b1f 2114{
225c7b1f
RD		 2115 struct mlx4_priv *priv;
2116 struct mlx4_dev *dev;
2117 int err;
2a2336f8 2118 int port;
225c7b1f 2119
0a645e80 2120 pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev));
225c7b1f
RD		 2121
2122 err = pci_enable_device(pdev);
2123 if (err) {
2124 dev_err(&pdev->dev, "Cannot enable PCI device, "
2125 "aborting.\n");
2126 return err;
2127 }
5a0d0a61
JM		 2128
2129 /* Due to requirement that all VFs and the PF are *guaranteed* 2 MACS
2130 * per port, we must limit the number of VFs to 63 (since their are
2131 * 128 MACs)
2132 */
2133 if (num_vfs >= MLX4_MAX_NUM_VF) {
2134 dev_err(&pdev->dev,
2135 "Requested more VF's (%d) than allowed (%d)\n",
2136 num_vfs, MLX4_MAX_NUM_VF - 1);
ab9c17a0
JM		 2137 return -EINVAL;
2138 }
30e514a7
JM		 2139
2140 if (num_vfs < 0) {
2141 pr_err("num_vfs module parameter cannot be negative\n");
2142 return -EINVAL;
2143 }
225c7b1f 2144 /*
ab9c17a0 2145 * Check for BARs.
225c7b1f 2146 */
839f1243 2147 if (!(pci_dev_data & MLX4_PCI_DEV_IS_VF) &&
ab9c17a0
JM		 2148 !(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
2149 dev_err(&pdev->dev, "Missing DCS, aborting."
839f1243
RD		 2150 "(driver_data: 0x%x, pci_resource_flags(pdev, 0):0x%lx)\n",
2151 pci_dev_data, pci_resource_flags(pdev, 0));
225c7b1f
RD		 2152 err = -ENODEV;
2153 goto err_disable_pdev;
2154 }
2155 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
2156 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
2157 err = -ENODEV;
2158 goto err_disable_pdev;
2159 }
2160
a01df0fe 2161 err = pci_request_regions(pdev, DRV_NAME);
225c7b1f 2162 if (err) {
a01df0fe 2163 dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n");
225c7b1f
RD		 2164 goto err_disable_pdev;
2165 }
2166
225c7b1f
RD		 2167 pci_set_master(pdev);
2168
6a35528a 2169 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
225c7b1f
RD		 2170 if (err) {
2171 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
284901a9 2172 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
225c7b1f
RD		 2173 if (err) {
2174 dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
a01df0fe 2175 goto err_release_regions;
225c7b1f
RD		 2176 }
2177 }
6a35528a 2178 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
225c7b1f
RD		 2179 if (err) {
2180 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
2181 "consistent PCI DMA mask.\n");
284901a9 2182 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
225c7b1f
RD		 2183 if (err) {
2184 dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
2185 "aborting.\n");
a01df0fe 2186 goto err_release_regions;
225c7b1f
RD		 2187 }
2188 }
2189
7f9e5c48
DD		 2190 /* Allow large DMA segments, up to the firmware limit of 1 GB */
2191 dma_set_max_seg_size(&pdev->dev, 1024 * 1024 * 1024);
2192
b2adaca9 2193 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
225c7b1f 2194 if (!priv) {
225c7b1f 2195 err = -ENOMEM;
a01df0fe 2196 goto err_release_regions;
225c7b1f
RD		 2197 }
2198
2199 dev = &priv->dev;
2200 dev->pdev = pdev;
b581401e
RD		 2201 INIT_LIST_HEAD(&priv->ctx_list);
2202 spin_lock_init(&priv->ctx_lock);
225c7b1f 2203
7ff93f8b
YP		 2204 mutex_init(&priv->port_mutex);
2205
6296883c
YP		 2206 INIT_LIST_HEAD(&priv->pgdir_list);
2207 mutex_init(&priv->pgdir_mutex);
2208
c1b43dca
EC		 2209 INIT_LIST_HEAD(&priv->bf_list);
2210 mutex_init(&priv->bf_mutex);
2211
aca7a3ac 2212 dev->rev_id = pdev->revision;
6e7136ed 2213 dev->numa_node = dev_to_node(&pdev->dev);
ab9c17a0 2214 /* Detect if this device is a virtual function */
839f1243 2215 if (pci_dev_data & MLX4_PCI_DEV_IS_VF) {
ab9c17a0
JM		 2216 /* When acting as pf, we normally skip vfs unless explicitly
2217 * requested to probe them. */
2218 if (num_vfs && extended_func_num(pdev) > probe_vf) {
2219 mlx4_warn(dev, "Skipping virtual function:%d\n",
2220 extended_func_num(pdev));
2221 err = -ENODEV;
2222 goto err_free_dev;
2223 }
2224 mlx4_warn(dev, "Detected virtual function - running in slave mode\n");
2225 dev->flags |= MLX4_FLAG_SLAVE;
2226 } else {
2227 /* We reset the device and enable SRIOV only for physical
2228 * devices. Try to claim ownership on the device;
2229 * if already taken, skip -- do not allow multiple PFs */
2230 err = mlx4_get_ownership(dev);
2231 if (err) {
2232 if (err < 0)
2233 goto err_free_dev;
2234 else {
2235 mlx4_warn(dev, "Multiple PFs not yet supported."
2236 " Skipping PF.\n");
2237 err = -EINVAL;
2238 goto err_free_dev;
2239 }
2240 }
aca7a3ac 2241
ab9c17a0 2242 if (num_vfs) {
84b1f153 2243 mlx4_warn(dev, "Enabling SR-IOV with %d VFs\n", num_vfs);
ab9c17a0
JM		 2244 err = pci_enable_sriov(pdev, num_vfs);
2245 if (err) {
84b1f153
RD		 2246 mlx4_err(dev, "Failed to enable SR-IOV, continuing without SR-IOV (err = %d).\n",
2247 err);
ab9c17a0
JM		 2248 err = 0;
2249 } else {
2250 mlx4_warn(dev, "Running in master mode\n");
2251 dev->flags |= MLX4_FLAG_SRIOV |
2252 MLX4_FLAG_MASTER;
2253 dev->num_vfs = num_vfs;
2254 }
2255 }
2256
fe6f700d
YP		 2257 atomic_set(&priv->opreq_count, 0);
2258 INIT_WORK(&priv->opreq_task, mlx4_opreq_action);
2259
ab9c17a0
JM		 2260 /*
2261 * Now reset the HCA before we touch the PCI capabilities or
2262 * attempt a firmware command, since a boot ROM may have left
2263 * the HCA in an undefined state.
2264 */
2265 err = mlx4_reset(dev);
2266 if (err) {
2267 mlx4_err(dev, "Failed to reset HCA, aborting.\n");
2268 goto err_rel_own;
2269 }
225c7b1f
RD		 2270 }
2271
ab9c17a0 2272slave_start:
521130d1
EE		 2273 err = mlx4_cmd_init(dev);
2274 if (err) {
225c7b1f 2275 mlx4_err(dev, "Failed to init command interface, aborting.\n");
ab9c17a0
JM		 2276 goto err_sriov;
2277 }
2278
2279 /* In slave functions, the communication channel must be initialized
2280 * before posting commands. Also, init num_slaves before calling
2281 * mlx4_init_hca */
2282 if (mlx4_is_mfunc(dev)) {
2283 if (mlx4_is_master(dev))
2284 dev->num_slaves = MLX4_MAX_NUM_SLAVES;
2285 else {
2286 dev->num_slaves = 0;
f356fcbe
JM		 2287 err = mlx4_multi_func_init(dev);
2288 if (err) {
ab9c17a0
JM		 2289 mlx4_err(dev, "Failed to init slave mfunc"
2290 " interface, aborting.\n");
2291 goto err_cmd;
2292 }
2293 }
225c7b1f
RD		 2294 }
2295
2296 err = mlx4_init_hca(dev);
ab9c17a0
JM		 2297 if (err) {
2298 if (err == -EACCES) {
2299 /* Not primary Physical function
2300 * Running in slave mode */
2301 mlx4_cmd_cleanup(dev);
2302 dev->flags |= MLX4_FLAG_SLAVE;
2303 dev->flags &= ~MLX4_FLAG_MASTER;
2304 goto slave_start;
2305 } else
2306 goto err_mfunc;
2307 }
2308
2309 /* In master functions, the communication channel must be initialized
2310 * after obtaining its address from fw */
2311 if (mlx4_is_master(dev)) {
f356fcbe
JM		 2312 err = mlx4_multi_func_init(dev);
2313 if (err) {
ab9c17a0
JM		 2314 mlx4_err(dev, "Failed to init master mfunc"
2315 "interface, aborting.\n");
2316 goto err_close;
2317 }
2318 }
225c7b1f 2319
b8dd786f
YP		 2320 err = mlx4_alloc_eq_table(dev);
2321 if (err)
ab9c17a0 2322 goto err_master_mfunc;
b8dd786f 2323
0b7ca5a9 2324 priv->msix_ctl.pool_bm = 0;
730c41d5 2325 mutex_init(&priv->msix_ctl.pool_lock);
0b7ca5a9 2326
08fb1055 2327 mlx4_enable_msi_x(dev);
ab9c17a0
JM		 2328 if ((mlx4_is_mfunc(dev)) &&
2329 !(dev->flags & MLX4_FLAG_MSI_X)) {
f356fcbe 2330 err = -ENOSYS;
ab9c17a0
JM		 2331 mlx4_err(dev, "INTx is not supported in multi-function mode."
2332 " aborting.\n");
b12d93d6 2333 goto err_free_eq;
ab9c17a0
JM		 2334 }
2335
2336 if (!mlx4_is_slave(dev)) {
2337 err = mlx4_init_steering(dev);
2338 if (err)
2339 goto err_free_eq;
2340 }
b12d93d6 2341
225c7b1f 2342 err = mlx4_setup_hca(dev);
ab9c17a0
JM		 2343 if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X) &&
2344 !mlx4_is_mfunc(dev)) {
08fb1055 2345 dev->flags &= ~MLX4_FLAG_MSI_X;
9858d2d1
YP		 2346 dev->caps.num_comp_vectors = 1;
2347 dev->caps.comp_pool = 0;
08fb1055
MT		 2348 pci_disable_msix(pdev);
2349 err = mlx4_setup_hca(dev);
2350 }
2351
225c7b1f 2352 if (err)
b12d93d6 2353 goto err_steer;
225c7b1f 2354
5a0d0a61
JM		 2355 mlx4_init_quotas(dev);
2356
7ff93f8b
YP		 2357 for (port = 1; port <= dev->caps.num_ports; port++) {
2358 err = mlx4_init_port_info(dev, port);
2359 if (err)
2360 goto err_port;
2361 }
2a2336f8 2362
225c7b1f
RD		 2363 err = mlx4_register_device(dev);
2364 if (err)
7ff93f8b 2365 goto err_port;
225c7b1f 2366
b046ffe5
EP		 2367 mlx4_request_modules(dev);
2368
27bf91d6
YP		 2369 mlx4_sense_init(dev);
2370 mlx4_start_sense(dev);
2371
839f1243 2372 priv->pci_dev_data = pci_dev_data;
225c7b1f
RD		 2373 pci_set_drvdata(pdev, dev);
2374
2375 return 0;
2376
7ff93f8b 2377err_port:
b4f77264 2378 for (--port; port >= 1; --port)
7ff93f8b
YP		 2379 mlx4_cleanup_port_info(&priv->port[port]);
2380
f2a3f6a3 2381 mlx4_cleanup_counters_table(dev);
225c7b1f
RD		 2382 mlx4_cleanup_qp_table(dev);
2383 mlx4_cleanup_srq_table(dev);
2384 mlx4_cleanup_cq_table(dev);
2385 mlx4_cmd_use_polling(dev);
2386 mlx4_cleanup_eq_table(dev);
fe6f700d 2387 mlx4_cleanup_mcg_table(dev);
225c7b1f 2388 mlx4_cleanup_mr_table(dev);
012a8ff5 2389 mlx4_cleanup_xrcd_table(dev);
225c7b1f
RD		 2390 mlx4_cleanup_pd_table(dev);
2391 mlx4_cleanup_uar_table(dev);
2392
b12d93d6 2393err_steer:
ab9c17a0
JM		 2394 if (!mlx4_is_slave(dev))
2395 mlx4_clear_steering(dev);
b12d93d6 2396
b8dd786f
YP		 2397err_free_eq:
2398 mlx4_free_eq_table(dev);
2399
ab9c17a0
JM		 2400err_master_mfunc:
2401 if (mlx4_is_master(dev))
2402 mlx4_multi_func_cleanup(dev);
2403
225c7b1f 2404err_close:
08fb1055
MT		 2405 if (dev->flags & MLX4_FLAG_MSI_X)
2406 pci_disable_msix(pdev);
2407
225c7b1f
RD		 2408 mlx4_close_hca(dev);
2409
ab9c17a0
JM		 2410err_mfunc:
2411 if (mlx4_is_slave(dev))
2412 mlx4_multi_func_cleanup(dev);
2413
225c7b1f
RD		 2414err_cmd:
2415 mlx4_cmd_cleanup(dev);
2416
ab9c17a0 2417err_sriov:
681372a7 2418 if (dev->flags & MLX4_FLAG_SRIOV)
ab9c17a0
JM		 2419 pci_disable_sriov(pdev);
2420
2421err_rel_own:
2422 if (!mlx4_is_slave(dev))
2423 mlx4_free_ownership(dev);
2424
225c7b1f 2425err_free_dev:
225c7b1f
RD		 2426 kfree(priv);
2427
a01df0fe
RD		 2428err_release_regions:
2429 pci_release_regions(pdev);
225c7b1f
RD		 2430
2431err_disable_pdev:
2432 pci_disable_device(pdev);
2433 pci_set_drvdata(pdev, NULL);
2434 return err;
2435}
2436
1dd06ae8 2437static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
3d73c288 2438{
0a645e80 2439 printk_once(KERN_INFO "%s", mlx4_version);
3d73c288 2440
839f1243 2441 return __mlx4_init_one(pdev, id->driver_data);
3d73c288
RD		 2442}
2443
2444static void mlx4_remove_one(struct pci_dev *pdev)
225c7b1f
RD		 2445{
2446 struct mlx4_dev *dev = pci_get_drvdata(pdev);
2447 struct mlx4_priv *priv = mlx4_priv(dev);
2448 int p;
2449
2450 if (dev) {
ab9c17a0
JM		 2451 /* in SRIOV it is not allowed to unload the pf's
2452 * driver while there are alive vf's */
2453 if (mlx4_is_master(dev)) {
2454 if (mlx4_how_many_lives_vf(dev))
2455 printk(KERN_ERR "Removing PF when there are assigned VF's !!!\n");
2456 }
27bf91d6 2457 mlx4_stop_sense(dev);
225c7b1f
RD		 2458 mlx4_unregister_device(dev);
2459
7ff93f8b
YP		 2460 for (p = 1; p <= dev->caps.num_ports; p++) {
2461 mlx4_cleanup_port_info(&priv->port[p]);
225c7b1f 2462 mlx4_CLOSE_PORT(dev, p);
7ff93f8b 2463 }
225c7b1f 2464
b8924951
JM		 2465 if (mlx4_is_master(dev))
2466 mlx4_free_resource_tracker(dev,
2467 RES_TR_FREE_SLAVES_ONLY);
2468
f2a3f6a3 2469 mlx4_cleanup_counters_table(dev);
225c7b1f
RD		 2470 mlx4_cleanup_qp_table(dev);
2471 mlx4_cleanup_srq_table(dev);
2472 mlx4_cleanup_cq_table(dev);
2473 mlx4_cmd_use_polling(dev);
2474 mlx4_cleanup_eq_table(dev);
fe6f700d 2475 mlx4_cleanup_mcg_table(dev);
225c7b1f 2476 mlx4_cleanup_mr_table(dev);
012a8ff5 2477 mlx4_cleanup_xrcd_table(dev);
225c7b1f
RD		 2478 mlx4_cleanup_pd_table(dev);
2479
ab9c17a0 2480 if (mlx4_is_master(dev))
b8924951
JM		 2481 mlx4_free_resource_tracker(dev,
2482 RES_TR_FREE_STRUCTS_ONLY);
ab9c17a0 2483
225c7b1f
RD		 2484 iounmap(priv->kar);
2485 mlx4_uar_free(dev, &priv->driver_uar);
2486 mlx4_cleanup_uar_table(dev);
ab9c17a0
JM		 2487 if (!mlx4_is_slave(dev))
2488 mlx4_clear_steering(dev);
b8dd786f 2489 mlx4_free_eq_table(dev);
ab9c17a0
JM		 2490 if (mlx4_is_master(dev))
2491 mlx4_multi_func_cleanup(dev);
225c7b1f 2492 mlx4_close_hca(dev);
ab9c17a0
JM		 2493 if (mlx4_is_slave(dev))
2494 mlx4_multi_func_cleanup(dev);
225c7b1f
RD		 2495 mlx4_cmd_cleanup(dev);
2496
2497 if (dev->flags & MLX4_FLAG_MSI_X)
2498 pci_disable_msix(pdev);
681372a7 2499 if (dev->flags & MLX4_FLAG_SRIOV) {
84b1f153 2500 mlx4_warn(dev, "Disabling SR-IOV\n");
ab9c17a0
JM		 2501 pci_disable_sriov(pdev);
2502 }
225c7b1f 2503
ab9c17a0
JM		 2504 if (!mlx4_is_slave(dev))
2505 mlx4_free_ownership(dev);
47605df9
JM		 2506
2507 kfree(dev->caps.qp0_tunnel);
2508 kfree(dev->caps.qp0_proxy);
2509 kfree(dev->caps.qp1_tunnel);
2510 kfree(dev->caps.qp1_proxy);
2511
225c7b1f 2512 kfree(priv);
a01df0fe 2513 pci_release_regions(pdev);
225c7b1f
RD		 2514 pci_disable_device(pdev);
2515 pci_set_drvdata(pdev, NULL);
2516 }
2517}
2518
ee49bd93
JM		 2519int mlx4_restart_one(struct pci_dev *pdev)
2520{
839f1243
RD		 2521 struct mlx4_dev *dev = pci_get_drvdata(pdev);
2522 struct mlx4_priv *priv = mlx4_priv(dev);
2523 int pci_dev_data;
2524
2525 pci_dev_data = priv->pci_dev_data;
ee49bd93 2526 mlx4_remove_one(pdev);
839f1243 2527 return __mlx4_init_one(pdev, pci_dev_data);
ee49bd93
JM		 2528}
2529
a3aa1884 2530static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = {
ab9c17a0 2531 /* MT25408 "Hermon" SDR */
ca3e57a5 2532 { PCI_VDEVICE(MELLANOX, 0x6340), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2533 /* MT25408 "Hermon" DDR */
ca3e57a5 2534 { PCI_VDEVICE(MELLANOX, 0x634a), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2535 /* MT25408 "Hermon" QDR */
ca3e57a5 2536 { PCI_VDEVICE(MELLANOX, 0x6354), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2537 /* MT25408 "Hermon" DDR PCIe gen2 */
ca3e57a5 2538 { PCI_VDEVICE(MELLANOX, 0x6732), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2539 /* MT25408 "Hermon" QDR PCIe gen2 */
ca3e57a5 2540 { PCI_VDEVICE(MELLANOX, 0x673c), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2541 /* MT25408 "Hermon" EN 10GigE */
ca3e57a5 2542 { PCI_VDEVICE(MELLANOX, 0x6368), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2543 /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
ca3e57a5 2544 { PCI_VDEVICE(MELLANOX, 0x6750), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2545 /* MT25458 ConnectX EN 10GBASE-T 10GigE */
ca3e57a5 2546 { PCI_VDEVICE(MELLANOX, 0x6372), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2547 /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */
ca3e57a5 2548 { PCI_VDEVICE(MELLANOX, 0x675a), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2549 /* MT26468 ConnectX EN 10GigE PCIe gen2*/
ca3e57a5 2550 { PCI_VDEVICE(MELLANOX, 0x6764), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2551 /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */
ca3e57a5 2552 { PCI_VDEVICE(MELLANOX, 0x6746), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2553 /* MT26478 ConnectX2 40GigE PCIe gen2 */
ca3e57a5 2554 { PCI_VDEVICE(MELLANOX, 0x676e), MLX4_PCI_DEV_FORCE_SENSE_PORT },
ab9c17a0 2555 /* MT25400 Family [ConnectX-2 Virtual Function] */
839f1243 2556 { PCI_VDEVICE(MELLANOX, 0x1002), MLX4_PCI_DEV_IS_VF },
ab9c17a0
JM		 2557 /* MT27500 Family [ConnectX-3] */
2558 { PCI_VDEVICE(MELLANOX, 0x1003), 0 },
2559 /* MT27500 Family [ConnectX-3 Virtual Function] */
839f1243 2560 { PCI_VDEVICE(MELLANOX, 0x1004), MLX4_PCI_DEV_IS_VF },
ab9c17a0
JM		 2561 { PCI_VDEVICE(MELLANOX, 0x1005), 0 }, /* MT27510 Family */
2562 { PCI_VDEVICE(MELLANOX, 0x1006), 0 }, /* MT27511 Family */
2563 { PCI_VDEVICE(MELLANOX, 0x1007), 0 }, /* MT27520 Family */
2564 { PCI_VDEVICE(MELLANOX, 0x1008), 0 }, /* MT27521 Family */
2565 { PCI_VDEVICE(MELLANOX, 0x1009), 0 }, /* MT27530 Family */
2566 { PCI_VDEVICE(MELLANOX, 0x100a), 0 }, /* MT27531 Family */
2567 { PCI_VDEVICE(MELLANOX, 0x100b), 0 }, /* MT27540 Family */
2568 { PCI_VDEVICE(MELLANOX, 0x100c), 0 }, /* MT27541 Family */
2569 { PCI_VDEVICE(MELLANOX, 0x100d), 0 }, /* MT27550 Family */
2570 { PCI_VDEVICE(MELLANOX, 0x100e), 0 }, /* MT27551 Family */
2571 { PCI_VDEVICE(MELLANOX, 0x100f), 0 }, /* MT27560 Family */
2572 { PCI_VDEVICE(MELLANOX, 0x1010), 0 }, /* MT27561 Family */
225c7b1f
RD		 2573 { 0, }
2574};
2575
2576MODULE_DEVICE_TABLE(pci, mlx4_pci_table);
2577
57dbf29a
KSS		 2578static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev,
2579 pci_channel_state_t state)
2580{
2581 mlx4_remove_one(pdev);
2582
2583 return state == pci_channel_io_perm_failure ?
2584 PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET;
2585}
2586
2587static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev)
2588{
839f1243 2589 int ret = __mlx4_init_one(pdev, 0);
57dbf29a
KSS		 2590
2591 return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
2592}
2593
3646f0e5 2594static const struct pci_error_handlers mlx4_err_handler = {
57dbf29a
KSS		 2595 .error_detected = mlx4_pci_err_detected,
2596 .slot_reset = mlx4_pci_slot_reset,
2597};
2598
225c7b1f
RD		 2599static struct pci_driver mlx4_driver = {
2600 .name = DRV_NAME,
2601 .id_table = mlx4_pci_table,
2602 .probe = mlx4_init_one,
f57e6848 2603 .remove = mlx4_remove_one,
57dbf29a 2604 .err_handler = &mlx4_err_handler,
225c7b1f
RD		 2605};
2606
7ff93f8b
YP		 2607static int __init mlx4_verify_params(void)
2608{
2609 if ((log_num_mac < 0) || (log_num_mac > 7)) {
0a645e80 2610 pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac);
7ff93f8b
YP		 2611 return -1;
2612 }
2613
cb29688a
OG		 2614 if (log_num_vlan != 0)
2615 pr_warning("mlx4_core: log_num_vlan - obsolete module param, using %d\n",
2616 MLX4_LOG_NUM_VLANS);
7ff93f8b 2617
0498628f 2618 if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) {
0a645e80 2619 pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
ab6bf42e
EC		 2620 return -1;
2621 }
2622
ab9c17a0
JM		 2623 /* Check if module param for ports type has legal combination */
2624 if (port_type_array[0] == false && port_type_array[1] == true) {
2625 printk(KERN_WARNING "Module parameter configuration ETH/IB is not supported. Switching to default configuration IB/IB\n");
2626 port_type_array[0] = true;
2627 }
2628
3c439b55
JM		 2629 if (mlx4_log_num_mgm_entry_size != -1 &&
2630 (mlx4_log_num_mgm_entry_size < MLX4_MIN_MGM_LOG_ENTRY_SIZE ||
2631 mlx4_log_num_mgm_entry_size > MLX4_MAX_MGM_LOG_ENTRY_SIZE)) {
2632 pr_warning("mlx4_core: mlx4_log_num_mgm_entry_size (%d) not "
2633 "in legal range (-1 or %d..%d)\n",
2634 mlx4_log_num_mgm_entry_size,
2635 MLX4_MIN_MGM_LOG_ENTRY_SIZE,
2636 MLX4_MAX_MGM_LOG_ENTRY_SIZE);
2637 return -1;
2638 }
2639
7ff93f8b
YP		 2640 return 0;
2641}
2642
225c7b1f
RD		 2643static int __init mlx4_init(void)
2644{
2645 int ret;
2646
7ff93f8b
YP		 2647 if (mlx4_verify_params())
2648 return -EINVAL;
2649
27bf91d6
YP		 2650 mlx4_catas_init();
2651
2652 mlx4_wq = create_singlethread_workqueue("mlx4");
2653 if (!mlx4_wq)
2654 return -ENOMEM;
ee49bd93 2655
225c7b1f 2656 ret = pci_register_driver(&mlx4_driver);
1b85ee09
WY		 2657 if (ret < 0)
2658 destroy_workqueue(mlx4_wq);
225c7b1f
RD		 2659 return ret < 0 ? ret : 0;
2660}
2661
2662static void __exit mlx4_cleanup(void)
2663{
2664 pci_unregister_driver(&mlx4_driver);
27bf91d6 2665 destroy_workqueue(mlx4_wq);
225c7b1f
RD		 2666}
2667
2668module_init(mlx4_init);
2669module_exit(mlx4_cleanup);
Linux 6.x block layer and io_uring tree(s)