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 Cisco Systems. All rights reserved.
5 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved.
6 * Copyright (c) 2004 Voltaire, Inc. All rights reserved.
8 * This software is available to you under a choice of one of two
9 * licenses. You may choose to be licensed under the terms of the GNU
10 * General Public License (GPL) Version 2, available from the file
11 * COPYING in the main directory of this source tree, or the
12 * OpenIB.org BSD license below:
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
22 * - Redistributions in binary form must reproduce the above
23 * copyright notice, this list of conditions and the following
24 * disclaimer in the documentation and/or other materials
25 * provided with the distribution.
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
40 #include <linux/mutex.h>
41 #include <linux/radix-tree.h>
42 #include <linux/timer.h>
43 #include <linux/semaphore.h>
44 #include <linux/workqueue.h>
45 #include <linux/rwsem.h>
47 #include <linux/mlx4/device.h>
48 #include <linux/mlx4/driver.h>
49 #include <linux/mlx4/doorbell.h>
51 #define DRV_NAME "mlx4_core"
52 #define DRV_VERSION "1.0"
53 #define DRV_RELDATE "July 14, 2011"
56 MLX4_HCR_BASE = 0x80680,
57 MLX4_HCR_SIZE = 0x0001c,
58 MLX4_CLR_INT_SIZE = 0x00008
62 MLX4_MGM_ENTRY_SIZE = 0x100,
63 MLX4_QP_PER_MGM = 4 * (MLX4_MGM_ENTRY_SIZE / 16 - 2),
64 MLX4_MTT_ENTRY_PER_SEG = 8
68 MLX4_NUM_PDS = 1 << 15
72 MLX4_CMPT_TYPE_QP = 0,
73 MLX4_CMPT_TYPE_SRQ = 1,
74 MLX4_CMPT_TYPE_CQ = 2,
75 MLX4_CMPT_TYPE_EQ = 3,
81 MLX4_NUM_CMPTS = MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
84 #ifdef CONFIG_MLX4_DEBUG
85 extern int mlx4_debug_level;
86 #else /* CONFIG_MLX4_DEBUG */
87 #define mlx4_debug_level (0)
88 #endif /* CONFIG_MLX4_DEBUG */
90 #define mlx4_dbg(mdev, format, arg...) \
92 if (mlx4_debug_level) \
93 dev_printk(KERN_DEBUG, &mdev->pdev->dev, format, ##arg); \
96 #define mlx4_err(mdev, format, arg...) \
97 dev_err(&mdev->pdev->dev, format, ##arg)
98 #define mlx4_info(mdev, format, arg...) \
99 dev_info(&mdev->pdev->dev, format, ##arg)
100 #define mlx4_warn(mdev, format, arg...) \
101 dev_warn(&mdev->pdev->dev, format, ##arg)
111 unsigned long *table;
115 unsigned long **bits;
116 unsigned int *num_free;
123 struct mlx4_icm_table {
131 struct mlx4_icm **icm;
135 struct mlx4_dev *dev;
136 void __iomem *doorbell;
142 struct mlx4_buf_list *page_list;
146 struct mlx4_profile {
159 struct mlx4_icm *fw_icm;
160 struct mlx4_icm *aux_icm;
167 #define MGM_QPN_MASK 0x00FFFFFF
168 #define MGM_BLCK_LB_BIT 30
170 struct mlx4_promisc_qp {
171 struct list_head list;
175 struct mlx4_steer_index {
176 struct list_head list;
178 struct list_head duplicates;
182 __be32 next_gid_index;
183 __be32 members_count;
186 __be32 qp[MLX4_QP_PER_MGM];
189 struct pci_pool *pool;
191 struct mutex hcr_mutex;
192 struct semaphore poll_sem;
193 struct semaphore event_sem;
194 struct rw_semaphore switch_sem;
196 spinlock_t context_lock;
198 struct mlx4_cmd_context *context;
204 struct mlx4_uar_table {
205 struct mlx4_bitmap bitmap;
208 struct mlx4_mr_table {
209 struct mlx4_bitmap mpt_bitmap;
210 struct mlx4_buddy mtt_buddy;
213 struct mlx4_icm_table mtt_table;
214 struct mlx4_icm_table dmpt_table;
217 struct mlx4_cq_table {
218 struct mlx4_bitmap bitmap;
220 struct radix_tree_root tree;
221 struct mlx4_icm_table table;
222 struct mlx4_icm_table cmpt_table;
225 struct mlx4_eq_table {
226 struct mlx4_bitmap bitmap;
228 void __iomem *clr_int;
229 void __iomem **uar_map;
232 struct mlx4_icm_table table;
233 struct mlx4_icm_table cmpt_table;
238 struct mlx4_srq_table {
239 struct mlx4_bitmap bitmap;
241 struct radix_tree_root tree;
242 struct mlx4_icm_table table;
243 struct mlx4_icm_table cmpt_table;
246 struct mlx4_qp_table {
247 struct mlx4_bitmap bitmap;
251 struct mlx4_icm_table qp_table;
252 struct mlx4_icm_table auxc_table;
253 struct mlx4_icm_table altc_table;
254 struct mlx4_icm_table rdmarc_table;
255 struct mlx4_icm_table cmpt_table;
258 struct mlx4_mcg_table {
260 struct mlx4_bitmap bitmap;
261 struct mlx4_icm_table table;
264 struct mlx4_catas_err {
266 struct timer_list timer;
267 struct list_head list;
270 #define MLX4_MAX_MAC_NUM 128
271 #define MLX4_MAC_TABLE_SIZE (MLX4_MAX_MAC_NUM << 3)
273 struct mlx4_mac_table {
274 __be64 entries[MLX4_MAX_MAC_NUM];
275 int refs[MLX4_MAX_MAC_NUM];
281 #define MLX4_MAX_VLAN_NUM 128
282 #define MLX4_VLAN_TABLE_SIZE (MLX4_MAX_VLAN_NUM << 2)
284 struct mlx4_vlan_table {
285 __be32 entries[MLX4_MAX_VLAN_NUM];
286 int refs[MLX4_MAX_VLAN_NUM];
292 struct mlx4_mac_entry {
296 struct mlx4_port_info {
297 struct mlx4_dev *dev;
300 struct device_attribute port_attr;
301 enum mlx4_port_type tmp_type;
302 struct mlx4_mac_table mac_table;
303 struct radix_tree_root mac_tree;
304 struct mlx4_vlan_table vlan_table;
309 struct mlx4_dev *dev;
310 u8 do_sense_port[MLX4_MAX_PORTS + 1];
311 u8 sense_allowed[MLX4_MAX_PORTS + 1];
312 struct delayed_work sense_poll;
315 struct mlx4_msix_ctl {
317 spinlock_t pool_lock;
321 struct list_head promisc_qps[MLX4_NUM_STEERS];
322 struct list_head steer_entries[MLX4_NUM_STEERS];
323 struct list_head high_prios;
329 struct list_head dev_list;
330 struct list_head ctx_list;
336 struct list_head pgdir_list;
337 struct mutex pgdir_mutex;
342 struct mlx4_bitmap pd_bitmap;
343 struct mlx4_bitmap xrcd_bitmap;
344 struct mlx4_uar_table uar_table;
345 struct mlx4_mr_table mr_table;
346 struct mlx4_cq_table cq_table;
347 struct mlx4_eq_table eq_table;
348 struct mlx4_srq_table srq_table;
349 struct mlx4_qp_table qp_table;
350 struct mlx4_mcg_table mcg_table;
351 struct mlx4_bitmap counters_bitmap;
353 struct mlx4_catas_err catas_err;
355 void __iomem *clr_base;
357 struct mlx4_uar driver_uar;
359 struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
360 struct mlx4_sense sense;
361 struct mutex port_mutex;
362 struct mlx4_msix_ctl msix_ctl;
363 struct mlx4_steer *steer;
364 struct list_head bf_list;
365 struct mutex bf_mutex;
366 struct io_mapping *bf_mapping;
369 static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
371 return container_of(dev, struct mlx4_priv, dev);
374 #define MLX4_SENSE_RANGE (HZ * 3)
376 extern struct workqueue_struct *mlx4_wq;
378 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
379 void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
380 u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align);
381 void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt);
382 u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
383 int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
384 u32 reserved_bot, u32 resetrved_top);
385 void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
387 int mlx4_reset(struct mlx4_dev *dev);
389 int mlx4_alloc_eq_table(struct mlx4_dev *dev);
390 void mlx4_free_eq_table(struct mlx4_dev *dev);
392 int mlx4_init_pd_table(struct mlx4_dev *dev);
393 int mlx4_init_xrcd_table(struct mlx4_dev *dev);
394 int mlx4_init_uar_table(struct mlx4_dev *dev);
395 int mlx4_init_mr_table(struct mlx4_dev *dev);
396 int mlx4_init_eq_table(struct mlx4_dev *dev);
397 int mlx4_init_cq_table(struct mlx4_dev *dev);
398 int mlx4_init_qp_table(struct mlx4_dev *dev);
399 int mlx4_init_srq_table(struct mlx4_dev *dev);
400 int mlx4_init_mcg_table(struct mlx4_dev *dev);
402 void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
403 void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
404 void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
405 void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
406 void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
407 void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
408 void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
409 void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
410 void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
412 void mlx4_start_catas_poll(struct mlx4_dev *dev);
413 void mlx4_stop_catas_poll(struct mlx4_dev *dev);
414 void mlx4_catas_init(void);
415 int mlx4_restart_one(struct pci_dev *pdev);
416 int mlx4_register_device(struct mlx4_dev *dev);
417 void mlx4_unregister_device(struct mlx4_dev *dev);
418 void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port);
421 struct mlx4_init_hca_param;
423 u64 mlx4_make_profile(struct mlx4_dev *dev,
424 struct mlx4_profile *request,
425 struct mlx4_dev_cap *dev_cap,
426 struct mlx4_init_hca_param *init_hca);
428 int mlx4_cmd_init(struct mlx4_dev *dev);
429 void mlx4_cmd_cleanup(struct mlx4_dev *dev);
430 void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
431 int mlx4_cmd_use_events(struct mlx4_dev *dev);
432 void mlx4_cmd_use_polling(struct mlx4_dev *dev);
434 void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
435 void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
437 void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
439 void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
441 void mlx4_handle_catas_err(struct mlx4_dev *dev);
443 int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
444 enum mlx4_port_type *type);
445 void mlx4_do_sense_ports(struct mlx4_dev *dev,
446 enum mlx4_port_type *stype,
447 enum mlx4_port_type *defaults);
448 void mlx4_start_sense(struct mlx4_dev *dev);
449 void mlx4_stop_sense(struct mlx4_dev *dev);
450 void mlx4_sense_init(struct mlx4_dev *dev);
451 int mlx4_check_port_params(struct mlx4_dev *dev,
452 enum mlx4_port_type *port_type);
453 int mlx4_change_port_types(struct mlx4_dev *dev,
454 enum mlx4_port_type *port_types);
456 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
457 void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
459 int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
460 int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
461 int mlx4_check_ext_port_caps(struct mlx4_dev *dev, u8 port);
463 int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
464 enum mlx4_protocol prot, enum mlx4_steer_type steer);
465 int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
466 int block_mcast_loopback, enum mlx4_protocol prot,
467 enum mlx4_steer_type steer);