1  /*
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.
7   *
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:
13   *
14   *     Redistribution and use in source and binary forms, with or
15   *     without modification, are permitted provided that the following
16   *     conditions are met:
17   *
18   *      - Redistributions of source code must retain the above
19   *        copyright notice, this list of conditions and the following
20   *        disclaimer.
21   *
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.
26   *
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
34   * SOFTWARE.
35   */
36  
37  #ifndef MLX4_H
38  #define MLX4_H
39  
40  #include <linux/mutex.h>
41  #include <linux/radix-tree.h>
42  #include <linux/rbtree.h>
43  #include <linux/timer.h>
44  #include <linux/semaphore.h>
45  #include <linux/workqueue.h>
46  #include <linux/interrupt.h>
47  #include <linux/spinlock.h>
48  #include <net/devlink.h>
49  #include <linux/rwsem.h>
50  #include <linux/auxiliary_bus.h>
51  #include <linux/notifier.h>
52  
53  #include <linux/mlx4/device.h>
54  #include <linux/mlx4/driver.h>
55  #include <linux/mlx4/doorbell.h>
56  #include <linux/mlx4/cmd.h>
57  #include "fw_qos.h"
58  
59  #define DRV_NAME	"mlx4_core"
60  #define DRV_VERSION	"4.0-0"
61  #define DRV_NAME_FOR_FW		"Linux," DRV_NAME "," DRV_VERSION
62  
63  #define MLX4_FS_UDP_UC_EN		(1 << 1)
64  #define MLX4_FS_TCP_UC_EN		(1 << 2)
65  #define MLX4_FS_NUM_OF_L2_ADDR		8
66  #define MLX4_FS_MGM_LOG_ENTRY_SIZE	7
67  #define MLX4_FS_NUM_MCG			(1 << 17)
68  
69  #define INIT_HCA_TPT_MW_ENABLE          (1 << 7)
70  
71  #define MLX4_QUERY_IF_STAT_RESET	BIT(31)
72  
73  enum {
74  	MLX4_HCR_BASE		= 0x80680,
75  	MLX4_HCR_SIZE		= 0x0001c,
76  	MLX4_CLR_INT_SIZE	= 0x00008,
77  	MLX4_SLAVE_COMM_BASE	= 0x0,
78  	MLX4_COMM_PAGESIZE	= 0x1000,
79  	MLX4_CLOCK_SIZE		= 0x00008,
80  	MLX4_COMM_CHAN_CAPS	= 0x8,
81  	MLX4_COMM_CHAN_FLAGS	= 0xc
82  };
83  
84  enum {
85  	MLX4_DEFAULT_MGM_LOG_ENTRY_SIZE = 10,
86  	MLX4_MIN_MGM_LOG_ENTRY_SIZE = 7,
87  	MLX4_MAX_MGM_LOG_ENTRY_SIZE = 12,
88  	MLX4_MAX_QP_PER_MGM = 4 * ((1 << MLX4_MAX_MGM_LOG_ENTRY_SIZE) / 16 - 2),
89  };
90  
91  enum {
92  	MLX4_NUM_PDS		= 1 << 15
93  };
94  
95  enum {
96  	MLX4_CMPT_TYPE_QP	= 0,
97  	MLX4_CMPT_TYPE_SRQ	= 1,
98  	MLX4_CMPT_TYPE_CQ	= 2,
99  	MLX4_CMPT_TYPE_EQ	= 3,
100  	MLX4_CMPT_NUM_TYPE
101  };
102  
103  enum {
104  	MLX4_CMPT_SHIFT		= 24,
105  	MLX4_NUM_CMPTS		= MLX4_CMPT_NUM_TYPE << MLX4_CMPT_SHIFT
106  };
107  
108  enum mlx4_mpt_state {
109  	MLX4_MPT_DISABLED = 0,
110  	MLX4_MPT_EN_HW,
111  	MLX4_MPT_EN_SW
112  };
113  
114  #define MLX4_COMM_TIME		10000
115  #define MLX4_COMM_OFFLINE_TIME_OUT 30000
116  #define MLX4_COMM_CMD_NA_OP    0x0
117  
118  
119  enum {
120  	MLX4_COMM_CMD_RESET,
121  	MLX4_COMM_CMD_VHCR0,
122  	MLX4_COMM_CMD_VHCR1,
123  	MLX4_COMM_CMD_VHCR2,
124  	MLX4_COMM_CMD_VHCR_EN,
125  	MLX4_COMM_CMD_VHCR_POST,
126  	MLX4_COMM_CMD_FLR = 254
127  };
128  
129  enum {
130  	MLX4_VF_SMI_DISABLED,
131  	MLX4_VF_SMI_ENABLED
132  };
133  
134  /*The flag indicates that the slave should delay the RESET cmd*/
135  #define MLX4_DELAY_RESET_SLAVE 0xbbbbbbb
136  /*indicates how many retries will be done if we are in the middle of FLR*/
137  #define NUM_OF_RESET_RETRIES	10
138  #define SLEEP_TIME_IN_RESET	(2 * 1000)
139  enum mlx4_resource {
140  	RES_QP,
141  	RES_CQ,
142  	RES_SRQ,
143  	RES_XRCD,
144  	RES_MPT,
145  	RES_MTT,
146  	RES_MAC,
147  	RES_VLAN,
148  	RES_NPORT_ID,
149  	RES_COUNTER,
150  	RES_FS_RULE,
151  	RES_EQ,
152  	MLX4_NUM_OF_RESOURCE_TYPE
153  };
154  
155  enum mlx4_alloc_mode {
156  	RES_OP_RESERVE,
157  	RES_OP_RESERVE_AND_MAP,
158  	RES_OP_MAP_ICM,
159  };
160  
161  enum mlx4_res_tracker_free_type {
162  	RES_TR_FREE_ALL,
163  	RES_TR_FREE_SLAVES_ONLY,
164  	RES_TR_FREE_STRUCTS_ONLY,
165  };
166  
167  /*
168   *Virtual HCR structures.
169   * mlx4_vhcr is the sw representation, in machine endianness
170   *
171   * mlx4_vhcr_cmd is the formalized structure, the one that is passed
172   * to FW to go through communication channel.
173   * It is big endian, and has the same structure as the physical HCR
174   * used by command interface
175   */
176  struct mlx4_vhcr {
177  	u64	in_param;
178  	u64	out_param;
179  	u32	in_modifier;
180  	u32	errno;
181  	u16	op;
182  	u16	token;
183  	u8	op_modifier;
184  	u8	e_bit;
185  };
186  
187  struct mlx4_vhcr_cmd {
188  	__be64 in_param;
189  	__be32 in_modifier;
190  	u32 reserved1;
191  	__be64 out_param;
192  	__be16 token;
193  	u16 reserved;
194  	u8 status;
195  	u8 flags;
196  	__be16 opcode;
197  };
198  
199  struct mlx4_cmd_info {
200  	u16 opcode;
201  	bool has_inbox;
202  	bool has_outbox;
203  	bool out_is_imm;
204  	bool encode_slave_id;
205  	int (*verify)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
206  		      struct mlx4_cmd_mailbox *inbox);
207  	int (*wrapper)(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
208  		       struct mlx4_cmd_mailbox *inbox,
209  		       struct mlx4_cmd_mailbox *outbox,
210  		       struct mlx4_cmd_info *cmd);
211  };
212  
213  #ifdef CONFIG_MLX4_DEBUG
214  extern int mlx4_debug_level;
215  #else /* CONFIG_MLX4_DEBUG */
216  #define mlx4_debug_level	(0)
217  #endif /* CONFIG_MLX4_DEBUG */
218  
219  #define mlx4_dbg(mdev, format, ...)					\
220  do {									\
221  	if (mlx4_debug_level)						\
222  		dev_printk(KERN_DEBUG,					\
223  			   &(mdev)->persist->pdev->dev, format,		\
224  			   ##__VA_ARGS__);				\
225  } while (0)
226  
227  #define mlx4_err(mdev, format, ...)					\
228  	dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
229  #define mlx4_info(mdev, format, ...)					\
230  	dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
231  #define mlx4_warn(mdev, format, ...)					\
232  	dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
233  
234  extern int log_mtts_per_seg;
235  extern int mlx4_internal_err_reset;
236  
237  #define MLX4_MAX_NUM_SLAVES	(min(MLX4_MAX_NUM_PF + MLX4_MAX_NUM_VF, \
238  				     MLX4_MFUNC_MAX))
239  #define ALL_SLAVES 0xff
240  
241  struct mlx4_bitmap {
242  	u32			last;
243  	u32			top;
244  	u32			max;
245  	u32                     reserved_top;
246  	u32			mask;
247  	u32			avail;
248  	u32			effective_len;
249  	spinlock_t		lock;
250  	unsigned long	       *table;
251  };
252  
253  struct mlx4_buddy {
254  	unsigned long	      **bits;
255  	unsigned int	       *num_free;
256  	u32			max_order;
257  	spinlock_t		lock;
258  };
259  
260  struct mlx4_icm;
261  
262  struct mlx4_icm_table {
263  	u64			virt;
264  	int			num_icm;
265  	u32			num_obj;
266  	int			obj_size;
267  	int			lowmem;
268  	int			coherent;
269  	struct mutex		mutex;
270  	struct mlx4_icm	      **icm;
271  };
272  
273  #define MLX4_MPT_FLAG_SW_OWNS	    (0xfUL << 28)
274  #define MLX4_MPT_FLAG_FREE	    (0x3UL << 28)
275  #define MLX4_MPT_FLAG_MIO	    (1 << 17)
276  #define MLX4_MPT_FLAG_BIND_ENABLE   (1 << 15)
277  #define MLX4_MPT_FLAG_PHYSICAL	    (1 <<  9)
278  #define MLX4_MPT_FLAG_REGION	    (1 <<  8)
279  
280  #define MLX4_MPT_PD_MASK	    (0x1FFFFUL)
281  #define MLX4_MPT_PD_VF_MASK	    (0xFE0000UL)
282  #define MLX4_MPT_PD_FLAG_FAST_REG   (1 << 27)
283  #define MLX4_MPT_PD_FLAG_RAE	    (1 << 28)
284  #define MLX4_MPT_PD_FLAG_EN_INV	    (3 << 24)
285  
286  #define MLX4_MPT_QP_FLAG_BOUND_QP   (1 << 7)
287  
288  #define MLX4_MPT_STATUS_SW		0xF0
289  #define MLX4_MPT_STATUS_HW		0x00
290  
291  #define MLX4_CQE_SIZE_MASK_STRIDE	0x3
292  #define MLX4_EQE_SIZE_MASK_STRIDE	0x30
293  
294  #define MLX4_EQ_ASYNC			0
295  #define MLX4_EQ_TO_CQ_VECTOR(vector)	((vector) - \
296  					 !!((int)(vector) >= MLX4_EQ_ASYNC))
297  #define MLX4_CQ_TO_EQ_VECTOR(vector)	((vector) + \
298  					 !!((int)(vector) >= MLX4_EQ_ASYNC))
299  
300  /*
301   * Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
302   */
303  struct mlx4_mpt_entry {
304  	__be32 flags;
305  	__be32 qpn;
306  	__be32 key;
307  	__be32 pd_flags;
308  	__be64 start;
309  	__be64 length;
310  	__be32 lkey;
311  	__be32 win_cnt;
312  	u8	reserved1[3];
313  	u8	mtt_rep;
314  	__be64 mtt_addr;
315  	__be32 mtt_sz;
316  	__be32 entity_size;
317  	__be32 first_byte_offset;
318  } __packed;
319  
320  /*
321   * Must be packed because start is 64 bits but only aligned to 32 bits.
322   */
323  struct mlx4_eq_context {
324  	__be32			flags;
325  	u16			reserved1[3];
326  	__be16			page_offset;
327  	u8			log_eq_size;
328  	u8			reserved2[4];
329  	u8			eq_period;
330  	u8			reserved3;
331  	u8			eq_max_count;
332  	u8			reserved4[3];
333  	u8			intr;
334  	u8			log_page_size;
335  	u8			reserved5[2];
336  	u8			mtt_base_addr_h;
337  	__be32			mtt_base_addr_l;
338  	u32			reserved6[2];
339  	__be32			consumer_index;
340  	__be32			producer_index;
341  	u32			reserved7[4];
342  };
343  
344  struct mlx4_cq_context {
345  	__be32			flags;
346  	u16			reserved1[3];
347  	__be16			page_offset;
348  	__be32			logsize_usrpage;
349  	__be16			cq_period;
350  	__be16			cq_max_count;
351  	u8			reserved2[3];
352  	u8			comp_eqn;
353  	u8			log_page_size;
354  	u8			reserved3[2];
355  	u8			mtt_base_addr_h;
356  	__be32			mtt_base_addr_l;
357  	__be32			last_notified_index;
358  	__be32			solicit_producer_index;
359  	__be32			consumer_index;
360  	__be32			producer_index;
361  	u32			reserved4[2];
362  	__be64			db_rec_addr;
363  };
364  
365  struct mlx4_srq_context {
366  	__be32			state_logsize_srqn;
367  	u8			logstride;
368  	u8			reserved1;
369  	__be16			xrcd;
370  	__be32			pg_offset_cqn;
371  	u32			reserved2;
372  	u8			log_page_size;
373  	u8			reserved3[2];
374  	u8			mtt_base_addr_h;
375  	__be32			mtt_base_addr_l;
376  	__be32			pd;
377  	__be16			limit_watermark;
378  	__be16			wqe_cnt;
379  	u16			reserved4;
380  	__be16			wqe_counter;
381  	u32			reserved5;
382  	__be64			db_rec_addr;
383  };
384  
385  struct mlx4_eq_tasklet {
386  	struct list_head list;
387  	struct list_head process_list;
388  	struct tasklet_struct task;
389  	/* lock on completion tasklet list */
390  	spinlock_t lock;
391  };
392  
393  struct mlx4_eq {
394  	struct mlx4_dev	       *dev;
395  	void __iomem	       *doorbell;
396  	int			eqn;
397  	u32			cons_index;
398  	u16			irq;
399  	u16			have_irq;
400  	int			nent;
401  	struct mlx4_buf_list   *page_list;
402  	struct mlx4_mtt		mtt;
403  	struct mlx4_eq_tasklet	tasklet_ctx;
404  	struct mlx4_active_ports actv_ports;
405  	u32			ref_count;
406  	cpumask_var_t		affinity_mask;
407  };
408  
409  struct mlx4_slave_eqe {
410  	u8 type;
411  	u8 port;
412  	u32 param;
413  };
414  
415  struct mlx4_slave_event_eq_info {
416  	int eqn;
417  	u16 token;
418  };
419  
420  struct mlx4_profile {
421  	int			num_qp;
422  	int			rdmarc_per_qp;
423  	int			num_srq;
424  	int			num_cq;
425  	int			num_mcg;
426  	int			num_mpt;
427  	unsigned		num_mtt;
428  };
429  
430  struct mlx4_fw {
431  	u64			clr_int_base;
432  	u64			catas_offset;
433  	u64			comm_base;
434  	u64			clock_offset;
435  	struct mlx4_icm	       *fw_icm;
436  	struct mlx4_icm	       *aux_icm;
437  	u32			catas_size;
438  	u16			fw_pages;
439  	u8			clr_int_bar;
440  	u8			catas_bar;
441  	u8			comm_bar;
442  	u8			clock_bar;
443  };
444  
445  struct mlx4_comm {
446  	u32			slave_write;
447  	u32			slave_read;
448  };
449  
450  enum {
451  	MLX4_MCAST_CONFIG       = 0,
452  	MLX4_MCAST_DISABLE      = 1,
453  	MLX4_MCAST_ENABLE       = 2,
454  };
455  
456  #define VLAN_FLTR_SIZE	128
457  
458  struct mlx4_vlan_fltr {
459  	__be32 entry[VLAN_FLTR_SIZE];
460  };
461  
462  struct mlx4_mcast_entry {
463  	struct list_head list;
464  	u64 addr;
465  };
466  
467  struct mlx4_promisc_qp {
468  	struct list_head list;
469  	u32 qpn;
470  };
471  
472  struct mlx4_steer_index {
473  	struct list_head list;
474  	unsigned int index;
475  	struct list_head duplicates;
476  };
477  
478  #define MLX4_EVENT_TYPES_NUM 64
479  
480  struct mlx4_slave_state {
481  	u8 comm_toggle;
482  	u8 last_cmd;
483  	u8 init_port_mask;
484  	bool active;
485  	bool old_vlan_api;
486  	bool vst_qinq_supported;
487  	u8 function;
488  	dma_addr_t vhcr_dma;
489  	u16 user_mtu[MLX4_MAX_PORTS + 1];
490  	u16 mtu[MLX4_MAX_PORTS + 1];
491  	__be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
492  	struct mlx4_slave_eqe eq[MLX4_MFUNC_MAX_EQES];
493  	struct list_head mcast_filters[MLX4_MAX_PORTS + 1];
494  	struct mlx4_vlan_fltr *vlan_filter[MLX4_MAX_PORTS + 1];
495  	/* event type to eq number lookup */
496  	struct mlx4_slave_event_eq_info event_eq[MLX4_EVENT_TYPES_NUM];
497  	u16 eq_pi;
498  	u16 eq_ci;
499  	spinlock_t lock;
500  	/*initialized via the kzalloc*/
501  	u8 is_slave_going_down;
502  	u32 cookie;
503  	enum slave_port_state port_state[MLX4_MAX_PORTS + 1];
504  };
505  
506  #define MLX4_VGT 4095
507  #define NO_INDX  (-1)
508  
509  struct mlx4_vport_state {
510  	u64 mac;
511  	u16 default_vlan;
512  	u8  default_qos;
513  	__be16 vlan_proto;
514  	u32 tx_rate;
515  	bool spoofchk;
516  	u32 link_state;
517  	u8 qos_vport;
518  	__be64 guid;
519  };
520  
521  struct mlx4_vf_admin_state {
522  	struct mlx4_vport_state vport[MLX4_MAX_PORTS + 1];
523  	u8 enable_smi[MLX4_MAX_PORTS + 1];
524  };
525  
526  struct mlx4_vport_oper_state {
527  	struct mlx4_vport_state state;
528  	int mac_idx;
529  	int vlan_idx;
530  };
531  
532  struct mlx4_vf_oper_state {
533  	struct mlx4_vport_oper_state vport[MLX4_MAX_PORTS + 1];
534  	u8 smi_enabled[MLX4_MAX_PORTS + 1];
535  };
536  
537  struct slave_list {
538  	struct mutex mutex;
539  	struct list_head res_list[MLX4_NUM_OF_RESOURCE_TYPE];
540  };
541  
542  struct resource_allocator {
543  	spinlock_t alloc_lock; /* protect quotas */
544  	union {
545  		unsigned int res_reserved;
546  		unsigned int res_port_rsvd[MLX4_MAX_PORTS];
547  	};
548  	union {
549  		int res_free;
550  		int res_port_free[MLX4_MAX_PORTS];
551  	};
552  	int *quota;
553  	int *allocated;
554  	int *guaranteed;
555  };
556  
557  struct mlx4_resource_tracker {
558  	spinlock_t lock;
559  	/* tree for each resources */
560  	struct rb_root res_tree[MLX4_NUM_OF_RESOURCE_TYPE];
561  	/* num_of_slave's lists, one per slave */
562  	struct slave_list *slave_list;
563  	struct resource_allocator res_alloc[MLX4_NUM_OF_RESOURCE_TYPE];
564  };
565  
566  #define SLAVE_EVENT_EQ_SIZE	128
567  struct mlx4_slave_event_eq {
568  	u32 eqn;
569  	u32 cons;
570  	u32 prod;
571  	spinlock_t event_lock;
572  	struct mlx4_eqe event_eqe[SLAVE_EVENT_EQ_SIZE];
573  };
574  
575  struct mlx4_qos_manager {
576  	int num_of_qos_vfs;
577  	DECLARE_BITMAP(priority_bm, MLX4_NUM_UP);
578  };
579  
580  struct mlx4_master_qp0_state {
581  	int proxy_qp0_active;
582  	int qp0_active;
583  	int port_active;
584  };
585  
586  struct mlx4_mfunc_master_ctx {
587  	struct mlx4_slave_state *slave_state;
588  	struct mlx4_vf_admin_state *vf_admin;
589  	struct mlx4_vf_oper_state *vf_oper;
590  	struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1];
591  	int			init_port_ref[MLX4_MAX_PORTS + 1];
592  	u16			max_mtu[MLX4_MAX_PORTS + 1];
593  	u16			max_user_mtu[MLX4_MAX_PORTS + 1];
594  	u8			pptx;
595  	u8			pprx;
596  	int			disable_mcast_ref[MLX4_MAX_PORTS + 1];
597  	struct mlx4_resource_tracker res_tracker;
598  	struct workqueue_struct *comm_wq;
599  	struct work_struct	comm_work;
600  	struct work_struct	slave_event_work;
601  	struct work_struct	slave_flr_event_work;
602  	spinlock_t		slave_state_lock;
603  	__be32			comm_arm_bit_vector[4];
604  	struct mlx4_eqe		cmd_eqe;
605  	struct mlx4_slave_event_eq slave_eq;
606  	struct mutex		gen_eqe_mutex[MLX4_MFUNC_MAX];
607  	struct mlx4_qos_manager qos_ctl[MLX4_MAX_PORTS + 1];
608  	u32			next_slave; /* mlx4_master_comm_channel */
609  };
610  
611  struct mlx4_mfunc {
612  	struct mlx4_comm __iomem       *comm;
613  	struct mlx4_vhcr_cmd	       *vhcr;
614  	dma_addr_t			vhcr_dma;
615  
616  	struct mlx4_mfunc_master_ctx	master;
617  };
618  
619  #define MGM_QPN_MASK       0x00FFFFFF
620  #define MGM_BLCK_LB_BIT    30
621  
622  struct mlx4_mgm {
623  	__be32			next_gid_index;
624  	__be32			members_count;
625  	u32			reserved[2];
626  	u8			gid[16];
627  	__be32			qp[MLX4_MAX_QP_PER_MGM];
628  };
629  
630  struct mlx4_cmd {
631  	struct dma_pool	       *pool;
632  	void __iomem	       *hcr;
633  	struct mutex		slave_cmd_mutex;
634  	struct semaphore	poll_sem;
635  	struct semaphore	event_sem;
636  	struct rw_semaphore	switch_sem;
637  	int			max_cmds;
638  	spinlock_t		context_lock;
639  	int			free_head;
640  	struct mlx4_cmd_context *context;
641  	u16			token_mask;
642  	u8			use_events;
643  	u8			toggle;
644  	u8			comm_toggle;
645  	u8			initialized;
646  };
647  
648  enum {
649  	MLX4_VF_IMMED_VLAN_FLAG_VLAN = 1 << 0,
650  	MLX4_VF_IMMED_VLAN_FLAG_QOS = 1 << 1,
651  	MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE = 1 << 2,
652  };
653  struct mlx4_vf_immed_vlan_work {
654  	struct work_struct	work;
655  	struct mlx4_priv	*priv;
656  	int			flags;
657  	int			slave;
658  	int			vlan_ix;
659  	int			orig_vlan_ix;
660  	u8			port;
661  	u8			qos;
662  	u8                      qos_vport;
663  	u16			vlan_id;
664  	u16			orig_vlan_id;
665  	__be16			vlan_proto;
666  };
667  
668  
669  struct mlx4_uar_table {
670  	struct mlx4_bitmap	bitmap;
671  };
672  
673  struct mlx4_mr_table {
674  	struct mlx4_bitmap	mpt_bitmap;
675  	struct mlx4_buddy	mtt_buddy;
676  	u64			mtt_base;
677  	u64			mpt_base;
678  	struct mlx4_icm_table	mtt_table;
679  	struct mlx4_icm_table	dmpt_table;
680  };
681  
682  struct mlx4_cq_table {
683  	struct mlx4_bitmap	bitmap;
684  	spinlock_t		lock;
685  	struct radix_tree_root	tree;
686  	struct mlx4_icm_table	table;
687  	struct mlx4_icm_table	cmpt_table;
688  };
689  
690  struct mlx4_eq_table {
691  	struct mlx4_bitmap	bitmap;
692  	char		       *irq_names;
693  	void __iomem	       *clr_int;
694  	void __iomem	      **uar_map;
695  	u32			clr_mask;
696  	struct mlx4_eq	       *eq;
697  	struct mlx4_icm_table	table;
698  	struct mlx4_icm_table	cmpt_table;
699  	int			have_irq;
700  	u8			inta_pin;
701  };
702  
703  struct mlx4_srq_table {
704  	struct mlx4_bitmap	bitmap;
705  	spinlock_t		lock;
706  	struct radix_tree_root	tree;
707  	struct mlx4_icm_table	table;
708  	struct mlx4_icm_table	cmpt_table;
709  };
710  
711  enum mlx4_qp_table_zones {
712  	MLX4_QP_TABLE_ZONE_GENERAL,
713  	MLX4_QP_TABLE_ZONE_RSS,
714  	MLX4_QP_TABLE_ZONE_RAW_ETH,
715  	MLX4_QP_TABLE_ZONE_NUM
716  };
717  
718  struct mlx4_qp_table {
719  	struct mlx4_bitmap	*bitmap_gen;
720  	struct mlx4_zone_allocator *zones;
721  	u32			zones_uids[MLX4_QP_TABLE_ZONE_NUM];
722  	u32			rdmarc_base;
723  	int			rdmarc_shift;
724  	spinlock_t		lock;
725  	struct mlx4_icm_table	qp_table;
726  	struct mlx4_icm_table	auxc_table;
727  	struct mlx4_icm_table	altc_table;
728  	struct mlx4_icm_table	rdmarc_table;
729  	struct mlx4_icm_table	cmpt_table;
730  };
731  
732  struct mlx4_mcg_table {
733  	struct mutex		mutex;
734  	struct mlx4_bitmap	bitmap;
735  	struct mlx4_icm_table	table;
736  };
737  
738  struct mlx4_catas_err {
739  	u32 __iomem	       *map;
740  	struct timer_list	timer;
741  	struct list_head	list;
742  };
743  
744  #define MLX4_MAX_MAC_NUM	128
745  #define MLX4_MAC_TABLE_SIZE	(MLX4_MAX_MAC_NUM << 3)
746  
747  struct mlx4_mac_table {
748  	__be64			entries[MLX4_MAX_MAC_NUM];
749  	int			refs[MLX4_MAX_MAC_NUM];
750  	bool			is_dup[MLX4_MAX_MAC_NUM];
751  	struct mutex		mutex;
752  	int			total;
753  	int			max;
754  };
755  
756  #define MLX4_ROCE_GID_ENTRY_SIZE	16
757  
758  struct mlx4_roce_gid_entry {
759  	u8 raw[MLX4_ROCE_GID_ENTRY_SIZE];
760  };
761  
762  struct mlx4_roce_gid_table {
763  	struct mlx4_roce_gid_entry	roce_gids[MLX4_ROCE_MAX_GIDS];
764  	struct mutex			mutex;
765  };
766  
767  #define MLX4_MAX_VLAN_NUM	128
768  #define MLX4_VLAN_TABLE_SIZE	(MLX4_MAX_VLAN_NUM << 2)
769  
770  struct mlx4_vlan_table {
771  	__be32			entries[MLX4_MAX_VLAN_NUM];
772  	int			refs[MLX4_MAX_VLAN_NUM];
773  	int			is_dup[MLX4_MAX_VLAN_NUM];
774  	struct mutex		mutex;
775  	int			total;
776  	int			max;
777  };
778  
779  #define SET_PORT_GEN_ALL_VALID	(MLX4_FLAG_V_MTU_MASK	| \
780  				 MLX4_FLAG_V_PPRX_MASK	| \
781  				 MLX4_FLAG_V_PPTX_MASK)
782  #define SET_PORT_PROMISC_SHIFT		31
783  #define SET_PORT_MC_PROMISC_SHIFT	30
784  
785  enum {
786  	MCAST_DIRECT_ONLY	= 0,
787  	MCAST_DIRECT		= 1,
788  	MCAST_DEFAULT		= 2
789  };
790  
791  
792  struct mlx4_set_port_general_context {
793  	u16 reserved1;
794  	u8 flags2;
795  	u8 flags;
796  	union {
797  		u8 ignore_fcs;
798  		u8 roce_mode;
799  	};
800  	u8 reserved2;
801  	__be16 mtu;
802  	u8 pptx;
803  	u8 pfctx;
804  	u16 reserved3;
805  	u8 pprx;
806  	u8 pfcrx;
807  	u16 reserved4;
808  	u32 reserved5;
809  	u8 phv_en;
810  	u8 reserved6[5];
811  	__be16 user_mtu;
812  	u16 reserved7;
813  	u8 user_mac[6];
814  };
815  
816  struct mlx4_set_port_rqp_calc_context {
817  	__be32 base_qpn;
818  	u8 rererved;
819  	u8 n_mac;
820  	u8 n_vlan;
821  	u8 n_prio;
822  	u8 reserved2[3];
823  	u8 mac_miss;
824  	u8 intra_no_vlan;
825  	u8 no_vlan;
826  	u8 intra_vlan_miss;
827  	u8 vlan_miss;
828  	u8 reserved3[3];
829  	u8 no_vlan_prio;
830  	__be32 promisc;
831  	__be32 mcast;
832  };
833  
834  struct mlx4_port_info {
835  	struct mlx4_dev	       *dev;
836  	int			port;
837  	char			dev_name[16];
838  	struct device_attribute port_attr;
839  	enum mlx4_port_type	tmp_type;
840  	char			dev_mtu_name[16];
841  	struct device_attribute port_mtu_attr;
842  	struct mlx4_mac_table	mac_table;
843  	struct mlx4_vlan_table	vlan_table;
844  	struct mlx4_roce_gid_table gid_table;
845  	int			base_qpn;
846  	struct cpu_rmap		*rmap;
847  	struct devlink_port	devlink_port;
848  };
849  
850  struct mlx4_sense {
851  	struct mlx4_dev		*dev;
852  	u8			do_sense_port[MLX4_MAX_PORTS + 1];
853  	u8			sense_allowed[MLX4_MAX_PORTS + 1];
854  	struct delayed_work	sense_poll;
855  };
856  
857  struct mlx4_msix_ctl {
858  	DECLARE_BITMAP(pool_bm, MAX_MSIX);
859  	struct mutex	pool_lock;
860  };
861  
862  struct mlx4_steer {
863  	struct list_head promisc_qps[MLX4_NUM_STEERS];
864  	struct list_head steer_entries[MLX4_NUM_STEERS];
865  };
866  
867  struct mlx4_port_map {
868  	u8	port1;
869  	u8	port2;
870  };
871  
872  enum {
873  	MLX4_PCI_DEV_IS_VF		= 1 << 0,
874  	MLX4_PCI_DEV_FORCE_SENSE_PORT	= 1 << 1,
875  };
876  
877  enum {
878  	MLX4_NO_RR	= 0,
879  	MLX4_USE_RR	= 1,
880  };
881  
882  struct mlx4_priv {
883  	struct mlx4_dev		dev;
884  
885  	struct mlx4_adev	**adev;
886  	int			adev_idx;
887  	struct atomic_notifier_head event_nh;
888  
889  	int			pci_dev_data;
890  	int                     removed;
891  
892  	struct list_head        pgdir_list;
893  	struct mutex            pgdir_mutex;
894  
895  	struct mlx4_fw		fw;
896  	struct mlx4_cmd		cmd;
897  	struct mlx4_mfunc	mfunc;
898  
899  	struct mlx4_bitmap	pd_bitmap;
900  	struct mlx4_bitmap	xrcd_bitmap;
901  	struct mlx4_uar_table	uar_table;
902  	struct mlx4_mr_table	mr_table;
903  	struct mlx4_cq_table	cq_table;
904  	struct mlx4_eq_table	eq_table;
905  	struct mlx4_srq_table	srq_table;
906  	struct mlx4_qp_table	qp_table;
907  	struct mlx4_mcg_table	mcg_table;
908  	struct mlx4_bitmap	counters_bitmap;
909  	int			def_counter[MLX4_MAX_PORTS];
910  
911  	struct mlx4_catas_err	catas_err;
912  
913  	void __iomem	       *clr_base;
914  
915  	struct mlx4_uar		driver_uar;
916  	void __iomem	       *kar;
917  	struct mlx4_port_info	port[MLX4_MAX_PORTS + 1];
918  	struct mlx4_sense       sense;
919  	struct mutex		port_mutex;
920  	struct mlx4_msix_ctl	msix_ctl;
921  	struct mlx4_steer	*steer;
922  	struct list_head	bf_list;
923  	struct mutex		bf_mutex;
924  	struct io_mapping	*bf_mapping;
925  	void __iomem            *clock_mapping;
926  	int			reserved_mtts;
927  	int			fs_hash_mode;
928  	u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
929  	struct mlx4_port_map	v2p; /* cached port mapping configuration */
930  	struct mutex		bond_mutex; /* for bond mode */
931  	__be64			slave_node_guids[MLX4_MFUNC_MAX];
932  
933  	atomic_t		opreq_count;
934  	struct work_struct	opreq_task;
935  };
936  
mlx4_priv(struct mlx4_dev * dev)937  static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
938  {
939  	return container_of(dev, struct mlx4_priv, dev);
940  }
941  
942  #define MLX4_SENSE_RANGE	(HZ * 3)
943  
944  extern struct workqueue_struct *mlx4_wq;
945  
946  u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
947  void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj, int use_rr);
948  u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt,
949  			    int align, u32 skip_mask);
950  void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt,
951  			    int use_rr);
952  u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
953  int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
954  		     u32 reserved_bot, u32 resetrved_top);
955  void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
956  
957  int mlx4_reset(struct mlx4_dev *dev);
958  
959  int mlx4_alloc_eq_table(struct mlx4_dev *dev);
960  void mlx4_free_eq_table(struct mlx4_dev *dev);
961  
962  int mlx4_init_pd_table(struct mlx4_dev *dev);
963  int mlx4_init_xrcd_table(struct mlx4_dev *dev);
964  int mlx4_init_uar_table(struct mlx4_dev *dev);
965  int mlx4_init_mr_table(struct mlx4_dev *dev);
966  int mlx4_init_eq_table(struct mlx4_dev *dev);
967  int mlx4_init_cq_table(struct mlx4_dev *dev);
968  int mlx4_init_qp_table(struct mlx4_dev *dev);
969  int mlx4_init_srq_table(struct mlx4_dev *dev);
970  int mlx4_init_mcg_table(struct mlx4_dev *dev);
971  
972  void mlx4_cleanup_pd_table(struct mlx4_dev *dev);
973  void mlx4_cleanup_xrcd_table(struct mlx4_dev *dev);
974  void mlx4_cleanup_uar_table(struct mlx4_dev *dev);
975  void mlx4_cleanup_mr_table(struct mlx4_dev *dev);
976  void mlx4_cleanup_eq_table(struct mlx4_dev *dev);
977  void mlx4_cleanup_cq_table(struct mlx4_dev *dev);
978  void mlx4_cleanup_qp_table(struct mlx4_dev *dev);
979  void mlx4_cleanup_srq_table(struct mlx4_dev *dev);
980  void mlx4_cleanup_mcg_table(struct mlx4_dev *dev);
981  int __mlx4_qp_alloc_icm(struct mlx4_dev *dev, int qpn);
982  void __mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn);
983  int __mlx4_cq_alloc_icm(struct mlx4_dev *dev, int *cqn);
984  void __mlx4_cq_free_icm(struct mlx4_dev *dev, int cqn);
985  int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn);
986  void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn);
987  int __mlx4_mpt_reserve(struct mlx4_dev *dev);
988  void __mlx4_mpt_release(struct mlx4_dev *dev, u32 index);
989  int __mlx4_mpt_alloc_icm(struct mlx4_dev *dev, u32 index);
990  void __mlx4_mpt_free_icm(struct mlx4_dev *dev, u32 index);
991  u32 __mlx4_alloc_mtt_range(struct mlx4_dev *dev, int order);
992  void __mlx4_free_mtt_range(struct mlx4_dev *dev, u32 first_seg, int order);
993  
994  int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave,
995  			   struct mlx4_vhcr *vhcr,
996  			   struct mlx4_cmd_mailbox *inbox,
997  			   struct mlx4_cmd_mailbox *outbox,
998  			   struct mlx4_cmd_info *cmd);
999  int mlx4_SYNC_TPT_wrapper(struct mlx4_dev *dev, int slave,
1000  			   struct mlx4_vhcr *vhcr,
1001  			   struct mlx4_cmd_mailbox *inbox,
1002  			   struct mlx4_cmd_mailbox *outbox,
1003  			   struct mlx4_cmd_info *cmd);
1004  int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave,
1005  			   struct mlx4_vhcr *vhcr,
1006  			   struct mlx4_cmd_mailbox *inbox,
1007  			   struct mlx4_cmd_mailbox *outbox,
1008  			   struct mlx4_cmd_info *cmd);
1009  int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave,
1010  			   struct mlx4_vhcr *vhcr,
1011  			   struct mlx4_cmd_mailbox *inbox,
1012  			   struct mlx4_cmd_mailbox *outbox,
1013  			   struct mlx4_cmd_info *cmd);
1014  int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave,
1015  			   struct mlx4_vhcr *vhcr,
1016  			   struct mlx4_cmd_mailbox *inbox,
1017  			   struct mlx4_cmd_mailbox *outbox,
1018  			   struct mlx4_cmd_info *cmd);
1019  int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1020  			  struct mlx4_vhcr *vhcr,
1021  			  struct mlx4_cmd_mailbox *inbox,
1022  			  struct mlx4_cmd_mailbox *outbox,
1023  			  struct mlx4_cmd_info *cmd);
1024  int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave,
1025  			    struct mlx4_vhcr *vhcr,
1026  			    struct mlx4_cmd_mailbox *inbox,
1027  			    struct mlx4_cmd_mailbox *outbox,
1028  			    struct mlx4_cmd_info *cmd);
1029  int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
1030  		     struct mlx4_vhcr *vhcr,
1031  		     struct mlx4_cmd_mailbox *inbox,
1032  		     struct mlx4_cmd_mailbox *outbox,
1033  		     struct mlx4_cmd_info *cmd);
1034  int __mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align,
1035  			    int *base, u8 flags);
1036  void __mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt);
1037  int __mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1038  void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac);
1039  int __mlx4_write_mtt(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
1040  		     int start_index, int npages, u64 *page_list);
1041  int __mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx);
1042  void __mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
1043  int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port,
1044  			  struct mlx4_counter *data);
1045  int __mlx4_xrcd_alloc(struct mlx4_dev *dev, u32 *xrcdn);
1046  void __mlx4_xrcd_free(struct mlx4_dev *dev, u32 xrcdn);
1047  
1048  void mlx4_start_catas_poll(struct mlx4_dev *dev);
1049  void mlx4_stop_catas_poll(struct mlx4_dev *dev);
1050  int mlx4_catas_init(struct mlx4_dev *dev);
1051  void mlx4_catas_end(struct mlx4_dev *dev);
1052  int mlx4_crdump_init(struct mlx4_dev *dev);
1053  void mlx4_crdump_end(struct mlx4_dev *dev);
1054  int mlx4_restart_one(struct pci_dev *pdev);
1055  
1056  int mlx4_adev_init(struct mlx4_dev *dev);
1057  void mlx4_adev_cleanup(struct mlx4_dev *dev);
1058  int mlx4_register_device(struct mlx4_dev *dev);
1059  void mlx4_unregister_device(struct mlx4_dev *dev);
1060  void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type,
1061  			 void *param);
1062  
1063  struct mlx4_dev_cap;
1064  struct mlx4_init_hca_param;
1065  
1066  u64 mlx4_make_profile(struct mlx4_dev *dev,
1067  		      struct mlx4_profile *request,
1068  		      struct mlx4_dev_cap *dev_cap,
1069  		      struct mlx4_init_hca_param *init_hca);
1070  void mlx4_master_comm_channel(struct work_struct *work);
1071  void mlx4_gen_slave_eqe(struct work_struct *work);
1072  void mlx4_master_handle_slave_flr(struct work_struct *work);
1073  
1074  int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave,
1075  			   struct mlx4_vhcr *vhcr,
1076  			   struct mlx4_cmd_mailbox *inbox,
1077  			   struct mlx4_cmd_mailbox *outbox,
1078  			   struct mlx4_cmd_info *cmd);
1079  int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave,
1080  			  struct mlx4_vhcr *vhcr,
1081  			  struct mlx4_cmd_mailbox *inbox,
1082  			  struct mlx4_cmd_mailbox *outbox,
1083  			  struct mlx4_cmd_info *cmd);
1084  int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave,
1085  			struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox,
1086  			struct mlx4_cmd_mailbox *outbox,
1087  			struct mlx4_cmd_info *cmd);
1088  int mlx4_COMM_INT_wrapper(struct mlx4_dev *dev, int slave,
1089  			  struct mlx4_vhcr *vhcr,
1090  			  struct mlx4_cmd_mailbox *inbox,
1091  			  struct mlx4_cmd_mailbox *outbox,
1092  			  struct mlx4_cmd_info *cmd);
1093  int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave,
1094  			    struct mlx4_vhcr *vhcr,
1095  			    struct mlx4_cmd_mailbox *inbox,
1096  			    struct mlx4_cmd_mailbox *outbox,
1097  			  struct mlx4_cmd_info *cmd);
1098  int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave,
1099  			  struct mlx4_vhcr *vhcr,
1100  			  struct mlx4_cmd_mailbox *inbox,
1101  			  struct mlx4_cmd_mailbox *outbox,
1102  			  struct mlx4_cmd_info *cmd);
1103  int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1104  			  struct mlx4_vhcr *vhcr,
1105  			  struct mlx4_cmd_mailbox *inbox,
1106  			  struct mlx4_cmd_mailbox *outbox,
1107  			  struct mlx4_cmd_info *cmd);
1108  int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave,
1109  			  struct mlx4_vhcr *vhcr,
1110  			  struct mlx4_cmd_mailbox *inbox,
1111  			  struct mlx4_cmd_mailbox *outbox,
1112  			  struct mlx4_cmd_info *cmd);
1113  int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1114  			  struct mlx4_vhcr *vhcr,
1115  			  struct mlx4_cmd_mailbox *inbox,
1116  			  struct mlx4_cmd_mailbox *outbox,
1117  			  struct mlx4_cmd_info *cmd);
1118  int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave,
1119  			  struct mlx4_vhcr *vhcr,
1120  			  struct mlx4_cmd_mailbox *inbox,
1121  			  struct mlx4_cmd_mailbox *outbox,
1122  			   struct mlx4_cmd_info *cmd);
1123  int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1124  			   struct mlx4_vhcr *vhcr,
1125  			   struct mlx4_cmd_mailbox *inbox,
1126  			   struct mlx4_cmd_mailbox *outbox,
1127  			   struct mlx4_cmd_info *cmd);
1128  int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1129  			   struct mlx4_vhcr *vhcr,
1130  			   struct mlx4_cmd_mailbox *inbox,
1131  			   struct mlx4_cmd_mailbox *outbox,
1132  			   struct mlx4_cmd_info *cmd);
1133  int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1134  			   struct mlx4_vhcr *vhcr,
1135  			   struct mlx4_cmd_mailbox *inbox,
1136  			   struct mlx4_cmd_mailbox *outbox,
1137  			   struct mlx4_cmd_info *cmd);
1138  int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave,
1139  			 struct mlx4_vhcr *vhcr,
1140  			 struct mlx4_cmd_mailbox *inbox,
1141  			 struct mlx4_cmd_mailbox *outbox,
1142  			 struct mlx4_cmd_info *cmd);
1143  int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave,
1144  			struct mlx4_vhcr *vhcr,
1145  			struct mlx4_cmd_mailbox *inbox,
1146  			struct mlx4_cmd_mailbox *outbox,
1147  			struct mlx4_cmd_info *cmd);
1148  int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1149  			     struct mlx4_vhcr *vhcr,
1150  			     struct mlx4_cmd_mailbox *inbox,
1151  			     struct mlx4_cmd_mailbox *outbox,
1152  			     struct mlx4_cmd_info *cmd);
1153  int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
1154  			      struct mlx4_vhcr *vhcr,
1155  			      struct mlx4_cmd_mailbox *inbox,
1156  			      struct mlx4_cmd_mailbox *outbox,
1157  			      struct mlx4_cmd_info *cmd);
1158  int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
1159  			     struct mlx4_vhcr *vhcr,
1160  			     struct mlx4_cmd_mailbox *inbox,
1161  			     struct mlx4_cmd_mailbox *outbox,
1162  			     struct mlx4_cmd_info *cmd);
1163  int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1164  			    struct mlx4_vhcr *vhcr,
1165  			    struct mlx4_cmd_mailbox *inbox,
1166  			    struct mlx4_cmd_mailbox *outbox,
1167  			    struct mlx4_cmd_info *cmd);
1168  int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1169  			    struct mlx4_vhcr *vhcr,
1170  			    struct mlx4_cmd_mailbox *inbox,
1171  			    struct mlx4_cmd_mailbox *outbox,
1172  			    struct mlx4_cmd_info *cmd);
1173  int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1174  			      struct mlx4_vhcr *vhcr,
1175  			      struct mlx4_cmd_mailbox *inbox,
1176  			      struct mlx4_cmd_mailbox *outbox,
1177  			      struct mlx4_cmd_info *cmd);
1178  int mlx4_2ERR_QP_wrapper(struct mlx4_dev *dev, int slave,
1179  			 struct mlx4_vhcr *vhcr,
1180  			 struct mlx4_cmd_mailbox *inbox,
1181  			 struct mlx4_cmd_mailbox *outbox,
1182  			 struct mlx4_cmd_info *cmd);
1183  int mlx4_RTS2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1184  			    struct mlx4_vhcr *vhcr,
1185  			    struct mlx4_cmd_mailbox *inbox,
1186  			    struct mlx4_cmd_mailbox *outbox,
1187  			    struct mlx4_cmd_info *cmd);
1188  int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave,
1189  			    struct mlx4_vhcr *vhcr,
1190  			    struct mlx4_cmd_mailbox *inbox,
1191  			    struct mlx4_cmd_mailbox *outbox,
1192  			    struct mlx4_cmd_info *cmd);
1193  int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
1194  			    struct mlx4_vhcr *vhcr,
1195  			    struct mlx4_cmd_mailbox *inbox,
1196  			    struct mlx4_cmd_mailbox *outbox,
1197  			    struct mlx4_cmd_info *cmd);
1198  int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave,
1199  			 struct mlx4_vhcr *vhcr,
1200  			 struct mlx4_cmd_mailbox *inbox,
1201  			 struct mlx4_cmd_mailbox *outbox,
1202  			 struct mlx4_cmd_info *cmd);
1203  int mlx4_QUERY_QP_wrapper(struct mlx4_dev *dev, int slave,
1204  			  struct mlx4_vhcr *vhcr,
1205  			  struct mlx4_cmd_mailbox *inbox,
1206  			  struct mlx4_cmd_mailbox *outbox,
1207  			  struct mlx4_cmd_info *cmd);
1208  
1209  int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe);
1210  
1211  enum {
1212  	MLX4_CMD_CLEANUP_STRUCT = 1UL << 0,
1213  	MLX4_CMD_CLEANUP_POOL	= 1UL << 1,
1214  	MLX4_CMD_CLEANUP_HCR	= 1UL << 2,
1215  	MLX4_CMD_CLEANUP_VHCR	= 1UL << 3,
1216  	MLX4_CMD_CLEANUP_ALL	= (MLX4_CMD_CLEANUP_VHCR << 1) - 1
1217  };
1218  
1219  int mlx4_cmd_init(struct mlx4_dev *dev);
1220  void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask);
1221  int mlx4_multi_func_init(struct mlx4_dev *dev);
1222  int mlx4_ARM_COMM_CHANNEL(struct mlx4_dev *dev);
1223  void mlx4_multi_func_cleanup(struct mlx4_dev *dev);
1224  void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param);
1225  int mlx4_cmd_use_events(struct mlx4_dev *dev);
1226  void mlx4_cmd_use_polling(struct mlx4_dev *dev);
1227  
1228  int mlx4_comm_cmd(struct mlx4_dev *dev, u8 cmd, u16 param,
1229  		  u16 op, unsigned long timeout);
1230  
1231  void mlx4_cq_tasklet_cb(struct tasklet_struct *t);
1232  void mlx4_cq_completion(struct mlx4_dev *dev, u32 cqn);
1233  void mlx4_cq_event(struct mlx4_dev *dev, u32 cqn, int event_type);
1234  
1235  void mlx4_qp_event(struct mlx4_dev *dev, u32 qpn, int event_type);
1236  
1237  void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type);
1238  
1239  void mlx4_enter_error_state(struct mlx4_dev_persistent *persist);
1240  int mlx4_comm_internal_err(u32 slave_read);
1241  
1242  int mlx4_crdump_collect(struct mlx4_dev *dev);
1243  
1244  int mlx4_SENSE_PORT(struct mlx4_dev *dev, int port,
1245  		    enum mlx4_port_type *type);
1246  void mlx4_do_sense_ports(struct mlx4_dev *dev,
1247  			 enum mlx4_port_type *stype,
1248  			 enum mlx4_port_type *defaults);
1249  void mlx4_start_sense(struct mlx4_dev *dev);
1250  void mlx4_stop_sense(struct mlx4_dev *dev);
1251  void mlx4_sense_init(struct mlx4_dev *dev);
1252  int mlx4_check_port_params(struct mlx4_dev *dev,
1253  			   enum mlx4_port_type *port_type);
1254  int mlx4_change_port_types(struct mlx4_dev *dev,
1255  			   enum mlx4_port_type *port_types);
1256  
1257  void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table);
1258  void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
1259  void mlx4_init_roce_gid_table(struct mlx4_dev *dev,
1260  			      struct mlx4_roce_gid_table *table);
1261  void __mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, u16 vlan);
1262  int __mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
1263  int mlx4_bond_vlan_table(struct mlx4_dev *dev);
1264  int mlx4_unbond_vlan_table(struct mlx4_dev *dev);
1265  int mlx4_bond_mac_table(struct mlx4_dev *dev);
1266  int mlx4_unbond_mac_table(struct mlx4_dev *dev);
1267  
1268  int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port, int pkey_tbl_sz);
1269  /* resource tracker functions*/
1270  int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev,
1271  				    enum mlx4_resource resource_type,
1272  				    u64 resource_id, int *slave);
1273  void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave_id);
1274  void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave);
1275  int mlx4_init_resource_tracker(struct mlx4_dev *dev);
1276  
1277  void mlx4_free_resource_tracker(struct mlx4_dev *dev,
1278  				enum mlx4_res_tracker_free_type type);
1279  
1280  int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave,
1281  			  struct mlx4_vhcr *vhcr,
1282  			  struct mlx4_cmd_mailbox *inbox,
1283  			  struct mlx4_cmd_mailbox *outbox,
1284  			  struct mlx4_cmd_info *cmd);
1285  int mlx4_SET_PORT_wrapper(struct mlx4_dev *dev, int slave,
1286  			  struct mlx4_vhcr *vhcr,
1287  			  struct mlx4_cmd_mailbox *inbox,
1288  			  struct mlx4_cmd_mailbox *outbox,
1289  			  struct mlx4_cmd_info *cmd);
1290  int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave,
1291  			   struct mlx4_vhcr *vhcr,
1292  			   struct mlx4_cmd_mailbox *inbox,
1293  			   struct mlx4_cmd_mailbox *outbox,
1294  			   struct mlx4_cmd_info *cmd);
1295  int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave,
1296  			    struct mlx4_vhcr *vhcr,
1297  			    struct mlx4_cmd_mailbox *inbox,
1298  			    struct mlx4_cmd_mailbox *outbox,
1299  			    struct mlx4_cmd_info *cmd);
1300  int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave,
1301  			       struct mlx4_vhcr *vhcr,
1302  			       struct mlx4_cmd_mailbox *inbox,
1303  			       struct mlx4_cmd_mailbox *outbox,
1304  			       struct mlx4_cmd_info *cmd);
1305  int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave,
1306  			    struct mlx4_vhcr *vhcr,
1307  			    struct mlx4_cmd_mailbox *inbox,
1308  			    struct mlx4_cmd_mailbox *outbox,
1309  			    struct mlx4_cmd_info *cmd);
1310  int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
1311  
1312  int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port,
1313  				    int *gid_tbl_len, int *pkey_tbl_len);
1314  
1315  int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1316  			   struct mlx4_vhcr *vhcr,
1317  			   struct mlx4_cmd_mailbox *inbox,
1318  			   struct mlx4_cmd_mailbox *outbox,
1319  			   struct mlx4_cmd_info *cmd);
1320  
1321  int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
1322  			   struct mlx4_vhcr *vhcr,
1323  			   struct mlx4_cmd_mailbox *inbox,
1324  			   struct mlx4_cmd_mailbox *outbox,
1325  			   struct mlx4_cmd_info *cmd);
1326  
1327  int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
1328  			 struct mlx4_vhcr *vhcr,
1329  			 struct mlx4_cmd_mailbox *inbox,
1330  			 struct mlx4_cmd_mailbox *outbox,
1331  			 struct mlx4_cmd_info *cmd);
1332  int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1333  			  enum mlx4_protocol prot, enum mlx4_steer_type steer);
1334  int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
1335  			  int block_mcast_loopback, enum mlx4_protocol prot,
1336  			  enum mlx4_steer_type steer);
1337  int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
1338  			      u8 gid[16], u8 port,
1339  			      int block_mcast_loopback,
1340  			      enum mlx4_protocol prot, u64 *reg_id);
1341  int mlx4_SET_MCAST_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1342  				struct mlx4_vhcr *vhcr,
1343  				struct mlx4_cmd_mailbox *inbox,
1344  				struct mlx4_cmd_mailbox *outbox,
1345  				struct mlx4_cmd_info *cmd);
1346  int mlx4_SET_VLAN_FLTR_wrapper(struct mlx4_dev *dev, int slave,
1347  			       struct mlx4_vhcr *vhcr,
1348  			       struct mlx4_cmd_mailbox *inbox,
1349  			       struct mlx4_cmd_mailbox *outbox,
1350  			       struct mlx4_cmd_info *cmd);
1351  int mlx4_common_set_vlan_fltr(struct mlx4_dev *dev, int function,
1352  				     int port, void *buf);
1353  int mlx4_DUMP_ETH_STATS_wrapper(struct mlx4_dev *dev, int slave,
1354  				   struct mlx4_vhcr *vhcr,
1355  				   struct mlx4_cmd_mailbox *inbox,
1356  				   struct mlx4_cmd_mailbox *outbox,
1357  				struct mlx4_cmd_info *cmd);
1358  int mlx4_PKEY_TABLE_wrapper(struct mlx4_dev *dev, int slave,
1359  			    struct mlx4_vhcr *vhcr,
1360  			    struct mlx4_cmd_mailbox *inbox,
1361  			    struct mlx4_cmd_mailbox *outbox,
1362  			    struct mlx4_cmd_info *cmd);
1363  int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
1364  			       struct mlx4_vhcr *vhcr,
1365  			       struct mlx4_cmd_mailbox *inbox,
1366  			       struct mlx4_cmd_mailbox *outbox,
1367  			       struct mlx4_cmd_info *cmd);
1368  int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
1369  					 struct mlx4_vhcr *vhcr,
1370  					 struct mlx4_cmd_mailbox *inbox,
1371  					 struct mlx4_cmd_mailbox *outbox,
1372  					 struct mlx4_cmd_info *cmd);
1373  int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
1374  					 struct mlx4_vhcr *vhcr,
1375  					 struct mlx4_cmd_mailbox *inbox,
1376  					 struct mlx4_cmd_mailbox *outbox,
1377  					 struct mlx4_cmd_info *cmd);
1378  int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave,
1379  			    struct mlx4_vhcr *vhcr,
1380  			    struct mlx4_cmd_mailbox *inbox,
1381  			    struct mlx4_cmd_mailbox *outbox,
1382  			    struct mlx4_cmd_info *cmd);
1383  
1384  int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
1385  int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);
1386  
set_param_l(u64 * arg,u32 val)1387  static inline void set_param_l(u64 *arg, u32 val)
1388  {
1389  	*arg = (*arg & 0xffffffff00000000ULL) | (u64) val;
1390  }
1391  
set_param_h(u64 * arg,u32 val)1392  static inline void set_param_h(u64 *arg, u32 val)
1393  {
1394  	*arg = (*arg & 0xffffffff) | ((u64) val << 32);
1395  }
1396  
get_param_l(u64 * arg)1397  static inline u32 get_param_l(u64 *arg)
1398  {
1399  	return (u32) (*arg & 0xffffffff);
1400  }
1401  
get_param_h(u64 * arg)1402  static inline u32 get_param_h(u64 *arg)
1403  {
1404  	return (u32)(*arg >> 32);
1405  }
1406  
mlx4_tlock(struct mlx4_dev * dev)1407  static inline spinlock_t *mlx4_tlock(struct mlx4_dev *dev)
1408  {
1409  	return &mlx4_priv(dev)->mfunc.master.res_tracker.lock;
1410  }
1411  
1412  #define NOT_MASKED_PD_BITS 17
1413  
1414  void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work);
1415  
1416  void mlx4_init_quotas(struct mlx4_dev *dev);
1417  
1418  /* for VFs, replace zero MACs with randomly-generated MACs at driver start */
1419  void mlx4_replace_zero_macs(struct mlx4_dev *dev);
1420  int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port);
1421  /* Returns the VF index of slave */
1422  int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave);
1423  int mlx4_config_mad_demux(struct mlx4_dev *dev);
1424  int mlx4_do_bond(struct mlx4_dev *dev, bool enable);
1425  int mlx4_bond_fs_rules(struct mlx4_dev *dev);
1426  int mlx4_unbond_fs_rules(struct mlx4_dev *dev);
1427  
1428  enum mlx4_zone_flags {
1429  	MLX4_ZONE_ALLOW_ALLOC_FROM_LOWER_PRIO	= 1UL << 0,
1430  	MLX4_ZONE_ALLOW_ALLOC_FROM_EQ_PRIO	= 1UL << 1,
1431  	MLX4_ZONE_FALLBACK_TO_HIGHER_PRIO	= 1UL << 2,
1432  	MLX4_ZONE_USE_RR			= 1UL << 3,
1433  };
1434  
1435  enum mlx4_zone_alloc_flags {
1436  	/* No two objects could overlap between zones. UID
1437  	 * could be left unused. If this flag is given and
1438  	 * two overlapped zones are used, an object will be free'd
1439  	 * from the smallest possible matching zone.
1440  	 */
1441  	MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP	= 1UL << 0,
1442  };
1443  
1444  struct mlx4_zone_allocator;
1445  
1446  /* Create a new zone allocator */
1447  struct mlx4_zone_allocator *mlx4_zone_allocator_create(enum mlx4_zone_alloc_flags flags);
1448  
1449  /* Attach a mlx4_bitmap <bitmap> of priority <priority> to the zone allocator
1450   * <zone_alloc>. Allocating an object from this zone adds an offset <offset>.
1451   * Similarly, when searching for an object to free, this offset it taken into
1452   * account. The use_rr mlx4_ib parameter for allocating objects from this <bitmap>
1453   * is given through the MLX4_ZONE_USE_RR flag in <flags>.
1454   * When an allocation fails, <zone_alloc> tries to allocate from other zones
1455   * according to the policy set by <flags>. <puid> is the unique identifier
1456   * received to this zone.
1457   */
1458  int mlx4_zone_add_one(struct mlx4_zone_allocator *zone_alloc,
1459  		      struct mlx4_bitmap *bitmap,
1460  		      u32 flags,
1461  		      int priority,
1462  		      int offset,
1463  		      u32 *puid);
1464  
1465  /* Remove bitmap indicated by <uid> from <zone_alloc> */
1466  int mlx4_zone_remove_one(struct mlx4_zone_allocator *zone_alloc, u32 uid);
1467  
1468  /* Delete the zone allocator <zone_alloc. This function doesn't destroy
1469   * the attached bitmaps.
1470   */
1471  void mlx4_zone_allocator_destroy(struct mlx4_zone_allocator *zone_alloc);
1472  
1473  /* Allocate <count> objects with align <align> and skip_mask <skip_mask>
1474   * from the mlx4_bitmap whose uid is <uid>. The bitmap which we actually
1475   * allocated from is returned in <puid>. If the allocation fails, a negative
1476   * number is returned. Otherwise, the offset of the first object is returned.
1477   */
1478  u32 mlx4_zone_alloc_entries(struct mlx4_zone_allocator *zones, u32 uid, int count,
1479  			    int align, u32 skip_mask, u32 *puid);
1480  
1481  /* Free <count> objects, start from <obj> of the uid <uid> from zone_allocator
1482   * <zones>.
1483   */
1484  u32 mlx4_zone_free_entries(struct mlx4_zone_allocator *zones,
1485  			   u32 uid, u32 obj, u32 count);
1486  
1487  /* If <zones> was allocated with MLX4_ZONE_ALLOC_FLAGS_NO_OVERLAP, instead of
1488   * specifying the uid when freeing an object, zone allocator could figure it by
1489   * itself. Other parameters are similar to mlx4_zone_free.
1490   */
1491  u32 mlx4_zone_free_entries_unique(struct mlx4_zone_allocator *zones, u32 obj, u32 count);
1492  
1493  /* Returns a pointer to mlx4_bitmap that was attached to <zones> with <uid> */
1494  struct mlx4_bitmap *mlx4_zone_get_bitmap(struct mlx4_zone_allocator *zones, u32 uid);
1495  
1496  #endif /* MLX4_H */
1497