blob: 5bebb8800ab2e39d6b8c5cdeb25d67ccec33ed9c [file] [log] [blame]
Roland Dreier225c7b12007-05-08 18:00:38 -07001/*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
Jack Morgenstein51a379d2008-07-25 10:32:52 -07004 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
Roland Dreier225c7b12007-05-08 18:00:38 -07005 * 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>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090041#include <linux/slab.h>
Roland Dreier225c7b12007-05-08 18:00:38 -070042
43#include <linux/mlx4/device.h>
44#include <linux/mlx4/doorbell.h>
45
46#include "mlx4.h"
47#include "fw.h"
48#include "icm.h"
49
50MODULE_AUTHOR("Roland Dreier");
51MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver");
52MODULE_LICENSE("Dual BSD/GPL");
53MODULE_VERSION(DRV_VERSION);
54
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -070055struct workqueue_struct *mlx4_wq;
56
Roland Dreier225c7b12007-05-08 18:00:38 -070057#ifdef CONFIG_MLX4_DEBUG
58
59int mlx4_debug_level = 0;
60module_param_named(debug_level, mlx4_debug_level, int, 0644);
61MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
62
63#endif /* CONFIG_MLX4_DEBUG */
64
65#ifdef CONFIG_PCI_MSI
66
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +030067static int msi_x = 1;
Roland Dreier225c7b12007-05-08 18:00:38 -070068module_param(msi_x, int, 0444);
69MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
70
71#else /* CONFIG_PCI_MSI */
72
73#define msi_x (0)
74
75#endif /* CONFIG_PCI_MSI */
76
Roland Dreierf33afc22008-02-04 20:20:44 -080077static char mlx4_version[] __devinitdata =
Roland Dreier225c7b12007-05-08 18:00:38 -070078 DRV_NAME ": Mellanox ConnectX core driver v"
79 DRV_VERSION " (" DRV_RELDATE ")\n";
80
81static struct mlx4_profile default_profile = {
Jack Morgenstein9b1f3852008-04-16 21:09:32 -070082 .num_qp = 1 << 17,
Roland Dreier225c7b12007-05-08 18:00:38 -070083 .num_srq = 1 << 16,
Jack Morgensteinc9f2ba52007-07-17 13:11:43 +030084 .rdmarc_per_qp = 1 << 4,
Roland Dreier225c7b12007-05-08 18:00:38 -070085 .num_cq = 1 << 16,
86 .num_mcg = 1 << 13,
87 .num_mpt = 1 << 17,
88 .num_mtt = 1 << 20,
89};
90
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -070091static int log_num_mac = 2;
92module_param_named(log_num_mac, log_num_mac, int, 0444);
93MODULE_PARM_DESC(log_num_mac, "Log2 max number of MACs per ETH port (1-7)");
94
95static int log_num_vlan;
96module_param_named(log_num_vlan, log_num_vlan, int, 0444);
97MODULE_PARM_DESC(log_num_vlan, "Log2 max number of VLANs per ETH port (0-7)");
98
99static int use_prio;
100module_param_named(use_prio, use_prio, bool, 0444);
101MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
102 "(0/1, default 0)");
103
Eli Cohenab6bf422009-05-27 14:38:34 -0700104static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
105module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
Eli Cohen04986282010-09-20 08:42:38 +0200106MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)");
Eli Cohenab6bf422009-05-27 14:38:34 -0700107
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700108int mlx4_check_port_params(struct mlx4_dev *dev,
109 enum mlx4_port_type *port_type)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700110{
111 int i;
112
113 for (i = 0; i < dev->caps.num_ports - 1; i++) {
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700114 if (port_type[i] != port_type[i + 1]) {
115 if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
116 mlx4_err(dev, "Only same port types supported "
117 "on this HCA, aborting.\n");
118 return -EINVAL;
119 }
120 if (port_type[i] == MLX4_PORT_TYPE_ETH &&
121 port_type[i + 1] == MLX4_PORT_TYPE_IB)
122 return -EINVAL;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700123 }
124 }
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700125
126 for (i = 0; i < dev->caps.num_ports; i++) {
127 if (!(port_type[i] & dev->caps.supported_type[i+1])) {
128 mlx4_err(dev, "Requested port type for port %d is not "
129 "supported on this HCA\n", i + 1);
130 return -EINVAL;
131 }
132 }
133 return 0;
134}
135
136static void mlx4_set_port_mask(struct mlx4_dev *dev)
137{
138 int i;
139
140 dev->caps.port_mask = 0;
141 for (i = 1; i <= dev->caps.num_ports; ++i)
142 if (dev->caps.port_type[i] == MLX4_PORT_TYPE_IB)
143 dev->caps.port_mask |= 1 << (i - 1);
144}
Roland Dreier3d73c282007-10-10 15:43:54 -0700145static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
Roland Dreier225c7b12007-05-08 18:00:38 -0700146{
147 int err;
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700148 int i;
Roland Dreier225c7b12007-05-08 18:00:38 -0700149
150 err = mlx4_QUERY_DEV_CAP(dev, dev_cap);
151 if (err) {
152 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
153 return err;
154 }
155
156 if (dev_cap->min_page_sz > PAGE_SIZE) {
157 mlx4_err(dev, "HCA minimum page size of %d bigger than "
158 "kernel PAGE_SIZE of %ld, aborting.\n",
159 dev_cap->min_page_sz, PAGE_SIZE);
160 return -ENODEV;
161 }
162 if (dev_cap->num_ports > MLX4_MAX_PORTS) {
163 mlx4_err(dev, "HCA has %d ports, but we only support %d, "
164 "aborting.\n",
165 dev_cap->num_ports, MLX4_MAX_PORTS);
166 return -ENODEV;
167 }
168
169 if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) {
170 mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than "
171 "PCI resource 2 size of 0x%llx, aborting.\n",
172 dev_cap->uar_size,
173 (unsigned long long) pci_resource_len(dev->pdev, 2));
174 return -ENODEV;
175 }
176
177 dev->caps.num_ports = dev_cap->num_ports;
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700178 for (i = 1; i <= dev->caps.num_ports; ++i) {
179 dev->caps.vl_cap[i] = dev_cap->max_vl[i];
Yevgeny Petrilinb79acb42008-10-22 10:56:48 -0700180 dev->caps.ib_mtu_cap[i] = dev_cap->ib_mtu[i];
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700181 dev->caps.gid_table_len[i] = dev_cap->max_gids[i];
182 dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i];
183 dev->caps.port_width_cap[i] = dev_cap->max_port_width[i];
Yevgeny Petrilinb79acb42008-10-22 10:56:48 -0700184 dev->caps.eth_mtu_cap[i] = dev_cap->eth_mtu[i];
185 dev->caps.def_mac[i] = dev_cap->def_mac[i];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700186 dev->caps.supported_type[i] = dev_cap->supported_port_types[i];
Yevgeny Petrilin76995172010-08-24 03:46:23 +0000187 dev->caps.trans_type[i] = dev_cap->trans_type[i];
188 dev->caps.vendor_oui[i] = dev_cap->vendor_oui[i];
189 dev->caps.wavelength[i] = dev_cap->wavelength[i];
190 dev->caps.trans_code[i] = dev_cap->trans_code[i];
Roland Dreier5ae2a7a2007-06-18 08:15:02 -0700191 }
192
Roland Dreier225c7b12007-05-08 18:00:38 -0700193 dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE;
Roland Dreier225c7b12007-05-08 18:00:38 -0700194 dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay;
195 dev->caps.bf_reg_size = dev_cap->bf_reg_size;
196 dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page;
197 dev->caps.max_sq_sg = dev_cap->max_sq_sg;
198 dev->caps.max_rq_sg = dev_cap->max_rq_sg;
199 dev->caps.max_wqes = dev_cap->max_qp_sz;
200 dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp;
Roland Dreier225c7b12007-05-08 18:00:38 -0700201 dev->caps.max_srq_wqes = dev_cap->max_srq_sz;
202 dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1;
203 dev->caps.reserved_srqs = dev_cap->reserved_srqs;
204 dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz;
205 dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz;
206 dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM;
207 /*
208 * Subtract 1 from the limit because we need to allocate a
209 * spare CQE so the HCA HW can tell the difference between an
210 * empty CQ and a full CQ.
211 */
212 dev->caps.max_cqes = dev_cap->max_cq_sz - 1;
213 dev->caps.reserved_cqs = dev_cap->reserved_cqs;
214 dev->caps.reserved_eqs = dev_cap->reserved_eqs;
Eli Cohenab6bf422009-05-27 14:38:34 -0700215 dev->caps.mtts_per_seg = 1 << log_mtts_per_seg;
Roland Dreier121964e2007-10-09 19:59:16 -0700216 dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts,
Eli Cohenab6bf422009-05-27 14:38:34 -0700217 dev->caps.mtts_per_seg);
Roland Dreier225c7b12007-05-08 18:00:38 -0700218 dev->caps.reserved_mrws = dev_cap->reserved_mrws;
219 dev->caps.reserved_uars = dev_cap->reserved_uars;
220 dev->caps.reserved_pds = dev_cap->reserved_pds;
Eli Cohenab6bf422009-05-27 14:38:34 -0700221 dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz;
Dotan Barak149983af2007-06-26 15:55:28 +0300222 dev->caps.max_msg_sz = dev_cap->max_msg_sz;
Roland Dreier225c7b12007-05-08 18:00:38 -0700223 dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
224 dev->caps.flags = dev_cap->flags;
Roland Dreier95d04f02008-07-23 08:12:26 -0700225 dev->caps.bmme_flags = dev_cap->bmme_flags;
226 dev->caps.reserved_lkey = dev_cap->reserved_lkey;
Roland Dreier225c7b12007-05-08 18:00:38 -0700227 dev->caps.stat_rate_support = dev_cap->stat_rate_support;
Yevgeny Petrilin05339432010-08-24 03:46:42 +0000228 dev->caps.udp_rss = dev_cap->udp_rss;
Yevgeny Petriline7c1c2c42010-08-24 03:46:18 +0000229 dev->caps.loopback_support = dev_cap->loopback_support;
Yevgeny Petrilin14c07b12011-03-22 22:37:59 +0000230 dev->caps.wol = dev_cap->wol;
Eli Cohenb832be12008-04-16 21:09:27 -0700231 dev->caps.max_gso_sz = dev_cap->max_gso_sz;
Roland Dreier225c7b12007-05-08 18:00:38 -0700232
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700233 dev->caps.log_num_macs = log_num_mac;
234 dev->caps.log_num_vlans = log_num_vlan;
235 dev->caps.log_num_prios = use_prio ? 3 : 0;
236
237 for (i = 1; i <= dev->caps.num_ports; ++i) {
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700238 if (dev->caps.supported_type[i] != MLX4_PORT_TYPE_ETH)
239 dev->caps.port_type[i] = MLX4_PORT_TYPE_IB;
240 else
241 dev->caps.port_type[i] = MLX4_PORT_TYPE_ETH;
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700242 dev->caps.possible_type[i] = dev->caps.port_type[i];
243 mlx4_priv(dev)->sense.sense_allowed[i] =
244 dev->caps.supported_type[i] == MLX4_PORT_TYPE_AUTO;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700245
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700246 if (dev->caps.log_num_macs > dev_cap->log_max_macs[i]) {
247 dev->caps.log_num_macs = dev_cap->log_max_macs[i];
248 mlx4_warn(dev, "Requested number of MACs is too much "
249 "for port %d, reducing to %d.\n",
250 i, 1 << dev->caps.log_num_macs);
251 }
252 if (dev->caps.log_num_vlans > dev_cap->log_max_vlans[i]) {
253 dev->caps.log_num_vlans = dev_cap->log_max_vlans[i];
254 mlx4_warn(dev, "Requested number of VLANs is too much "
255 "for port %d, reducing to %d.\n",
256 i, 1 << dev->caps.log_num_vlans);
257 }
258 }
259
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700260 mlx4_set_port_mask(dev);
261
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700262 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
263 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
264 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] =
265 (1 << dev->caps.log_num_macs) *
266 (1 << dev->caps.log_num_vlans) *
267 (1 << dev->caps.log_num_prios) *
268 dev->caps.num_ports;
269 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH] = MLX4_NUM_FEXCH;
270
271 dev->caps.reserved_qps = dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] +
272 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] +
273 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_ADDR] +
274 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FC_EXCH];
275
Roland Dreier225c7b12007-05-08 18:00:38 -0700276 return 0;
277}
278
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700279/*
280 * Change the port configuration of the device.
281 * Every user of this function must hold the port mutex.
282 */
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700283int mlx4_change_port_types(struct mlx4_dev *dev,
284 enum mlx4_port_type *port_types)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700285{
286 int err = 0;
287 int change = 0;
288 int port;
289
290 for (port = 0; port < dev->caps.num_ports; port++) {
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700291 /* Change the port type only if the new type is different
292 * from the current, and not set to Auto */
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700293 if (port_types[port] != dev->caps.port_type[port + 1]) {
294 change = 1;
295 dev->caps.port_type[port + 1] = port_types[port];
296 }
297 }
298 if (change) {
299 mlx4_unregister_device(dev);
300 for (port = 1; port <= dev->caps.num_ports; port++) {
301 mlx4_CLOSE_PORT(dev, port);
302 err = mlx4_SET_PORT(dev, port);
303 if (err) {
304 mlx4_err(dev, "Failed to set port %d, "
305 "aborting\n", port);
306 goto out;
307 }
308 }
309 mlx4_set_port_mask(dev);
310 err = mlx4_register_device(dev);
311 }
312
313out:
314 return err;
315}
316
317static ssize_t show_port_type(struct device *dev,
318 struct device_attribute *attr,
319 char *buf)
320{
321 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
322 port_attr);
323 struct mlx4_dev *mdev = info->dev;
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700324 char type[8];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700325
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700326 sprintf(type, "%s",
327 (mdev->caps.port_type[info->port] == MLX4_PORT_TYPE_IB) ?
328 "ib" : "eth");
329 if (mdev->caps.possible_type[info->port] == MLX4_PORT_TYPE_AUTO)
330 sprintf(buf, "auto (%s)\n", type);
331 else
332 sprintf(buf, "%s\n", type);
333
334 return strlen(buf);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700335}
336
337static ssize_t set_port_type(struct device *dev,
338 struct device_attribute *attr,
339 const char *buf, size_t count)
340{
341 struct mlx4_port_info *info = container_of(attr, struct mlx4_port_info,
342 port_attr);
343 struct mlx4_dev *mdev = info->dev;
344 struct mlx4_priv *priv = mlx4_priv(mdev);
345 enum mlx4_port_type types[MLX4_MAX_PORTS];
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700346 enum mlx4_port_type new_types[MLX4_MAX_PORTS];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700347 int i;
348 int err = 0;
349
350 if (!strcmp(buf, "ib\n"))
351 info->tmp_type = MLX4_PORT_TYPE_IB;
352 else if (!strcmp(buf, "eth\n"))
353 info->tmp_type = MLX4_PORT_TYPE_ETH;
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700354 else if (!strcmp(buf, "auto\n"))
355 info->tmp_type = MLX4_PORT_TYPE_AUTO;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700356 else {
357 mlx4_err(mdev, "%s is not supported port type\n", buf);
358 return -EINVAL;
359 }
360
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700361 mlx4_stop_sense(mdev);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700362 mutex_lock(&priv->port_mutex);
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700363 /* Possible type is always the one that was delivered */
364 mdev->caps.possible_type[info->port] = info->tmp_type;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700365
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700366 for (i = 0; i < mdev->caps.num_ports; i++) {
367 types[i] = priv->port[i+1].tmp_type ? priv->port[i+1].tmp_type :
368 mdev->caps.possible_type[i+1];
369 if (types[i] == MLX4_PORT_TYPE_AUTO)
370 types[i] = mdev->caps.port_type[i+1];
371 }
372
373 if (!(mdev->caps.flags & MLX4_DEV_CAP_FLAG_DPDP)) {
374 for (i = 1; i <= mdev->caps.num_ports; i++) {
375 if (mdev->caps.possible_type[i] == MLX4_PORT_TYPE_AUTO) {
376 mdev->caps.possible_type[i] = mdev->caps.port_type[i];
377 err = -EINVAL;
378 }
379 }
380 }
381 if (err) {
382 mlx4_err(mdev, "Auto sensing is not supported on this HCA. "
383 "Set only 'eth' or 'ib' for both ports "
384 "(should be the same)\n");
385 goto out;
386 }
387
388 mlx4_do_sense_ports(mdev, new_types, types);
389
390 err = mlx4_check_port_params(mdev, new_types);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700391 if (err)
392 goto out;
393
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700394 /* We are about to apply the changes after the configuration
395 * was verified, no need to remember the temporary types
396 * any more */
397 for (i = 0; i < mdev->caps.num_ports; i++)
398 priv->port[i + 1].tmp_type = 0;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700399
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700400 err = mlx4_change_port_types(mdev, new_types);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700401
402out:
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -0700403 mlx4_start_sense(mdev);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700404 mutex_unlock(&priv->port_mutex);
405 return err ? err : count;
406}
407
Roland Dreiere8f9b2e2008-02-04 20:20:41 -0800408static int mlx4_load_fw(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700409{
410 struct mlx4_priv *priv = mlx4_priv(dev);
411 int err;
412
413 priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300414 GFP_HIGHUSER | __GFP_NOWARN, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700415 if (!priv->fw.fw_icm) {
416 mlx4_err(dev, "Couldn't allocate FW area, aborting.\n");
417 return -ENOMEM;
418 }
419
420 err = mlx4_MAP_FA(dev, priv->fw.fw_icm);
421 if (err) {
422 mlx4_err(dev, "MAP_FA command failed, aborting.\n");
423 goto err_free;
424 }
425
426 err = mlx4_RUN_FW(dev);
427 if (err) {
428 mlx4_err(dev, "RUN_FW command failed, aborting.\n");
429 goto err_unmap_fa;
430 }
431
432 return 0;
433
434err_unmap_fa:
435 mlx4_UNMAP_FA(dev);
436
437err_free:
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300438 mlx4_free_icm(dev, priv->fw.fw_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700439 return err;
440}
441
Roland Dreiere8f9b2e2008-02-04 20:20:41 -0800442static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base,
443 int cmpt_entry_sz)
Roland Dreier225c7b12007-05-08 18:00:38 -0700444{
445 struct mlx4_priv *priv = mlx4_priv(dev);
446 int err;
447
448 err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table,
449 cmpt_base +
450 ((u64) (MLX4_CMPT_TYPE_QP *
451 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
452 cmpt_entry_sz, dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700453 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
454 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700455 if (err)
456 goto err;
457
458 err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table,
459 cmpt_base +
460 ((u64) (MLX4_CMPT_TYPE_SRQ *
461 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
462 cmpt_entry_sz, dev->caps.num_srqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300463 dev->caps.reserved_srqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700464 if (err)
465 goto err_qp;
466
467 err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table,
468 cmpt_base +
469 ((u64) (MLX4_CMPT_TYPE_CQ *
470 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
471 cmpt_entry_sz, dev->caps.num_cqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300472 dev->caps.reserved_cqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700473 if (err)
474 goto err_srq;
475
476 err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table,
477 cmpt_base +
478 ((u64) (MLX4_CMPT_TYPE_EQ *
479 cmpt_entry_sz) << MLX4_CMPT_SHIFT),
480 cmpt_entry_sz,
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800481 dev->caps.num_eqs, dev->caps.num_eqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700482 if (err)
483 goto err_cq;
484
485 return 0;
486
487err_cq:
488 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
489
490err_srq:
491 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
492
493err_qp:
494 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
495
496err:
497 return err;
498}
499
Roland Dreier3d73c282007-10-10 15:43:54 -0700500static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap,
501 struct mlx4_init_hca_param *init_hca, u64 icm_size)
Roland Dreier225c7b12007-05-08 18:00:38 -0700502{
503 struct mlx4_priv *priv = mlx4_priv(dev);
504 u64 aux_pages;
505 int err;
506
507 err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages);
508 if (err) {
509 mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n");
510 return err;
511 }
512
513 mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n",
514 (unsigned long long) icm_size >> 10,
515 (unsigned long long) aux_pages << 2);
516
517 priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300518 GFP_HIGHUSER | __GFP_NOWARN, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700519 if (!priv->fw.aux_icm) {
520 mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n");
521 return -ENOMEM;
522 }
523
524 err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm);
525 if (err) {
526 mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n");
527 goto err_free_aux;
528 }
529
530 err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz);
531 if (err) {
532 mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n");
533 goto err_unmap_aux;
534 }
535
Roland Dreierfa0681d2009-09-05 20:24:49 -0700536 err = mlx4_init_icm_table(dev, &priv->eq_table.table,
537 init_hca->eqc_base, dev_cap->eqc_entry_sz,
538 dev->caps.num_eqs, dev->caps.num_eqs,
539 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700540 if (err) {
541 mlx4_err(dev, "Failed to map EQ context memory, aborting.\n");
542 goto err_unmap_cmpt;
543 }
544
Jack Morgensteind7bb58f2007-08-01 12:28:53 +0300545 /*
546 * Reserved MTT entries must be aligned up to a cacheline
547 * boundary, since the FW will write to them, while the driver
548 * writes to all other MTT entries. (The variable
549 * dev->caps.mtt_entry_sz below is really the MTT segment
550 * size, not the raw entry size)
551 */
552 dev->caps.reserved_mtts =
553 ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz,
554 dma_get_cache_alignment()) / dev->caps.mtt_entry_sz;
555
Roland Dreier225c7b12007-05-08 18:00:38 -0700556 err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table,
557 init_hca->mtt_base,
558 dev->caps.mtt_entry_sz,
559 dev->caps.num_mtt_segs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300560 dev->caps.reserved_mtts, 1, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700561 if (err) {
562 mlx4_err(dev, "Failed to map MTT context memory, aborting.\n");
563 goto err_unmap_eq;
564 }
565
566 err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table,
567 init_hca->dmpt_base,
568 dev_cap->dmpt_entry_sz,
569 dev->caps.num_mpts,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300570 dev->caps.reserved_mrws, 1, 1);
Roland Dreier225c7b12007-05-08 18:00:38 -0700571 if (err) {
572 mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n");
573 goto err_unmap_mtt;
574 }
575
576 err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table,
577 init_hca->qpc_base,
578 dev_cap->qpc_entry_sz,
579 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700580 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
581 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700582 if (err) {
583 mlx4_err(dev, "Failed to map QP context memory, aborting.\n");
584 goto err_unmap_dmpt;
585 }
586
587 err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table,
588 init_hca->auxc_base,
589 dev_cap->aux_entry_sz,
590 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700591 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
592 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700593 if (err) {
594 mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n");
595 goto err_unmap_qp;
596 }
597
598 err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table,
599 init_hca->altc_base,
600 dev_cap->altc_entry_sz,
601 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700602 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
603 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700604 if (err) {
605 mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n");
606 goto err_unmap_auxc;
607 }
608
609 err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table,
610 init_hca->rdmarc_base,
611 dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift,
612 dev->caps.num_qps,
Yevgeny Petrilin93fc9e12008-10-22 10:25:29 -0700613 dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW],
614 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700615 if (err) {
616 mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n");
617 goto err_unmap_altc;
618 }
619
620 err = mlx4_init_icm_table(dev, &priv->cq_table.table,
621 init_hca->cqc_base,
622 dev_cap->cqc_entry_sz,
623 dev->caps.num_cqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300624 dev->caps.reserved_cqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700625 if (err) {
626 mlx4_err(dev, "Failed to map CQ context memory, aborting.\n");
627 goto err_unmap_rdmarc;
628 }
629
630 err = mlx4_init_icm_table(dev, &priv->srq_table.table,
631 init_hca->srqc_base,
632 dev_cap->srq_entry_sz,
633 dev->caps.num_srqs,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300634 dev->caps.reserved_srqs, 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700635 if (err) {
636 mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n");
637 goto err_unmap_cq;
638 }
639
640 /*
641 * It's not strictly required, but for simplicity just map the
642 * whole multicast group table now. The table isn't very big
643 * and it's a lot easier than trying to track ref counts.
644 */
645 err = mlx4_init_icm_table(dev, &priv->mcg_table.table,
646 init_hca->mc_base, MLX4_MGM_ENTRY_SIZE,
647 dev->caps.num_mgms + dev->caps.num_amgms,
648 dev->caps.num_mgms + dev->caps.num_amgms,
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300649 0, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700650 if (err) {
651 mlx4_err(dev, "Failed to map MCG context memory, aborting.\n");
652 goto err_unmap_srq;
653 }
654
655 return 0;
656
657err_unmap_srq:
658 mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
659
660err_unmap_cq:
661 mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
662
663err_unmap_rdmarc:
664 mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
665
666err_unmap_altc:
667 mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
668
669err_unmap_auxc:
670 mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
671
672err_unmap_qp:
673 mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
674
675err_unmap_dmpt:
676 mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
677
678err_unmap_mtt:
679 mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
680
681err_unmap_eq:
Roland Dreierfa0681d2009-09-05 20:24:49 -0700682 mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
Roland Dreier225c7b12007-05-08 18:00:38 -0700683
684err_unmap_cmpt:
685 mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
686 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
687 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
688 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
689
690err_unmap_aux:
691 mlx4_UNMAP_ICM_AUX(dev);
692
693err_free_aux:
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300694 mlx4_free_icm(dev, priv->fw.aux_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700695
696 return err;
697}
698
699static void mlx4_free_icms(struct mlx4_dev *dev)
700{
701 struct mlx4_priv *priv = mlx4_priv(dev);
702
703 mlx4_cleanup_icm_table(dev, &priv->mcg_table.table);
704 mlx4_cleanup_icm_table(dev, &priv->srq_table.table);
705 mlx4_cleanup_icm_table(dev, &priv->cq_table.table);
706 mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table);
707 mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table);
708 mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table);
709 mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table);
710 mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table);
711 mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table);
Roland Dreierfa0681d2009-09-05 20:24:49 -0700712 mlx4_cleanup_icm_table(dev, &priv->eq_table.table);
Roland Dreier225c7b12007-05-08 18:00:38 -0700713 mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table);
714 mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table);
715 mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table);
716 mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table);
Roland Dreier225c7b12007-05-08 18:00:38 -0700717
718 mlx4_UNMAP_ICM_AUX(dev);
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300719 mlx4_free_icm(dev, priv->fw.aux_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700720}
721
722static void mlx4_close_hca(struct mlx4_dev *dev)
723{
724 mlx4_CLOSE_HCA(dev, 0);
725 mlx4_free_icms(dev);
726 mlx4_UNMAP_FA(dev);
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300727 mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700728}
729
Roland Dreier3d73c282007-10-10 15:43:54 -0700730static int mlx4_init_hca(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700731{
732 struct mlx4_priv *priv = mlx4_priv(dev);
733 struct mlx4_adapter adapter;
734 struct mlx4_dev_cap dev_cap;
Vladimir Sokolovsky2d928652008-07-14 23:48:53 -0700735 struct mlx4_mod_stat_cfg mlx4_cfg;
Roland Dreier225c7b12007-05-08 18:00:38 -0700736 struct mlx4_profile profile;
737 struct mlx4_init_hca_param init_hca;
738 u64 icm_size;
739 int err;
740
741 err = mlx4_QUERY_FW(dev);
742 if (err) {
Yevgeny Petrilincc4ac2e2009-07-06 16:10:03 -0700743 if (err == -EACCES)
744 mlx4_info(dev, "non-primary physical function, skipping.\n");
745 else
746 mlx4_err(dev, "QUERY_FW command failed, aborting.\n");
Roland Dreier225c7b12007-05-08 18:00:38 -0700747 return err;
748 }
749
750 err = mlx4_load_fw(dev);
751 if (err) {
752 mlx4_err(dev, "Failed to start FW, aborting.\n");
753 return err;
754 }
755
Vladimir Sokolovsky2d928652008-07-14 23:48:53 -0700756 mlx4_cfg.log_pg_sz_m = 1;
757 mlx4_cfg.log_pg_sz = 0;
758 err = mlx4_MOD_STAT_CFG(dev, &mlx4_cfg);
759 if (err)
760 mlx4_warn(dev, "Failed to override log_pg_sz parameter\n");
761
Roland Dreier225c7b12007-05-08 18:00:38 -0700762 err = mlx4_dev_cap(dev, &dev_cap);
763 if (err) {
764 mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n");
765 goto err_stop_fw;
766 }
767
768 profile = default_profile;
769
770 icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca);
771 if ((long long) icm_size < 0) {
772 err = icm_size;
773 goto err_stop_fw;
774 }
775
776 init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
777
778 err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
779 if (err)
780 goto err_stop_fw;
781
782 err = mlx4_INIT_HCA(dev, &init_hca);
783 if (err) {
784 mlx4_err(dev, "INIT_HCA command failed, aborting.\n");
785 goto err_free_icm;
786 }
787
788 err = mlx4_QUERY_ADAPTER(dev, &adapter);
789 if (err) {
790 mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n");
791 goto err_close;
792 }
793
794 priv->eq_table.inta_pin = adapter.inta_pin;
Jack Morgensteincd9281d2007-09-18 09:14:18 +0200795 memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id);
Roland Dreier225c7b12007-05-08 18:00:38 -0700796
797 return 0;
798
799err_close:
Yevgeny Petrilin1af92e22009-09-05 20:24:49 -0700800 mlx4_CLOSE_HCA(dev, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700801
802err_free_icm:
803 mlx4_free_icms(dev);
804
805err_stop_fw:
806 mlx4_UNMAP_FA(dev);
Jack Morgenstein5b0bf5e2007-08-01 12:28:20 +0300807 mlx4_free_icm(dev, priv->fw.fw_icm, 0);
Roland Dreier225c7b12007-05-08 18:00:38 -0700808
809 return err;
810}
811
Roland Dreier3d73c282007-10-10 15:43:54 -0700812static int mlx4_setup_hca(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700813{
814 struct mlx4_priv *priv = mlx4_priv(dev);
815 int err;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700816 int port;
Jack Morgenstein9a5aa622008-11-28 21:29:46 -0800817 __be32 ib_port_default_caps;
Roland Dreier225c7b12007-05-08 18:00:38 -0700818
Roland Dreier225c7b12007-05-08 18:00:38 -0700819 err = mlx4_init_uar_table(dev);
820 if (err) {
821 mlx4_err(dev, "Failed to initialize "
822 "user access region table, aborting.\n");
823 return err;
824 }
825
826 err = mlx4_uar_alloc(dev, &priv->driver_uar);
827 if (err) {
828 mlx4_err(dev, "Failed to allocate driver access region, "
829 "aborting.\n");
830 goto err_uar_table_free;
831 }
832
Roland Dreier4979d182011-01-12 09:50:36 -0800833 priv->kar = ioremap((phys_addr_t) priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
Roland Dreier225c7b12007-05-08 18:00:38 -0700834 if (!priv->kar) {
835 mlx4_err(dev, "Couldn't map kernel access region, "
836 "aborting.\n");
837 err = -ENOMEM;
838 goto err_uar_free;
839 }
840
841 err = mlx4_init_pd_table(dev);
842 if (err) {
843 mlx4_err(dev, "Failed to initialize "
844 "protection domain table, aborting.\n");
845 goto err_kar_unmap;
846 }
847
848 err = mlx4_init_mr_table(dev);
849 if (err) {
850 mlx4_err(dev, "Failed to initialize "
851 "memory region table, aborting.\n");
852 goto err_pd_table_free;
853 }
854
Roland Dreier225c7b12007-05-08 18:00:38 -0700855 err = mlx4_init_eq_table(dev);
856 if (err) {
857 mlx4_err(dev, "Failed to initialize "
858 "event queue table, aborting.\n");
Jack Morgensteinee49bd92007-07-12 17:50:45 +0300859 goto err_mr_table_free;
Roland Dreier225c7b12007-05-08 18:00:38 -0700860 }
861
862 err = mlx4_cmd_use_events(dev);
863 if (err) {
864 mlx4_err(dev, "Failed to switch to event-driven "
865 "firmware commands, aborting.\n");
866 goto err_eq_table_free;
867 }
868
869 err = mlx4_NOP(dev);
870 if (err) {
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +0300871 if (dev->flags & MLX4_FLAG_MSI_X) {
872 mlx4_warn(dev, "NOP command failed to generate MSI-X "
873 "interrupt IRQ %d).\n",
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800874 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +0300875 mlx4_warn(dev, "Trying again without MSI-X.\n");
876 } else {
877 mlx4_err(dev, "NOP command failed to generate interrupt "
878 "(IRQ %d), aborting.\n",
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800879 priv->eq_table.eq[dev->caps.num_comp_vectors].irq);
Roland Dreier225c7b12007-05-08 18:00:38 -0700880 mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n");
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +0300881 }
Roland Dreier225c7b12007-05-08 18:00:38 -0700882
883 goto err_cmd_poll;
884 }
885
886 mlx4_dbg(dev, "NOP command IRQ test passed\n");
887
888 err = mlx4_init_cq_table(dev);
889 if (err) {
890 mlx4_err(dev, "Failed to initialize "
891 "completion queue table, aborting.\n");
892 goto err_cmd_poll;
893 }
894
895 err = mlx4_init_srq_table(dev);
896 if (err) {
897 mlx4_err(dev, "Failed to initialize "
898 "shared receive queue table, aborting.\n");
899 goto err_cq_table_free;
900 }
901
902 err = mlx4_init_qp_table(dev);
903 if (err) {
904 mlx4_err(dev, "Failed to initialize "
905 "queue pair table, aborting.\n");
906 goto err_srq_table_free;
907 }
908
909 err = mlx4_init_mcg_table(dev);
910 if (err) {
911 mlx4_err(dev, "Failed to initialize "
912 "multicast group table, aborting.\n");
913 goto err_qp_table_free;
914 }
915
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700916 for (port = 1; port <= dev->caps.num_ports; port++) {
Jack Morgenstein9a5aa622008-11-28 21:29:46 -0800917 ib_port_default_caps = 0;
918 err = mlx4_get_port_ib_caps(dev, port, &ib_port_default_caps);
919 if (err)
920 mlx4_warn(dev, "failed to get port %d default "
921 "ib capabilities (%d). Continuing with "
922 "caps = 0\n", port, err);
923 dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700924 err = mlx4_SET_PORT(dev, port);
925 if (err) {
926 mlx4_err(dev, "Failed to set port %d, aborting\n",
927 port);
928 goto err_mcg_table_free;
929 }
930 }
931
Roland Dreier225c7b12007-05-08 18:00:38 -0700932 return 0;
933
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -0700934err_mcg_table_free:
935 mlx4_cleanup_mcg_table(dev);
936
Roland Dreier225c7b12007-05-08 18:00:38 -0700937err_qp_table_free:
938 mlx4_cleanup_qp_table(dev);
939
940err_srq_table_free:
941 mlx4_cleanup_srq_table(dev);
942
943err_cq_table_free:
944 mlx4_cleanup_cq_table(dev);
945
946err_cmd_poll:
947 mlx4_cmd_use_polling(dev);
948
949err_eq_table_free:
950 mlx4_cleanup_eq_table(dev);
951
Jack Morgensteinee49bd92007-07-12 17:50:45 +0300952err_mr_table_free:
Roland Dreier225c7b12007-05-08 18:00:38 -0700953 mlx4_cleanup_mr_table(dev);
954
955err_pd_table_free:
956 mlx4_cleanup_pd_table(dev);
957
958err_kar_unmap:
959 iounmap(priv->kar);
960
961err_uar_free:
962 mlx4_uar_free(dev, &priv->driver_uar);
963
964err_uar_table_free:
965 mlx4_cleanup_uar_table(dev);
966 return err;
967}
968
Roland Dreiere8f9b2e2008-02-04 20:20:41 -0800969static void mlx4_enable_msi_x(struct mlx4_dev *dev)
Roland Dreier225c7b12007-05-08 18:00:38 -0700970{
971 struct mlx4_priv *priv = mlx4_priv(dev);
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800972 struct msix_entry *entries;
Yevgeny Petrilin0b7ca5a2011-03-22 22:37:47 +0000973 int nreq = min_t(int, dev->caps.num_ports *
974 min_t(int, num_online_cpus() + 1, MAX_MSIX_P_PORT)
975 + MSIX_LEGACY_SZ, MAX_MSIX);
Roland Dreier225c7b12007-05-08 18:00:38 -0700976 int err;
977 int i;
978
979 if (msi_x) {
Roland Dreier70cb9252009-01-09 13:14:07 -0800980 nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
Yevgeny Petrilin0b7ca5a2011-03-22 22:37:47 +0000981 nreq);
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800982 entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
983 if (!entries)
984 goto no_msi;
985
986 for (i = 0; i < nreq; ++i)
Roland Dreier225c7b12007-05-08 18:00:38 -0700987 entries[i].entry = i;
988
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800989 retry:
990 err = pci_enable_msix(dev->pdev, entries, nreq);
Roland Dreier225c7b12007-05-08 18:00:38 -0700991 if (err) {
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -0800992 /* Try again if at least 2 vectors are available */
993 if (err > 1) {
994 mlx4_info(dev, "Requested %d vectors, "
995 "but only %d MSI-X vectors available, "
996 "trying again\n", nreq, err);
997 nreq = err;
998 goto retry;
999 }
Nicolas Morey-Chaisemartin5bf0da72009-04-21 10:11:06 -07001000 kfree(entries);
Roland Dreier225c7b12007-05-08 18:00:38 -07001001 goto no_msi;
1002 }
1003
Yevgeny Petrilin0b7ca5a2011-03-22 22:37:47 +00001004 if (nreq <
1005 MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) {
1006 /*Working in legacy mode , all EQ's shared*/
1007 dev->caps.comp_pool = 0;
1008 dev->caps.num_comp_vectors = nreq - 1;
1009 } else {
1010 dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ;
1011 dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1;
1012 }
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001013 for (i = 0; i < nreq; ++i)
Roland Dreier225c7b12007-05-08 18:00:38 -07001014 priv->eq_table.eq[i].irq = entries[i].vector;
1015
1016 dev->flags |= MLX4_FLAG_MSI_X;
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001017
1018 kfree(entries);
Roland Dreier225c7b12007-05-08 18:00:38 -07001019 return;
1020 }
1021
1022no_msi:
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001023 dev->caps.num_comp_vectors = 1;
Yevgeny Petrilin0b7ca5a2011-03-22 22:37:47 +00001024 dev->caps.comp_pool = 0;
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001025
1026 for (i = 0; i < 2; ++i)
Roland Dreier225c7b12007-05-08 18:00:38 -07001027 priv->eq_table.eq[i].irq = dev->pdev->irq;
1028}
1029
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001030static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001031{
1032 struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001033 int err = 0;
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001034
1035 info->dev = dev;
1036 info->port = port;
1037 mlx4_init_mac_table(dev, &info->mac_table);
1038 mlx4_init_vlan_table(dev, &info->vlan_table);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001039
1040 sprintf(info->dev_name, "mlx4_port%d", port);
1041 info->port_attr.attr.name = info->dev_name;
1042 info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
1043 info->port_attr.show = show_port_type;
1044 info->port_attr.store = set_port_type;
Greg Kroah-Hartman3691c962010-03-15 14:01:55 -07001045 sysfs_attr_init(&info->port_attr.attr);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001046
1047 err = device_create_file(&dev->pdev->dev, &info->port_attr);
1048 if (err) {
1049 mlx4_err(dev, "Failed to create file for port %d\n", port);
1050 info->port = -1;
1051 }
1052
1053 return err;
1054}
1055
1056static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
1057{
1058 if (info->port < 0)
1059 return;
1060
1061 device_remove_file(&info->dev->pdev->dev, &info->port_attr);
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001062}
1063
Roland Dreier3d73c282007-10-10 15:43:54 -07001064static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
Roland Dreier225c7b12007-05-08 18:00:38 -07001065{
Roland Dreier225c7b12007-05-08 18:00:38 -07001066 struct mlx4_priv *priv;
1067 struct mlx4_dev *dev;
1068 int err;
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001069 int port;
Roland Dreier225c7b12007-05-08 18:00:38 -07001070
Joe Perches0a645e82010-07-10 07:22:46 +00001071 pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev));
Roland Dreier225c7b12007-05-08 18:00:38 -07001072
1073 err = pci_enable_device(pdev);
1074 if (err) {
1075 dev_err(&pdev->dev, "Cannot enable PCI device, "
1076 "aborting.\n");
1077 return err;
1078 }
1079
1080 /*
Eli Cohen4ff08a72008-04-16 21:09:35 -07001081 * Check for BARs. We expect 0: 1MB
Roland Dreier225c7b12007-05-08 18:00:38 -07001082 */
1083 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1084 pci_resource_len(pdev, 0) != 1 << 20) {
1085 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1086 err = -ENODEV;
1087 goto err_disable_pdev;
1088 }
1089 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1090 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1091 err = -ENODEV;
1092 goto err_disable_pdev;
1093 }
1094
Roland Dreiera01df0f2009-09-05 20:24:48 -07001095 err = pci_request_regions(pdev, DRV_NAME);
Roland Dreier225c7b12007-05-08 18:00:38 -07001096 if (err) {
Roland Dreiera01df0f2009-09-05 20:24:48 -07001097 dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n");
Roland Dreier225c7b12007-05-08 18:00:38 -07001098 goto err_disable_pdev;
1099 }
1100
Roland Dreier225c7b12007-05-08 18:00:38 -07001101 pci_set_master(pdev);
1102
Yang Hongyang6a355282009-04-06 19:01:13 -07001103 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
Roland Dreier225c7b12007-05-08 18:00:38 -07001104 if (err) {
1105 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
Yang Hongyang284901a2009-04-06 19:01:15 -07001106 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
Roland Dreier225c7b12007-05-08 18:00:38 -07001107 if (err) {
1108 dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
Roland Dreiera01df0f2009-09-05 20:24:48 -07001109 goto err_release_regions;
Roland Dreier225c7b12007-05-08 18:00:38 -07001110 }
1111 }
Yang Hongyang6a355282009-04-06 19:01:13 -07001112 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
Roland Dreier225c7b12007-05-08 18:00:38 -07001113 if (err) {
1114 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1115 "consistent PCI DMA mask.\n");
Yang Hongyang284901a2009-04-06 19:01:15 -07001116 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
Roland Dreier225c7b12007-05-08 18:00:38 -07001117 if (err) {
1118 dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1119 "aborting.\n");
Roland Dreiera01df0f2009-09-05 20:24:48 -07001120 goto err_release_regions;
Roland Dreier225c7b12007-05-08 18:00:38 -07001121 }
1122 }
1123
1124 priv = kzalloc(sizeof *priv, GFP_KERNEL);
1125 if (!priv) {
1126 dev_err(&pdev->dev, "Device struct alloc failed, "
1127 "aborting.\n");
1128 err = -ENOMEM;
Roland Dreiera01df0f2009-09-05 20:24:48 -07001129 goto err_release_regions;
Roland Dreier225c7b12007-05-08 18:00:38 -07001130 }
1131
1132 dev = &priv->dev;
1133 dev->pdev = pdev;
Roland Dreierb5814012007-06-07 11:51:58 -07001134 INIT_LIST_HEAD(&priv->ctx_list);
1135 spin_lock_init(&priv->ctx_lock);
Roland Dreier225c7b12007-05-08 18:00:38 -07001136
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001137 mutex_init(&priv->port_mutex);
1138
Yevgeny Petrilin62968832008-04-23 11:55:45 -07001139 INIT_LIST_HEAD(&priv->pgdir_list);
1140 mutex_init(&priv->pgdir_mutex);
1141
Yevgeny Petrilin725c8992011-03-22 22:38:07 +00001142 pci_read_config_byte(pdev, PCI_REVISION_ID, &dev->rev_id);
1143
Roland Dreier225c7b12007-05-08 18:00:38 -07001144 /*
1145 * Now reset the HCA before we touch the PCI capabilities or
1146 * attempt a firmware command, since a boot ROM may have left
1147 * the HCA in an undefined state.
1148 */
1149 err = mlx4_reset(dev);
1150 if (err) {
1151 mlx4_err(dev, "Failed to reset HCA, aborting.\n");
1152 goto err_free_dev;
1153 }
1154
Roland Dreier225c7b12007-05-08 18:00:38 -07001155 if (mlx4_cmd_init(dev)) {
1156 mlx4_err(dev, "Failed to init command interface, aborting.\n");
1157 goto err_free_dev;
1158 }
1159
1160 err = mlx4_init_hca(dev);
1161 if (err)
1162 goto err_cmd;
1163
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001164 err = mlx4_alloc_eq_table(dev);
1165 if (err)
1166 goto err_close;
1167
Yevgeny Petrilin0b7ca5a2011-03-22 22:37:47 +00001168 priv->msix_ctl.pool_bm = 0;
1169 spin_lock_init(&priv->msix_ctl.pool_lock);
1170
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +03001171 mlx4_enable_msi_x(dev);
1172
Roland Dreier225c7b12007-05-08 18:00:38 -07001173 err = mlx4_setup_hca(dev);
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +03001174 if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) {
1175 dev->flags &= ~MLX4_FLAG_MSI_X;
1176 pci_disable_msix(pdev);
1177 err = mlx4_setup_hca(dev);
1178 }
1179
Roland Dreier225c7b12007-05-08 18:00:38 -07001180 if (err)
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001181 goto err_free_eq;
Roland Dreier225c7b12007-05-08 18:00:38 -07001182
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001183 for (port = 1; port <= dev->caps.num_ports; port++) {
1184 err = mlx4_init_port_info(dev, port);
1185 if (err)
1186 goto err_port;
1187 }
Yevgeny Petrilin2a2336f2008-10-22 11:44:46 -07001188
Roland Dreier225c7b12007-05-08 18:00:38 -07001189 err = mlx4_register_device(dev);
1190 if (err)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001191 goto err_port;
Roland Dreier225c7b12007-05-08 18:00:38 -07001192
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001193 mlx4_sense_init(dev);
1194 mlx4_start_sense(dev);
1195
Roland Dreier225c7b12007-05-08 18:00:38 -07001196 pci_set_drvdata(pdev, dev);
1197
1198 return 0;
1199
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001200err_port:
Eli Cohenb4f77262010-01-06 12:54:39 -08001201 for (--port; port >= 1; --port)
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001202 mlx4_cleanup_port_info(&priv->port[port]);
1203
Roland Dreier225c7b12007-05-08 18:00:38 -07001204 mlx4_cleanup_mcg_table(dev);
1205 mlx4_cleanup_qp_table(dev);
1206 mlx4_cleanup_srq_table(dev);
1207 mlx4_cleanup_cq_table(dev);
1208 mlx4_cmd_use_polling(dev);
1209 mlx4_cleanup_eq_table(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001210 mlx4_cleanup_mr_table(dev);
1211 mlx4_cleanup_pd_table(dev);
1212 mlx4_cleanup_uar_table(dev);
1213
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001214err_free_eq:
1215 mlx4_free_eq_table(dev);
1216
Roland Dreier225c7b12007-05-08 18:00:38 -07001217err_close:
Michael S. Tsirkin08fb1052007-08-07 16:08:28 +03001218 if (dev->flags & MLX4_FLAG_MSI_X)
1219 pci_disable_msix(pdev);
1220
Roland Dreier225c7b12007-05-08 18:00:38 -07001221 mlx4_close_hca(dev);
1222
1223err_cmd:
1224 mlx4_cmd_cleanup(dev);
1225
1226err_free_dev:
Roland Dreier225c7b12007-05-08 18:00:38 -07001227 kfree(priv);
1228
Roland Dreiera01df0f2009-09-05 20:24:48 -07001229err_release_regions:
1230 pci_release_regions(pdev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001231
1232err_disable_pdev:
1233 pci_disable_device(pdev);
1234 pci_set_drvdata(pdev, NULL);
1235 return err;
1236}
1237
Roland Dreier3d73c282007-10-10 15:43:54 -07001238static int __devinit mlx4_init_one(struct pci_dev *pdev,
1239 const struct pci_device_id *id)
1240{
Joe Perches0a645e82010-07-10 07:22:46 +00001241 printk_once(KERN_INFO "%s", mlx4_version);
Roland Dreier3d73c282007-10-10 15:43:54 -07001242
Roland Dreierb027cac2007-10-13 14:10:50 -07001243 return __mlx4_init_one(pdev, id);
Roland Dreier3d73c282007-10-10 15:43:54 -07001244}
1245
1246static void mlx4_remove_one(struct pci_dev *pdev)
Roland Dreier225c7b12007-05-08 18:00:38 -07001247{
1248 struct mlx4_dev *dev = pci_get_drvdata(pdev);
1249 struct mlx4_priv *priv = mlx4_priv(dev);
1250 int p;
1251
1252 if (dev) {
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001253 mlx4_stop_sense(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001254 mlx4_unregister_device(dev);
1255
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001256 for (p = 1; p <= dev->caps.num_ports; p++) {
1257 mlx4_cleanup_port_info(&priv->port[p]);
Roland Dreier225c7b12007-05-08 18:00:38 -07001258 mlx4_CLOSE_PORT(dev, p);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001259 }
Roland Dreier225c7b12007-05-08 18:00:38 -07001260
1261 mlx4_cleanup_mcg_table(dev);
1262 mlx4_cleanup_qp_table(dev);
1263 mlx4_cleanup_srq_table(dev);
1264 mlx4_cleanup_cq_table(dev);
1265 mlx4_cmd_use_polling(dev);
1266 mlx4_cleanup_eq_table(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001267 mlx4_cleanup_mr_table(dev);
1268 mlx4_cleanup_pd_table(dev);
1269
1270 iounmap(priv->kar);
1271 mlx4_uar_free(dev, &priv->driver_uar);
1272 mlx4_cleanup_uar_table(dev);
Yevgeny Petrilinb8dd7862008-12-22 07:15:03 -08001273 mlx4_free_eq_table(dev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001274 mlx4_close_hca(dev);
1275 mlx4_cmd_cleanup(dev);
1276
1277 if (dev->flags & MLX4_FLAG_MSI_X)
1278 pci_disable_msix(pdev);
1279
1280 kfree(priv);
Roland Dreiera01df0f2009-09-05 20:24:48 -07001281 pci_release_regions(pdev);
Roland Dreier225c7b12007-05-08 18:00:38 -07001282 pci_disable_device(pdev);
1283 pci_set_drvdata(pdev, NULL);
1284 }
1285}
1286
Jack Morgensteinee49bd92007-07-12 17:50:45 +03001287int mlx4_restart_one(struct pci_dev *pdev)
1288{
1289 mlx4_remove_one(pdev);
Roland Dreier3d73c282007-10-10 15:43:54 -07001290 return __mlx4_init_one(pdev, NULL);
Jack Morgensteinee49bd92007-07-12 17:50:45 +03001291}
1292
Alexey Dobriyana3aa1882010-01-07 11:58:11 +00001293static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = {
Roland Dreier225c7b12007-05-08 18:00:38 -07001294 { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */
1295 { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */
1296 { PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */
Jack Morgenstein786f2382007-07-02 17:36:18 +03001297 { PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */
1298 { PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */
Yevgeny Petrilin57893d12008-10-22 15:48:03 -07001299 { PCI_VDEVICE(MELLANOX, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */
1300 { PCI_VDEVICE(MELLANOX, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
Jack Morgenstein085343b2009-02-27 10:29:13 -08001301 { PCI_VDEVICE(MELLANOX, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */
1302 { PCI_VDEVICE(MELLANOX, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */
Yevgeny Petrilin92bd3bb2009-07-06 16:10:40 -07001303 { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/
Eli Cohen06c3aa52009-10-14 10:52:40 -07001304 { PCI_VDEVICE(MELLANOX, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */
Yevgeny Petriline76d0b62009-10-07 15:46:49 -07001305 { PCI_VDEVICE(MELLANOX, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */
Yevgeny Petrilin31dd2722010-12-07 14:23:45 +00001306 { PCI_VDEVICE(MELLANOX, 0x1002) }, /* MT25400 Family [ConnectX-2 Virtual Function] */
1307 { PCI_VDEVICE(MELLANOX, 0x1003) }, /* MT27500 Family [ConnectX-3] */
1308 { PCI_VDEVICE(MELLANOX, 0x1004) }, /* MT27500 Family [ConnectX-3 Virtual Function] */
1309 { PCI_VDEVICE(MELLANOX, 0x1005) }, /* MT27510 Family */
1310 { PCI_VDEVICE(MELLANOX, 0x1006) }, /* MT27511 Family */
1311 { PCI_VDEVICE(MELLANOX, 0x1007) }, /* MT27520 Family */
1312 { PCI_VDEVICE(MELLANOX, 0x1008) }, /* MT27521 Family */
1313 { PCI_VDEVICE(MELLANOX, 0x1009) }, /* MT27530 Family */
1314 { PCI_VDEVICE(MELLANOX, 0x100a) }, /* MT27531 Family */
1315 { PCI_VDEVICE(MELLANOX, 0x100b) }, /* MT27540 Family */
1316 { PCI_VDEVICE(MELLANOX, 0x100c) }, /* MT27541 Family */
1317 { PCI_VDEVICE(MELLANOX, 0x100d) }, /* MT27550 Family */
1318 { PCI_VDEVICE(MELLANOX, 0x100e) }, /* MT27551 Family */
1319 { PCI_VDEVICE(MELLANOX, 0x100f) }, /* MT27560 Family */
1320 { PCI_VDEVICE(MELLANOX, 0x1010) }, /* MT27561 Family */
Roland Dreier225c7b12007-05-08 18:00:38 -07001321 { 0, }
1322};
1323
1324MODULE_DEVICE_TABLE(pci, mlx4_pci_table);
1325
1326static struct pci_driver mlx4_driver = {
1327 .name = DRV_NAME,
1328 .id_table = mlx4_pci_table,
1329 .probe = mlx4_init_one,
1330 .remove = __devexit_p(mlx4_remove_one)
1331};
1332
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001333static int __init mlx4_verify_params(void)
1334{
1335 if ((log_num_mac < 0) || (log_num_mac > 7)) {
Joe Perches0a645e82010-07-10 07:22:46 +00001336 pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001337 return -1;
1338 }
1339
1340 if ((log_num_vlan < 0) || (log_num_vlan > 7)) {
Joe Perches0a645e82010-07-10 07:22:46 +00001341 pr_warning("mlx4_core: bad num_vlan: %d\n", log_num_vlan);
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001342 return -1;
1343 }
1344
Eli Cohen04986282010-09-20 08:42:38 +02001345 if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) {
Joe Perches0a645e82010-07-10 07:22:46 +00001346 pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
Eli Cohenab6bf422009-05-27 14:38:34 -07001347 return -1;
1348 }
1349
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001350 return 0;
1351}
1352
Roland Dreier225c7b12007-05-08 18:00:38 -07001353static int __init mlx4_init(void)
1354{
1355 int ret;
1356
Yevgeny Petrilin7ff93f82008-10-22 15:38:42 -07001357 if (mlx4_verify_params())
1358 return -EINVAL;
1359
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001360 mlx4_catas_init();
1361
1362 mlx4_wq = create_singlethread_workqueue("mlx4");
1363 if (!mlx4_wq)
1364 return -ENOMEM;
Jack Morgensteinee49bd92007-07-12 17:50:45 +03001365
Roland Dreier225c7b12007-05-08 18:00:38 -07001366 ret = pci_register_driver(&mlx4_driver);
1367 return ret < 0 ? ret : 0;
1368}
1369
1370static void __exit mlx4_cleanup(void)
1371{
1372 pci_unregister_driver(&mlx4_driver);
Yevgeny Petrilin27bf91d2009-03-18 19:45:11 -07001373 destroy_workqueue(mlx4_wq);
Roland Dreier225c7b12007-05-08 18:00:38 -07001374}
1375
1376module_init(mlx4_init);
1377module_exit(mlx4_cleanup);