2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
5 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
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:
13 * Redistribution and use in source and binary forms, with or
14 * without modification, are permitted provided that the following
17 * - Redistributions of source code must retain the above
18 * copyright notice, this list of conditions and the following
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.
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
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>
41 #include <linux/slab.h>
42 #include <linux/io-mapping.h>
44 #include <linux/mlx4/device.h>
45 #include <linux/mlx4/doorbell.h>
51 MODULE_AUTHOR("Roland Dreier");
52 MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver");
53 MODULE_LICENSE("Dual BSD/GPL");
54 MODULE_VERSION(DRV_VERSION
);
56 struct workqueue_struct
*mlx4_wq
;
58 #ifdef CONFIG_MLX4_DEBUG
60 int mlx4_debug_level
= 0;
61 module_param_named(debug_level
, mlx4_debug_level
, int, 0644);
62 MODULE_PARM_DESC(debug_level
, "Enable debug tracing if > 0");
64 #endif /* CONFIG_MLX4_DEBUG */
69 module_param(msi_x
, int, 0444);
70 MODULE_PARM_DESC(msi_x
, "attempt to use MSI-X if nonzero");
72 #else /* CONFIG_PCI_MSI */
76 #endif /* CONFIG_PCI_MSI */
78 static char mlx4_version
[] __devinitdata
=
79 DRV_NAME
": Mellanox ConnectX core driver v"
80 DRV_VERSION
" (" DRV_RELDATE
")\n";
82 static struct mlx4_profile default_profile
= {
85 .rdmarc_per_qp
= 1 << 4,
92 static int log_num_mac
= 2;
93 module_param_named(log_num_mac
, log_num_mac
, int, 0444);
94 MODULE_PARM_DESC(log_num_mac
, "Log2 max number of MACs per ETH port (1-7)");
96 static int log_num_vlan
;
97 module_param_named(log_num_vlan
, log_num_vlan
, int, 0444);
98 MODULE_PARM_DESC(log_num_vlan
, "Log2 max number of VLANs per ETH port (0-7)");
101 module_param_named(use_prio
, use_prio
, bool, 0444);
102 MODULE_PARM_DESC(use_prio
, "Enable steering by VLAN priority on ETH ports "
105 static int log_mtts_per_seg
= ilog2(MLX4_MTT_ENTRY_PER_SEG
);
106 module_param_named(log_mtts_per_seg
, log_mtts_per_seg
, int, 0444);
107 MODULE_PARM_DESC(log_mtts_per_seg
, "Log2 number of MTT entries per segment (1-7)");
109 int mlx4_check_port_params(struct mlx4_dev
*dev
,
110 enum mlx4_port_type
*port_type
)
114 for (i
= 0; i
< dev
->caps
.num_ports
- 1; i
++) {
115 if (port_type
[i
] != port_type
[i
+ 1]) {
116 if (!(dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_DPDP
)) {
117 mlx4_err(dev
, "Only same port types supported "
118 "on this HCA, aborting.\n");
121 if (port_type
[i
] == MLX4_PORT_TYPE_ETH
&&
122 port_type
[i
+ 1] == MLX4_PORT_TYPE_IB
)
127 for (i
= 0; i
< dev
->caps
.num_ports
; i
++) {
128 if (!(port_type
[i
] & dev
->caps
.supported_type
[i
+1])) {
129 mlx4_err(dev
, "Requested port type for port %d is not "
130 "supported on this HCA\n", i
+ 1);
137 static void mlx4_set_port_mask(struct mlx4_dev
*dev
)
141 dev
->caps
.port_mask
= 0;
142 for (i
= 1; i
<= dev
->caps
.num_ports
; ++i
)
143 if (dev
->caps
.port_type
[i
] == MLX4_PORT_TYPE_IB
)
144 dev
->caps
.port_mask
|= 1 << (i
- 1);
147 static int mlx4_dev_cap(struct mlx4_dev
*dev
, struct mlx4_dev_cap
*dev_cap
)
152 err
= mlx4_QUERY_DEV_CAP(dev
, dev_cap
);
154 mlx4_err(dev
, "QUERY_DEV_CAP command failed, aborting.\n");
158 if (dev_cap
->min_page_sz
> PAGE_SIZE
) {
159 mlx4_err(dev
, "HCA minimum page size of %d bigger than "
160 "kernel PAGE_SIZE of %ld, aborting.\n",
161 dev_cap
->min_page_sz
, PAGE_SIZE
);
164 if (dev_cap
->num_ports
> MLX4_MAX_PORTS
) {
165 mlx4_err(dev
, "HCA has %d ports, but we only support %d, "
167 dev_cap
->num_ports
, MLX4_MAX_PORTS
);
171 if (dev_cap
->uar_size
> pci_resource_len(dev
->pdev
, 2)) {
172 mlx4_err(dev
, "HCA reported UAR size of 0x%x bigger than "
173 "PCI resource 2 size of 0x%llx, aborting.\n",
175 (unsigned long long) pci_resource_len(dev
->pdev
, 2));
179 dev
->caps
.num_ports
= dev_cap
->num_ports
;
180 for (i
= 1; i
<= dev
->caps
.num_ports
; ++i
) {
181 dev
->caps
.vl_cap
[i
] = dev_cap
->max_vl
[i
];
182 dev
->caps
.ib_mtu_cap
[i
] = dev_cap
->ib_mtu
[i
];
183 dev
->caps
.gid_table_len
[i
] = dev_cap
->max_gids
[i
];
184 dev
->caps
.pkey_table_len
[i
] = dev_cap
->max_pkeys
[i
];
185 dev
->caps
.port_width_cap
[i
] = dev_cap
->max_port_width
[i
];
186 dev
->caps
.eth_mtu_cap
[i
] = dev_cap
->eth_mtu
[i
];
187 dev
->caps
.def_mac
[i
] = dev_cap
->def_mac
[i
];
188 dev
->caps
.supported_type
[i
] = dev_cap
->supported_port_types
[i
];
189 dev
->caps
.trans_type
[i
] = dev_cap
->trans_type
[i
];
190 dev
->caps
.vendor_oui
[i
] = dev_cap
->vendor_oui
[i
];
191 dev
->caps
.wavelength
[i
] = dev_cap
->wavelength
[i
];
192 dev
->caps
.trans_code
[i
] = dev_cap
->trans_code
[i
];
195 dev
->caps
.num_uars
= dev_cap
->uar_size
/ PAGE_SIZE
;
196 dev
->caps
.local_ca_ack_delay
= dev_cap
->local_ca_ack_delay
;
197 dev
->caps
.bf_reg_size
= dev_cap
->bf_reg_size
;
198 dev
->caps
.bf_regs_per_page
= dev_cap
->bf_regs_per_page
;
199 dev
->caps
.max_sq_sg
= dev_cap
->max_sq_sg
;
200 dev
->caps
.max_rq_sg
= dev_cap
->max_rq_sg
;
201 dev
->caps
.max_wqes
= dev_cap
->max_qp_sz
;
202 dev
->caps
.max_qp_init_rdma
= dev_cap
->max_requester_per_qp
;
203 dev
->caps
.max_srq_wqes
= dev_cap
->max_srq_sz
;
204 dev
->caps
.max_srq_sge
= dev_cap
->max_rq_sg
- 1;
205 dev
->caps
.reserved_srqs
= dev_cap
->reserved_srqs
;
206 dev
->caps
.max_sq_desc_sz
= dev_cap
->max_sq_desc_sz
;
207 dev
->caps
.max_rq_desc_sz
= dev_cap
->max_rq_desc_sz
;
208 dev
->caps
.num_qp_per_mgm
= MLX4_QP_PER_MGM
;
210 * Subtract 1 from the limit because we need to allocate a
211 * spare CQE so the HCA HW can tell the difference between an
212 * empty CQ and a full CQ.
214 dev
->caps
.max_cqes
= dev_cap
->max_cq_sz
- 1;
215 dev
->caps
.reserved_cqs
= dev_cap
->reserved_cqs
;
216 dev
->caps
.reserved_eqs
= dev_cap
->reserved_eqs
;
217 dev
->caps
.mtts_per_seg
= 1 << log_mtts_per_seg
;
218 dev
->caps
.reserved_mtts
= DIV_ROUND_UP(dev_cap
->reserved_mtts
,
219 dev
->caps
.mtts_per_seg
);
220 dev
->caps
.reserved_mrws
= dev_cap
->reserved_mrws
;
221 dev
->caps
.reserved_uars
= dev_cap
->reserved_uars
;
222 dev
->caps
.reserved_pds
= dev_cap
->reserved_pds
;
223 dev
->caps
.reserved_xrcds
= (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_XRC
) ?
224 dev_cap
->reserved_xrcds
: 0;
225 dev
->caps
.max_xrcds
= (dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_XRC
) ?
226 dev_cap
->max_xrcds
: 0;
227 dev
->caps
.mtt_entry_sz
= dev
->caps
.mtts_per_seg
* dev_cap
->mtt_entry_sz
;
228 dev
->caps
.max_msg_sz
= dev_cap
->max_msg_sz
;
229 dev
->caps
.page_size_cap
= ~(u32
) (dev_cap
->min_page_sz
- 1);
230 dev
->caps
.flags
= dev_cap
->flags
;
231 dev
->caps
.bmme_flags
= dev_cap
->bmme_flags
;
232 dev
->caps
.reserved_lkey
= dev_cap
->reserved_lkey
;
233 dev
->caps
.stat_rate_support
= dev_cap
->stat_rate_support
;
234 dev
->caps
.max_gso_sz
= dev_cap
->max_gso_sz
;
236 dev
->caps
.log_num_macs
= log_num_mac
;
237 dev
->caps
.log_num_vlans
= log_num_vlan
;
238 dev
->caps
.log_num_prios
= use_prio
? 3 : 0;
240 for (i
= 1; i
<= dev
->caps
.num_ports
; ++i
) {
241 if (dev
->caps
.supported_type
[i
] != MLX4_PORT_TYPE_ETH
)
242 dev
->caps
.port_type
[i
] = MLX4_PORT_TYPE_IB
;
244 dev
->caps
.port_type
[i
] = MLX4_PORT_TYPE_ETH
;
245 dev
->caps
.possible_type
[i
] = dev
->caps
.port_type
[i
];
246 mlx4_priv(dev
)->sense
.sense_allowed
[i
] =
247 dev
->caps
.supported_type
[i
] == MLX4_PORT_TYPE_AUTO
;
249 if (dev
->caps
.log_num_macs
> dev_cap
->log_max_macs
[i
]) {
250 dev
->caps
.log_num_macs
= dev_cap
->log_max_macs
[i
];
251 mlx4_warn(dev
, "Requested number of MACs is too much "
252 "for port %d, reducing to %d.\n",
253 i
, 1 << dev
->caps
.log_num_macs
);
255 if (dev
->caps
.log_num_vlans
> dev_cap
->log_max_vlans
[i
]) {
256 dev
->caps
.log_num_vlans
= dev_cap
->log_max_vlans
[i
];
257 mlx4_warn(dev
, "Requested number of VLANs is too much "
258 "for port %d, reducing to %d.\n",
259 i
, 1 << dev
->caps
.log_num_vlans
);
263 mlx4_set_port_mask(dev
);
265 dev
->caps
.max_counters
= 1 << ilog2(dev_cap
->max_counters
);
267 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
] = dev_cap
->reserved_qps
;
268 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_ETH_ADDR
] =
269 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FC_ADDR
] =
270 (1 << dev
->caps
.log_num_macs
) *
271 (1 << dev
->caps
.log_num_vlans
) *
272 (1 << dev
->caps
.log_num_prios
) *
274 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FC_EXCH
] = MLX4_NUM_FEXCH
;
276 dev
->caps
.reserved_qps
= dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
] +
277 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_ETH_ADDR
] +
278 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FC_ADDR
] +
279 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FC_EXCH
];
285 * Change the port configuration of the device.
286 * Every user of this function must hold the port mutex.
288 int mlx4_change_port_types(struct mlx4_dev
*dev
,
289 enum mlx4_port_type
*port_types
)
295 for (port
= 0; port
< dev
->caps
.num_ports
; port
++) {
296 /* Change the port type only if the new type is different
297 * from the current, and not set to Auto */
298 if (port_types
[port
] != dev
->caps
.port_type
[port
+ 1]) {
300 dev
->caps
.port_type
[port
+ 1] = port_types
[port
];
304 mlx4_unregister_device(dev
);
305 for (port
= 1; port
<= dev
->caps
.num_ports
; port
++) {
306 mlx4_CLOSE_PORT(dev
, port
);
307 err
= mlx4_SET_PORT(dev
, port
);
309 mlx4_err(dev
, "Failed to set port %d, "
314 mlx4_set_port_mask(dev
);
315 err
= mlx4_register_device(dev
);
322 static ssize_t
show_port_type(struct device
*dev
,
323 struct device_attribute
*attr
,
326 struct mlx4_port_info
*info
= container_of(attr
, struct mlx4_port_info
,
328 struct mlx4_dev
*mdev
= info
->dev
;
332 (mdev
->caps
.port_type
[info
->port
] == MLX4_PORT_TYPE_IB
) ?
334 if (mdev
->caps
.possible_type
[info
->port
] == MLX4_PORT_TYPE_AUTO
)
335 sprintf(buf
, "auto (%s)\n", type
);
337 sprintf(buf
, "%s\n", type
);
342 static ssize_t
set_port_type(struct device
*dev
,
343 struct device_attribute
*attr
,
344 const char *buf
, size_t count
)
346 struct mlx4_port_info
*info
= container_of(attr
, struct mlx4_port_info
,
348 struct mlx4_dev
*mdev
= info
->dev
;
349 struct mlx4_priv
*priv
= mlx4_priv(mdev
);
350 enum mlx4_port_type types
[MLX4_MAX_PORTS
];
351 enum mlx4_port_type new_types
[MLX4_MAX_PORTS
];
355 if (!strcmp(buf
, "ib\n"))
356 info
->tmp_type
= MLX4_PORT_TYPE_IB
;
357 else if (!strcmp(buf
, "eth\n"))
358 info
->tmp_type
= MLX4_PORT_TYPE_ETH
;
359 else if (!strcmp(buf
, "auto\n"))
360 info
->tmp_type
= MLX4_PORT_TYPE_AUTO
;
362 mlx4_err(mdev
, "%s is not supported port type\n", buf
);
366 mlx4_stop_sense(mdev
);
367 mutex_lock(&priv
->port_mutex
);
368 /* Possible type is always the one that was delivered */
369 mdev
->caps
.possible_type
[info
->port
] = info
->tmp_type
;
371 for (i
= 0; i
< mdev
->caps
.num_ports
; i
++) {
372 types
[i
] = priv
->port
[i
+1].tmp_type
? priv
->port
[i
+1].tmp_type
:
373 mdev
->caps
.possible_type
[i
+1];
374 if (types
[i
] == MLX4_PORT_TYPE_AUTO
)
375 types
[i
] = mdev
->caps
.port_type
[i
+1];
378 if (!(mdev
->caps
.flags
& MLX4_DEV_CAP_FLAG_DPDP
)) {
379 for (i
= 1; i
<= mdev
->caps
.num_ports
; i
++) {
380 if (mdev
->caps
.possible_type
[i
] == MLX4_PORT_TYPE_AUTO
) {
381 mdev
->caps
.possible_type
[i
] = mdev
->caps
.port_type
[i
];
387 mlx4_err(mdev
, "Auto sensing is not supported on this HCA. "
388 "Set only 'eth' or 'ib' for both ports "
389 "(should be the same)\n");
393 mlx4_do_sense_ports(mdev
, new_types
, types
);
395 err
= mlx4_check_port_params(mdev
, new_types
);
399 /* We are about to apply the changes after the configuration
400 * was verified, no need to remember the temporary types
402 for (i
= 0; i
< mdev
->caps
.num_ports
; i
++)
403 priv
->port
[i
+ 1].tmp_type
= 0;
405 err
= mlx4_change_port_types(mdev
, new_types
);
408 mlx4_start_sense(mdev
);
409 mutex_unlock(&priv
->port_mutex
);
410 return err
? err
: count
;
413 static int mlx4_load_fw(struct mlx4_dev
*dev
)
415 struct mlx4_priv
*priv
= mlx4_priv(dev
);
418 priv
->fw
.fw_icm
= mlx4_alloc_icm(dev
, priv
->fw
.fw_pages
,
419 GFP_HIGHUSER
| __GFP_NOWARN
, 0);
420 if (!priv
->fw
.fw_icm
) {
421 mlx4_err(dev
, "Couldn't allocate FW area, aborting.\n");
425 err
= mlx4_MAP_FA(dev
, priv
->fw
.fw_icm
);
427 mlx4_err(dev
, "MAP_FA command failed, aborting.\n");
431 err
= mlx4_RUN_FW(dev
);
433 mlx4_err(dev
, "RUN_FW command failed, aborting.\n");
443 mlx4_free_icm(dev
, priv
->fw
.fw_icm
, 0);
447 static int mlx4_init_cmpt_table(struct mlx4_dev
*dev
, u64 cmpt_base
,
450 struct mlx4_priv
*priv
= mlx4_priv(dev
);
453 err
= mlx4_init_icm_table(dev
, &priv
->qp_table
.cmpt_table
,
455 ((u64
) (MLX4_CMPT_TYPE_QP
*
456 cmpt_entry_sz
) << MLX4_CMPT_SHIFT
),
457 cmpt_entry_sz
, dev
->caps
.num_qps
,
458 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
],
463 err
= mlx4_init_icm_table(dev
, &priv
->srq_table
.cmpt_table
,
465 ((u64
) (MLX4_CMPT_TYPE_SRQ
*
466 cmpt_entry_sz
) << MLX4_CMPT_SHIFT
),
467 cmpt_entry_sz
, dev
->caps
.num_srqs
,
468 dev
->caps
.reserved_srqs
, 0, 0);
472 err
= mlx4_init_icm_table(dev
, &priv
->cq_table
.cmpt_table
,
474 ((u64
) (MLX4_CMPT_TYPE_CQ
*
475 cmpt_entry_sz
) << MLX4_CMPT_SHIFT
),
476 cmpt_entry_sz
, dev
->caps
.num_cqs
,
477 dev
->caps
.reserved_cqs
, 0, 0);
481 err
= mlx4_init_icm_table(dev
, &priv
->eq_table
.cmpt_table
,
483 ((u64
) (MLX4_CMPT_TYPE_EQ
*
484 cmpt_entry_sz
) << MLX4_CMPT_SHIFT
),
486 dev
->caps
.num_eqs
, dev
->caps
.num_eqs
, 0, 0);
493 mlx4_cleanup_icm_table(dev
, &priv
->cq_table
.cmpt_table
);
496 mlx4_cleanup_icm_table(dev
, &priv
->srq_table
.cmpt_table
);
499 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.cmpt_table
);
505 static int mlx4_init_icm(struct mlx4_dev
*dev
, struct mlx4_dev_cap
*dev_cap
,
506 struct mlx4_init_hca_param
*init_hca
, u64 icm_size
)
508 struct mlx4_priv
*priv
= mlx4_priv(dev
);
512 err
= mlx4_SET_ICM_SIZE(dev
, icm_size
, &aux_pages
);
514 mlx4_err(dev
, "SET_ICM_SIZE command failed, aborting.\n");
518 mlx4_dbg(dev
, "%lld KB of HCA context requires %lld KB aux memory.\n",
519 (unsigned long long) icm_size
>> 10,
520 (unsigned long long) aux_pages
<< 2);
522 priv
->fw
.aux_icm
= mlx4_alloc_icm(dev
, aux_pages
,
523 GFP_HIGHUSER
| __GFP_NOWARN
, 0);
524 if (!priv
->fw
.aux_icm
) {
525 mlx4_err(dev
, "Couldn't allocate aux memory, aborting.\n");
529 err
= mlx4_MAP_ICM_AUX(dev
, priv
->fw
.aux_icm
);
531 mlx4_err(dev
, "MAP_ICM_AUX command failed, aborting.\n");
535 err
= mlx4_init_cmpt_table(dev
, init_hca
->cmpt_base
, dev_cap
->cmpt_entry_sz
);
537 mlx4_err(dev
, "Failed to map cMPT context memory, aborting.\n");
541 err
= mlx4_init_icm_table(dev
, &priv
->eq_table
.table
,
542 init_hca
->eqc_base
, dev_cap
->eqc_entry_sz
,
543 dev
->caps
.num_eqs
, dev
->caps
.num_eqs
,
546 mlx4_err(dev
, "Failed to map EQ context memory, aborting.\n");
551 * Reserved MTT entries must be aligned up to a cacheline
552 * boundary, since the FW will write to them, while the driver
553 * writes to all other MTT entries. (The variable
554 * dev->caps.mtt_entry_sz below is really the MTT segment
555 * size, not the raw entry size)
557 dev
->caps
.reserved_mtts
=
558 ALIGN(dev
->caps
.reserved_mtts
* dev
->caps
.mtt_entry_sz
,
559 dma_get_cache_alignment()) / dev
->caps
.mtt_entry_sz
;
561 err
= mlx4_init_icm_table(dev
, &priv
->mr_table
.mtt_table
,
563 dev
->caps
.mtt_entry_sz
,
564 dev
->caps
.num_mtt_segs
,
565 dev
->caps
.reserved_mtts
, 1, 0);
567 mlx4_err(dev
, "Failed to map MTT context memory, aborting.\n");
571 err
= mlx4_init_icm_table(dev
, &priv
->mr_table
.dmpt_table
,
573 dev_cap
->dmpt_entry_sz
,
575 dev
->caps
.reserved_mrws
, 1, 1);
577 mlx4_err(dev
, "Failed to map dMPT context memory, aborting.\n");
581 err
= mlx4_init_icm_table(dev
, &priv
->qp_table
.qp_table
,
583 dev_cap
->qpc_entry_sz
,
585 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
],
588 mlx4_err(dev
, "Failed to map QP context memory, aborting.\n");
592 err
= mlx4_init_icm_table(dev
, &priv
->qp_table
.auxc_table
,
594 dev_cap
->aux_entry_sz
,
596 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
],
599 mlx4_err(dev
, "Failed to map AUXC context memory, aborting.\n");
603 err
= mlx4_init_icm_table(dev
, &priv
->qp_table
.altc_table
,
605 dev_cap
->altc_entry_sz
,
607 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
],
610 mlx4_err(dev
, "Failed to map ALTC context memory, aborting.\n");
614 err
= mlx4_init_icm_table(dev
, &priv
->qp_table
.rdmarc_table
,
615 init_hca
->rdmarc_base
,
616 dev_cap
->rdmarc_entry_sz
<< priv
->qp_table
.rdmarc_shift
,
618 dev
->caps
.reserved_qps_cnt
[MLX4_QP_REGION_FW
],
621 mlx4_err(dev
, "Failed to map RDMARC context memory, aborting\n");
625 err
= mlx4_init_icm_table(dev
, &priv
->cq_table
.table
,
627 dev_cap
->cqc_entry_sz
,
629 dev
->caps
.reserved_cqs
, 0, 0);
631 mlx4_err(dev
, "Failed to map CQ context memory, aborting.\n");
632 goto err_unmap_rdmarc
;
635 err
= mlx4_init_icm_table(dev
, &priv
->srq_table
.table
,
637 dev_cap
->srq_entry_sz
,
639 dev
->caps
.reserved_srqs
, 0, 0);
641 mlx4_err(dev
, "Failed to map SRQ context memory, aborting.\n");
646 * It's not strictly required, but for simplicity just map the
647 * whole multicast group table now. The table isn't very big
648 * and it's a lot easier than trying to track ref counts.
650 err
= mlx4_init_icm_table(dev
, &priv
->mcg_table
.table
,
651 init_hca
->mc_base
, MLX4_MGM_ENTRY_SIZE
,
652 dev
->caps
.num_mgms
+ dev
->caps
.num_amgms
,
653 dev
->caps
.num_mgms
+ dev
->caps
.num_amgms
,
656 mlx4_err(dev
, "Failed to map MCG context memory, aborting.\n");
663 mlx4_cleanup_icm_table(dev
, &priv
->srq_table
.table
);
666 mlx4_cleanup_icm_table(dev
, &priv
->cq_table
.table
);
669 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.rdmarc_table
);
672 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.altc_table
);
675 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.auxc_table
);
678 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.qp_table
);
681 mlx4_cleanup_icm_table(dev
, &priv
->mr_table
.dmpt_table
);
684 mlx4_cleanup_icm_table(dev
, &priv
->mr_table
.mtt_table
);
687 mlx4_cleanup_icm_table(dev
, &priv
->eq_table
.table
);
690 mlx4_cleanup_icm_table(dev
, &priv
->eq_table
.cmpt_table
);
691 mlx4_cleanup_icm_table(dev
, &priv
->cq_table
.cmpt_table
);
692 mlx4_cleanup_icm_table(dev
, &priv
->srq_table
.cmpt_table
);
693 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.cmpt_table
);
696 mlx4_UNMAP_ICM_AUX(dev
);
699 mlx4_free_icm(dev
, priv
->fw
.aux_icm
, 0);
704 static void mlx4_free_icms(struct mlx4_dev
*dev
)
706 struct mlx4_priv
*priv
= mlx4_priv(dev
);
708 mlx4_cleanup_icm_table(dev
, &priv
->mcg_table
.table
);
709 mlx4_cleanup_icm_table(dev
, &priv
->srq_table
.table
);
710 mlx4_cleanup_icm_table(dev
, &priv
->cq_table
.table
);
711 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.rdmarc_table
);
712 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.altc_table
);
713 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.auxc_table
);
714 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.qp_table
);
715 mlx4_cleanup_icm_table(dev
, &priv
->mr_table
.dmpt_table
);
716 mlx4_cleanup_icm_table(dev
, &priv
->mr_table
.mtt_table
);
717 mlx4_cleanup_icm_table(dev
, &priv
->eq_table
.table
);
718 mlx4_cleanup_icm_table(dev
, &priv
->eq_table
.cmpt_table
);
719 mlx4_cleanup_icm_table(dev
, &priv
->cq_table
.cmpt_table
);
720 mlx4_cleanup_icm_table(dev
, &priv
->srq_table
.cmpt_table
);
721 mlx4_cleanup_icm_table(dev
, &priv
->qp_table
.cmpt_table
);
723 mlx4_UNMAP_ICM_AUX(dev
);
724 mlx4_free_icm(dev
, priv
->fw
.aux_icm
, 0);
727 static int map_bf_area(struct mlx4_dev
*dev
)
729 struct mlx4_priv
*priv
= mlx4_priv(dev
);
730 resource_size_t bf_start
;
731 resource_size_t bf_len
;
734 bf_start
= pci_resource_start(dev
->pdev
, 2) + (dev
->caps
.num_uars
<< PAGE_SHIFT
);
735 bf_len
= pci_resource_len(dev
->pdev
, 2) - (dev
->caps
.num_uars
<< PAGE_SHIFT
);
736 priv
->bf_mapping
= io_mapping_create_wc(bf_start
, bf_len
);
737 if (!priv
->bf_mapping
)
743 static void unmap_bf_area(struct mlx4_dev
*dev
)
745 if (mlx4_priv(dev
)->bf_mapping
)
746 io_mapping_free(mlx4_priv(dev
)->bf_mapping
);
749 static void mlx4_close_hca(struct mlx4_dev
*dev
)
752 mlx4_CLOSE_HCA(dev
, 0);
755 mlx4_free_icm(dev
, mlx4_priv(dev
)->fw
.fw_icm
, 0);
758 static int mlx4_init_hca(struct mlx4_dev
*dev
)
760 struct mlx4_priv
*priv
= mlx4_priv(dev
);
761 struct mlx4_adapter adapter
;
762 struct mlx4_dev_cap dev_cap
;
763 struct mlx4_mod_stat_cfg mlx4_cfg
;
764 struct mlx4_profile profile
;
765 struct mlx4_init_hca_param init_hca
;
769 err
= mlx4_QUERY_FW(dev
);
772 mlx4_info(dev
, "non-primary physical function, skipping.\n");
774 mlx4_err(dev
, "QUERY_FW command failed, aborting.\n");
778 err
= mlx4_load_fw(dev
);
780 mlx4_err(dev
, "Failed to start FW, aborting.\n");
784 mlx4_cfg
.log_pg_sz_m
= 1;
785 mlx4_cfg
.log_pg_sz
= 0;
786 err
= mlx4_MOD_STAT_CFG(dev
, &mlx4_cfg
);
788 mlx4_warn(dev
, "Failed to override log_pg_sz parameter\n");
790 err
= mlx4_dev_cap(dev
, &dev_cap
);
792 mlx4_err(dev
, "QUERY_DEV_CAP command failed, aborting.\n");
796 profile
= default_profile
;
798 icm_size
= mlx4_make_profile(dev
, &profile
, &dev_cap
, &init_hca
);
799 if ((long long) icm_size
< 0) {
804 if (map_bf_area(dev
))
805 mlx4_dbg(dev
, "Failed to map blue flame area\n");
807 init_hca
.log_uar_sz
= ilog2(dev
->caps
.num_uars
);
809 err
= mlx4_init_icm(dev
, &dev_cap
, &init_hca
, icm_size
);
813 err
= mlx4_INIT_HCA(dev
, &init_hca
);
815 mlx4_err(dev
, "INIT_HCA command failed, aborting.\n");
819 err
= mlx4_QUERY_ADAPTER(dev
, &adapter
);
821 mlx4_err(dev
, "QUERY_ADAPTER command failed, aborting.\n");
825 priv
->eq_table
.inta_pin
= adapter
.inta_pin
;
826 memcpy(dev
->board_id
, adapter
.board_id
, sizeof dev
->board_id
);
831 mlx4_CLOSE_HCA(dev
, 0);
839 mlx4_free_icm(dev
, priv
->fw
.fw_icm
, 0);
844 static int mlx4_init_counters_table(struct mlx4_dev
*dev
)
846 struct mlx4_priv
*priv
= mlx4_priv(dev
);
849 if (!(dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_COUNTERS
))
852 nent
= dev
->caps
.max_counters
;
853 return mlx4_bitmap_init(&priv
->counters_bitmap
, nent
, nent
- 1, 0, 0);
856 static void mlx4_cleanup_counters_table(struct mlx4_dev
*dev
)
858 mlx4_bitmap_cleanup(&mlx4_priv(dev
)->counters_bitmap
);
861 int mlx4_counter_alloc(struct mlx4_dev
*dev
, u32
*idx
)
863 struct mlx4_priv
*priv
= mlx4_priv(dev
);
865 if (!(dev
->caps
.flags
& MLX4_DEV_CAP_FLAG_COUNTERS
))
868 *idx
= mlx4_bitmap_alloc(&priv
->counters_bitmap
);
874 EXPORT_SYMBOL_GPL(mlx4_counter_alloc
);
876 void mlx4_counter_free(struct mlx4_dev
*dev
, u32 idx
)
878 mlx4_bitmap_free(&mlx4_priv(dev
)->counters_bitmap
, idx
);
881 EXPORT_SYMBOL_GPL(mlx4_counter_free
);
883 static int mlx4_setup_hca(struct mlx4_dev
*dev
)
885 struct mlx4_priv
*priv
= mlx4_priv(dev
);
888 __be32 ib_port_default_caps
;
890 err
= mlx4_init_uar_table(dev
);
892 mlx4_err(dev
, "Failed to initialize "
893 "user access region table, aborting.\n");
897 err
= mlx4_uar_alloc(dev
, &priv
->driver_uar
);
899 mlx4_err(dev
, "Failed to allocate driver access region, "
901 goto err_uar_table_free
;
904 priv
->kar
= ioremap((phys_addr_t
) priv
->driver_uar
.pfn
<< PAGE_SHIFT
, PAGE_SIZE
);
906 mlx4_err(dev
, "Couldn't map kernel access region, "
912 err
= mlx4_init_pd_table(dev
);
914 mlx4_err(dev
, "Failed to initialize "
915 "protection domain table, aborting.\n");
919 err
= mlx4_init_xrcd_table(dev
);
921 mlx4_err(dev
, "Failed to initialize "
922 "reliable connection domain table, aborting.\n");
923 goto err_pd_table_free
;
926 err
= mlx4_init_mr_table(dev
);
928 mlx4_err(dev
, "Failed to initialize "
929 "memory region table, aborting.\n");
930 goto err_xrcd_table_free
;
933 err
= mlx4_init_eq_table(dev
);
935 mlx4_err(dev
, "Failed to initialize "
936 "event queue table, aborting.\n");
937 goto err_mr_table_free
;
940 err
= mlx4_cmd_use_events(dev
);
942 mlx4_err(dev
, "Failed to switch to event-driven "
943 "firmware commands, aborting.\n");
944 goto err_eq_table_free
;
949 if (dev
->flags
& MLX4_FLAG_MSI_X
) {
950 mlx4_warn(dev
, "NOP command failed to generate MSI-X "
951 "interrupt IRQ %d).\n",
952 priv
->eq_table
.eq
[dev
->caps
.num_comp_vectors
].irq
);
953 mlx4_warn(dev
, "Trying again without MSI-X.\n");
955 mlx4_err(dev
, "NOP command failed to generate interrupt "
956 "(IRQ %d), aborting.\n",
957 priv
->eq_table
.eq
[dev
->caps
.num_comp_vectors
].irq
);
958 mlx4_err(dev
, "BIOS or ACPI interrupt routing problem?\n");
964 mlx4_dbg(dev
, "NOP command IRQ test passed\n");
966 err
= mlx4_init_cq_table(dev
);
968 mlx4_err(dev
, "Failed to initialize "
969 "completion queue table, aborting.\n");
973 err
= mlx4_init_srq_table(dev
);
975 mlx4_err(dev
, "Failed to initialize "
976 "shared receive queue table, aborting.\n");
977 goto err_cq_table_free
;
980 err
= mlx4_init_qp_table(dev
);
982 mlx4_err(dev
, "Failed to initialize "
983 "queue pair table, aborting.\n");
984 goto err_srq_table_free
;
987 err
= mlx4_init_mcg_table(dev
);
989 mlx4_err(dev
, "Failed to initialize "
990 "multicast group table, aborting.\n");
991 goto err_qp_table_free
;
994 err
= mlx4_init_counters_table(dev
);
995 if (err
&& err
!= -ENOENT
) {
996 mlx4_err(dev
, "Failed to initialize counters table, aborting.\n");
997 goto err_counters_table_free
;
1000 for (port
= 1; port
<= dev
->caps
.num_ports
; port
++) {
1001 enum mlx4_port_type port_type
= 0;
1002 mlx4_SENSE_PORT(dev
, port
, &port_type
);
1004 dev
->caps
.port_type
[port
] = port_type
;
1005 ib_port_default_caps
= 0;
1006 err
= mlx4_get_port_ib_caps(dev
, port
, &ib_port_default_caps
);
1008 mlx4_warn(dev
, "failed to get port %d default "
1009 "ib capabilities (%d). Continuing with "
1010 "caps = 0\n", port
, err
);
1011 dev
->caps
.ib_port_def_cap
[port
] = ib_port_default_caps
;
1012 err
= mlx4_SET_PORT(dev
, port
);
1014 mlx4_err(dev
, "Failed to set port %d, aborting\n",
1016 goto err_mcg_table_free
;
1019 mlx4_set_port_mask(dev
);
1024 mlx4_cleanup_mcg_table(dev
);
1026 err_counters_table_free
:
1027 mlx4_cleanup_counters_table(dev
);
1030 mlx4_cleanup_qp_table(dev
);
1033 mlx4_cleanup_srq_table(dev
);
1036 mlx4_cleanup_cq_table(dev
);
1039 mlx4_cmd_use_polling(dev
);
1042 mlx4_cleanup_eq_table(dev
);
1045 mlx4_cleanup_mr_table(dev
);
1047 err_xrcd_table_free
:
1048 mlx4_cleanup_xrcd_table(dev
);
1051 mlx4_cleanup_pd_table(dev
);
1057 mlx4_uar_free(dev
, &priv
->driver_uar
);
1060 mlx4_cleanup_uar_table(dev
);
1064 static void mlx4_enable_msi_x(struct mlx4_dev
*dev
)
1066 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1067 struct msix_entry
*entries
;
1068 int nreq
= min_t(int, dev
->caps
.num_ports
*
1069 min_t(int, num_online_cpus() + 1, MAX_MSIX_P_PORT
)
1070 + MSIX_LEGACY_SZ
, MAX_MSIX
);
1075 nreq
= min_t(int, dev
->caps
.num_eqs
- dev
->caps
.reserved_eqs
,
1077 entries
= kcalloc(nreq
, sizeof *entries
, GFP_KERNEL
);
1081 for (i
= 0; i
< nreq
; ++i
)
1082 entries
[i
].entry
= i
;
1085 err
= pci_enable_msix(dev
->pdev
, entries
, nreq
);
1087 /* Try again if at least 2 vectors are available */
1089 mlx4_info(dev
, "Requested %d vectors, "
1090 "but only %d MSI-X vectors available, "
1091 "trying again\n", nreq
, err
);
1100 MSIX_LEGACY_SZ
+ dev
->caps
.num_ports
* MIN_MSIX_P_PORT
) {
1101 /*Working in legacy mode , all EQ's shared*/
1102 dev
->caps
.comp_pool
= 0;
1103 dev
->caps
.num_comp_vectors
= nreq
- 1;
1105 dev
->caps
.comp_pool
= nreq
- MSIX_LEGACY_SZ
;
1106 dev
->caps
.num_comp_vectors
= MSIX_LEGACY_SZ
- 1;
1108 for (i
= 0; i
< nreq
; ++i
)
1109 priv
->eq_table
.eq
[i
].irq
= entries
[i
].vector
;
1111 dev
->flags
|= MLX4_FLAG_MSI_X
;
1118 dev
->caps
.num_comp_vectors
= 1;
1119 dev
->caps
.comp_pool
= 0;
1121 for (i
= 0; i
< 2; ++i
)
1122 priv
->eq_table
.eq
[i
].irq
= dev
->pdev
->irq
;
1125 static int mlx4_init_port_info(struct mlx4_dev
*dev
, int port
)
1127 struct mlx4_port_info
*info
= &mlx4_priv(dev
)->port
[port
];
1132 mlx4_init_mac_table(dev
, &info
->mac_table
);
1133 mlx4_init_vlan_table(dev
, &info
->vlan_table
);
1134 info
->base_qpn
= dev
->caps
.reserved_qps_base
[MLX4_QP_REGION_ETH_ADDR
] +
1135 (port
- 1) * (1 << log_num_mac
);
1137 sprintf(info
->dev_name
, "mlx4_port%d", port
);
1138 info
->port_attr
.attr
.name
= info
->dev_name
;
1139 info
->port_attr
.attr
.mode
= S_IRUGO
| S_IWUSR
;
1140 info
->port_attr
.show
= show_port_type
;
1141 info
->port_attr
.store
= set_port_type
;
1142 sysfs_attr_init(&info
->port_attr
.attr
);
1144 err
= device_create_file(&dev
->pdev
->dev
, &info
->port_attr
);
1146 mlx4_err(dev
, "Failed to create file for port %d\n", port
);
1153 static void mlx4_cleanup_port_info(struct mlx4_port_info
*info
)
1158 device_remove_file(&info
->dev
->pdev
->dev
, &info
->port_attr
);
1161 static int mlx4_init_steering(struct mlx4_dev
*dev
)
1163 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1164 int num_entries
= dev
->caps
.num_ports
;
1167 priv
->steer
= kzalloc(sizeof(struct mlx4_steer
) * num_entries
, GFP_KERNEL
);
1171 for (i
= 0; i
< num_entries
; i
++) {
1172 for (j
= 0; j
< MLX4_NUM_STEERS
; j
++) {
1173 INIT_LIST_HEAD(&priv
->steer
[i
].promisc_qps
[j
]);
1174 INIT_LIST_HEAD(&priv
->steer
[i
].steer_entries
[j
]);
1176 INIT_LIST_HEAD(&priv
->steer
[i
].high_prios
);
1181 static void mlx4_clear_steering(struct mlx4_dev
*dev
)
1183 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1184 struct mlx4_steer_index
*entry
, *tmp_entry
;
1185 struct mlx4_promisc_qp
*pqp
, *tmp_pqp
;
1186 int num_entries
= dev
->caps
.num_ports
;
1189 for (i
= 0; i
< num_entries
; i
++) {
1190 for (j
= 0; j
< MLX4_NUM_STEERS
; j
++) {
1191 list_for_each_entry_safe(pqp
, tmp_pqp
,
1192 &priv
->steer
[i
].promisc_qps
[j
],
1194 list_del(&pqp
->list
);
1197 list_for_each_entry_safe(entry
, tmp_entry
,
1198 &priv
->steer
[i
].steer_entries
[j
],
1200 list_del(&entry
->list
);
1201 list_for_each_entry_safe(pqp
, tmp_pqp
,
1204 list_del(&pqp
->list
);
1214 static int __mlx4_init_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
1216 struct mlx4_priv
*priv
;
1217 struct mlx4_dev
*dev
;
1221 pr_info(DRV_NAME
": Initializing %s\n", pci_name(pdev
));
1223 err
= pci_enable_device(pdev
);
1225 dev_err(&pdev
->dev
, "Cannot enable PCI device, "
1231 * Check for BARs. We expect 0: 1MB
1233 if (!(pci_resource_flags(pdev
, 0) & IORESOURCE_MEM
) ||
1234 pci_resource_len(pdev
, 0) != 1 << 20) {
1235 dev_err(&pdev
->dev
, "Missing DCS, aborting.\n");
1237 goto err_disable_pdev
;
1239 if (!(pci_resource_flags(pdev
, 2) & IORESOURCE_MEM
)) {
1240 dev_err(&pdev
->dev
, "Missing UAR, aborting.\n");
1242 goto err_disable_pdev
;
1245 err
= pci_request_regions(pdev
, DRV_NAME
);
1247 dev_err(&pdev
->dev
, "Couldn't get PCI resources, aborting\n");
1248 goto err_disable_pdev
;
1251 pci_set_master(pdev
);
1253 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(64));
1255 dev_warn(&pdev
->dev
, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1256 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
1258 dev_err(&pdev
->dev
, "Can't set PCI DMA mask, aborting.\n");
1259 goto err_release_regions
;
1262 err
= pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(64));
1264 dev_warn(&pdev
->dev
, "Warning: couldn't set 64-bit "
1265 "consistent PCI DMA mask.\n");
1266 err
= pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(32));
1268 dev_err(&pdev
->dev
, "Can't set consistent PCI DMA mask, "
1270 goto err_release_regions
;
1274 /* Allow large DMA segments, up to the firmware limit of 1 GB */
1275 dma_set_max_seg_size(&pdev
->dev
, 1024 * 1024 * 1024);
1277 priv
= kzalloc(sizeof *priv
, GFP_KERNEL
);
1279 dev_err(&pdev
->dev
, "Device struct alloc failed, "
1282 goto err_release_regions
;
1287 INIT_LIST_HEAD(&priv
->ctx_list
);
1288 spin_lock_init(&priv
->ctx_lock
);
1290 mutex_init(&priv
->port_mutex
);
1292 INIT_LIST_HEAD(&priv
->pgdir_list
);
1293 mutex_init(&priv
->pgdir_mutex
);
1295 INIT_LIST_HEAD(&priv
->bf_list
);
1296 mutex_init(&priv
->bf_mutex
);
1298 dev
->rev_id
= pdev
->revision
;
1301 * Now reset the HCA before we touch the PCI capabilities or
1302 * attempt a firmware command, since a boot ROM may have left
1303 * the HCA in an undefined state.
1305 err
= mlx4_reset(dev
);
1307 mlx4_err(dev
, "Failed to reset HCA, aborting.\n");
1311 if (mlx4_cmd_init(dev
)) {
1312 mlx4_err(dev
, "Failed to init command interface, aborting.\n");
1316 err
= mlx4_init_hca(dev
);
1320 err
= mlx4_alloc_eq_table(dev
);
1324 priv
->msix_ctl
.pool_bm
= 0;
1325 spin_lock_init(&priv
->msix_ctl
.pool_lock
);
1327 mlx4_enable_msi_x(dev
);
1329 err
= mlx4_init_steering(dev
);
1333 err
= mlx4_setup_hca(dev
);
1334 if (err
== -EBUSY
&& (dev
->flags
& MLX4_FLAG_MSI_X
)) {
1335 dev
->flags
&= ~MLX4_FLAG_MSI_X
;
1336 pci_disable_msix(pdev
);
1337 err
= mlx4_setup_hca(dev
);
1343 for (port
= 1; port
<= dev
->caps
.num_ports
; port
++) {
1344 err
= mlx4_init_port_info(dev
, port
);
1349 err
= mlx4_register_device(dev
);
1353 mlx4_sense_init(dev
);
1354 mlx4_start_sense(dev
);
1356 pci_set_drvdata(pdev
, dev
);
1361 for (--port
; port
>= 1; --port
)
1362 mlx4_cleanup_port_info(&priv
->port
[port
]);
1364 mlx4_cleanup_counters_table(dev
);
1365 mlx4_cleanup_mcg_table(dev
);
1366 mlx4_cleanup_qp_table(dev
);
1367 mlx4_cleanup_srq_table(dev
);
1368 mlx4_cleanup_cq_table(dev
);
1369 mlx4_cmd_use_polling(dev
);
1370 mlx4_cleanup_eq_table(dev
);
1371 mlx4_cleanup_mr_table(dev
);
1372 mlx4_cleanup_xrcd_table(dev
);
1373 mlx4_cleanup_pd_table(dev
);
1374 mlx4_cleanup_uar_table(dev
);
1377 mlx4_clear_steering(dev
);
1380 mlx4_free_eq_table(dev
);
1383 if (dev
->flags
& MLX4_FLAG_MSI_X
)
1384 pci_disable_msix(pdev
);
1386 mlx4_close_hca(dev
);
1389 mlx4_cmd_cleanup(dev
);
1394 err_release_regions
:
1395 pci_release_regions(pdev
);
1398 pci_disable_device(pdev
);
1399 pci_set_drvdata(pdev
, NULL
);
1403 static int __devinit
mlx4_init_one(struct pci_dev
*pdev
,
1404 const struct pci_device_id
*id
)
1406 printk_once(KERN_INFO
"%s", mlx4_version
);
1408 return __mlx4_init_one(pdev
, id
);
1411 static void mlx4_remove_one(struct pci_dev
*pdev
)
1413 struct mlx4_dev
*dev
= pci_get_drvdata(pdev
);
1414 struct mlx4_priv
*priv
= mlx4_priv(dev
);
1418 mlx4_stop_sense(dev
);
1419 mlx4_unregister_device(dev
);
1421 for (p
= 1; p
<= dev
->caps
.num_ports
; p
++) {
1422 mlx4_cleanup_port_info(&priv
->port
[p
]);
1423 mlx4_CLOSE_PORT(dev
, p
);
1426 mlx4_cleanup_counters_table(dev
);
1427 mlx4_cleanup_mcg_table(dev
);
1428 mlx4_cleanup_qp_table(dev
);
1429 mlx4_cleanup_srq_table(dev
);
1430 mlx4_cleanup_cq_table(dev
);
1431 mlx4_cmd_use_polling(dev
);
1432 mlx4_cleanup_eq_table(dev
);
1433 mlx4_cleanup_mr_table(dev
);
1434 mlx4_cleanup_xrcd_table(dev
);
1435 mlx4_cleanup_pd_table(dev
);
1438 mlx4_uar_free(dev
, &priv
->driver_uar
);
1439 mlx4_cleanup_uar_table(dev
);
1440 mlx4_clear_steering(dev
);
1441 mlx4_free_eq_table(dev
);
1442 mlx4_close_hca(dev
);
1443 mlx4_cmd_cleanup(dev
);
1445 if (dev
->flags
& MLX4_FLAG_MSI_X
)
1446 pci_disable_msix(pdev
);
1449 pci_release_regions(pdev
);
1450 pci_disable_device(pdev
);
1451 pci_set_drvdata(pdev
, NULL
);
1455 int mlx4_restart_one(struct pci_dev
*pdev
)
1457 mlx4_remove_one(pdev
);
1458 return __mlx4_init_one(pdev
, NULL
);
1461 static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table
) = {
1462 { PCI_VDEVICE(MELLANOX
, 0x6340) }, /* MT25408 "Hermon" SDR */
1463 { PCI_VDEVICE(MELLANOX
, 0x634a) }, /* MT25408 "Hermon" DDR */
1464 { PCI_VDEVICE(MELLANOX
, 0x6354) }, /* MT25408 "Hermon" QDR */
1465 { PCI_VDEVICE(MELLANOX
, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */
1466 { PCI_VDEVICE(MELLANOX
, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */
1467 { PCI_VDEVICE(MELLANOX
, 0x6368) }, /* MT25408 "Hermon" EN 10GigE */
1468 { PCI_VDEVICE(MELLANOX
, 0x6750) }, /* MT25408 "Hermon" EN 10GigE PCIe gen2 */
1469 { PCI_VDEVICE(MELLANOX
, 0x6372) }, /* MT25458 ConnectX EN 10GBASE-T 10GigE */
1470 { PCI_VDEVICE(MELLANOX
, 0x675a) }, /* MT25458 ConnectX EN 10GBASE-T+Gen2 10GigE */
1471 { PCI_VDEVICE(MELLANOX
, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/
1472 { PCI_VDEVICE(MELLANOX
, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */
1473 { PCI_VDEVICE(MELLANOX
, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */
1474 { PCI_VDEVICE(MELLANOX
, 0x1002) }, /* MT25400 Family [ConnectX-2 Virtual Function] */
1475 { PCI_VDEVICE(MELLANOX
, 0x1003) }, /* MT27500 Family [ConnectX-3] */
1476 { PCI_VDEVICE(MELLANOX
, 0x1004) }, /* MT27500 Family [ConnectX-3 Virtual Function] */
1477 { PCI_VDEVICE(MELLANOX
, 0x1005) }, /* MT27510 Family */
1478 { PCI_VDEVICE(MELLANOX
, 0x1006) }, /* MT27511 Family */
1479 { PCI_VDEVICE(MELLANOX
, 0x1007) }, /* MT27520 Family */
1480 { PCI_VDEVICE(MELLANOX
, 0x1008) }, /* MT27521 Family */
1481 { PCI_VDEVICE(MELLANOX
, 0x1009) }, /* MT27530 Family */
1482 { PCI_VDEVICE(MELLANOX
, 0x100a) }, /* MT27531 Family */
1483 { PCI_VDEVICE(MELLANOX
, 0x100b) }, /* MT27540 Family */
1484 { PCI_VDEVICE(MELLANOX
, 0x100c) }, /* MT27541 Family */
1485 { PCI_VDEVICE(MELLANOX
, 0x100d) }, /* MT27550 Family */
1486 { PCI_VDEVICE(MELLANOX
, 0x100e) }, /* MT27551 Family */
1487 { PCI_VDEVICE(MELLANOX
, 0x100f) }, /* MT27560 Family */
1488 { PCI_VDEVICE(MELLANOX
, 0x1010) }, /* MT27561 Family */
1492 MODULE_DEVICE_TABLE(pci
, mlx4_pci_table
);
1494 static struct pci_driver mlx4_driver
= {
1496 .id_table
= mlx4_pci_table
,
1497 .probe
= mlx4_init_one
,
1498 .remove
= __devexit_p(mlx4_remove_one
)
1501 static int __init
mlx4_verify_params(void)
1503 if ((log_num_mac
< 0) || (log_num_mac
> 7)) {
1504 pr_warning("mlx4_core: bad num_mac: %d\n", log_num_mac
);
1508 if ((log_num_vlan
< 0) || (log_num_vlan
> 7)) {
1509 pr_warning("mlx4_core: bad num_vlan: %d\n", log_num_vlan
);
1513 if ((log_mtts_per_seg
< 1) || (log_mtts_per_seg
> 7)) {
1514 pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg
);
1521 static int __init
mlx4_init(void)
1525 if (mlx4_verify_params())
1530 mlx4_wq
= create_singlethread_workqueue("mlx4");
1534 ret
= pci_register_driver(&mlx4_driver
);
1535 return ret
< 0 ? ret
: 0;
1538 static void __exit
mlx4_cleanup(void)
1540 pci_unregister_driver(&mlx4_driver
);
1541 destroy_workqueue(mlx4_wq
);
1544 module_init(mlx4_init
);
1545 module_exit(mlx4_cleanup
);