summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/qlogic/qed/qed.h
blob: 1292c360390cd79d532ca155158858bd630648d5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
/* QLogic qed NIC Driver
 * Copyright (c) 2015 QLogic Corporation
 *
 * This software is available under the terms of the GNU General Public License
 * (GPL) Version 2, available from the file COPYING in the main directory of
 * this source tree.
 */

#ifndef _QED_H
#define _QED_H

#include <linux/types.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/workqueue.h>
#include <linux/zlib.h>
#include <linux/hashtable.h>
#include <linux/qed/qed_if.h>
#include "qed_hsi.h"

extern const struct qed_common_ops qed_common_ops_pass;
#define DRV_MODULE_VERSION "8.4.0.0"

#define MAX_HWFNS_PER_DEVICE    (4)
#define NAME_SIZE 16
#define VER_SIZE 16

/* cau states */
enum qed_coalescing_mode {
	QED_COAL_MODE_DISABLE,
	QED_COAL_MODE_ENABLE
};

struct qed_eth_cb_ops;
struct qed_dev_info;

/* helpers */
static inline u32 qed_db_addr(u32 cid, u32 DEMS)
{
	u32 db_addr = FIELD_VALUE(DB_LEGACY_ADDR_DEMS, DEMS) |
		      FIELD_VALUE(DB_LEGACY_ADDR_ICID, cid);

	return db_addr;
}

#define ALIGNED_TYPE_SIZE(type_name, p_hwfn)				     \
	((sizeof(type_name) + (u32)(1 << (p_hwfn->cdev->cache_shift)) - 1) & \
	 ~((1 << (p_hwfn->cdev->cache_shift)) - 1))

#define for_each_hwfn(cdev, i)  for (i = 0; i < cdev->num_hwfns; i++)

#define D_TRINE(val, cond1, cond2, true1, true2, def) \
	(val == (cond1) ? true1 :		      \
	 (val == (cond2) ? true2 : def))

/* forward */
struct qed_ptt_pool;
struct qed_spq;
struct qed_sb_info;
struct qed_sb_attn_info;
struct qed_cxt_mngr;
struct qed_sb_sp_info;
struct qed_mcp_info;

struct qed_rt_data {
	u32 init_val;
	bool b_valid;
};

/* The PCI personality is not quite synonymous to protocol ID:
 * 1. All personalities need CORE connections
 * 2. The Ethernet personality may support also the RoCE protocol
 */
enum qed_pci_personality {
	QED_PCI_ETH,
	QED_PCI_DEFAULT /* default in shmem */
};

/* All VFs are symmetric, all counters are PF + all VFs */
struct qed_qm_iids {
	u32 cids;
	u32 vf_cids;
	u32 tids;
};

enum QED_RESOURCES {
	QED_SB,
	QED_L2_QUEUE,
	QED_VPORT,
	QED_RSS_ENG,
	QED_PQ,
	QED_RL,
	QED_MAC,
	QED_VLAN,
	QED_ILT,
	QED_MAX_RESC,
};

enum QED_FEATURE {
	QED_PF_L2_QUE,
	QED_MAX_FEATURES,
};

enum QED_PORT_MODE {
	QED_PORT_MODE_DE_2X40G,
	QED_PORT_MODE_DE_2X50G,
	QED_PORT_MODE_DE_1X100G,
	QED_PORT_MODE_DE_4X10G_F,
	QED_PORT_MODE_DE_4X10G_E,
	QED_PORT_MODE_DE_4X20G,
	QED_PORT_MODE_DE_1X40G,
	QED_PORT_MODE_DE_2X25G,
	QED_PORT_MODE_DE_1X25G
};

struct qed_hw_info {
	/* PCI personality */
	enum qed_pci_personality	personality;

	/* Resource Allocation scheme results */
	u32				resc_start[QED_MAX_RESC];
	u32				resc_num[QED_MAX_RESC];
	u32				feat_num[QED_MAX_FEATURES];

#define RESC_START(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_start[resc])
#define RESC_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.resc_num[resc])
#define FEAT_NUM(_p_hwfn, resc) ((_p_hwfn)->hw_info.feat_num[resc])

	u8				num_tc;
	u8				offload_tc;
	u8				non_offload_tc;

	u32				concrete_fid;
	u16				opaque_fid;
	u16				ovlan;
	u32				part_num[4];

	u32				vendor_id;
	u32				device_id;

	unsigned char			hw_mac_addr[ETH_ALEN];

	struct qed_igu_info		*p_igu_info;

	u32				port_mode;
	u32				hw_mode;
};

struct qed_hw_cid_data {
	u32	cid;
	bool	b_cid_allocated;

	/* Additional identifiers */
	u16	opaque_fid;
	u8	vport_id;
};

/* maximun size of read/write commands (HW limit) */
#define DMAE_MAX_RW_SIZE        0x2000

struct qed_dmae_info {
	/* Mutex for synchronizing access to functions */
	struct mutex	mutex;

	u8		channel;

	dma_addr_t	completion_word_phys_addr;

	/* The memory location where the DMAE writes the completion
	 * value when an operation is finished on this context.
	 */
	u32		*p_completion_word;

	dma_addr_t	intermediate_buffer_phys_addr;

	/* An intermediate buffer for DMAE operations that use virtual
	 * addresses - data is DMA'd to/from this buffer and then
	 * memcpy'd to/from the virtual address
	 */
	u32		*p_intermediate_buffer;

	dma_addr_t	dmae_cmd_phys_addr;
	struct dmae_cmd *p_dmae_cmd;
};

struct qed_qm_info {
	struct init_qm_pq_params	*qm_pq_params;
	struct init_qm_vport_params	*qm_vport_params;
	struct init_qm_port_params	*qm_port_params;
	u16				start_pq;
	u8				start_vport;
	u8				pure_lb_pq;
	u8				offload_pq;
	u8				pure_ack_pq;
	u8				vf_queues_offset;
	u16				num_pqs;
	u16				num_vf_pqs;
	u8				num_vports;
	u8				max_phys_tcs_per_port;
	bool				pf_rl_en;
	bool				pf_wfq_en;
	bool				vport_rl_en;
	bool				vport_wfq_en;
	u8				pf_wfq;
	u32				pf_rl;
};

struct storm_stats {
	u32     address;
	u32     len;
};

struct qed_storm_stats {
	struct storm_stats mstats;
	struct storm_stats pstats;
	struct storm_stats tstats;
	struct storm_stats ustats;
};

struct qed_fw_data {
	struct fw_ver_info	*fw_ver_info;
	const u8		*modes_tree_buf;
	union init_op		*init_ops;
	const u32		*arr_data;
	u32			init_ops_size;
};

struct qed_simd_fp_handler {
	void	*token;
	void	(*func)(void *);
};

struct qed_hwfn {
	struct qed_dev			*cdev;
	u8				my_id;          /* ID inside the PF */
#define IS_LEAD_HWFN(edev)              (!((edev)->my_id))
	u8				rel_pf_id;      /* Relative to engine*/
	u8				abs_pf_id;
#define QED_PATH_ID(_p_hwfn)		((_p_hwfn)->abs_pf_id & 1)
	u8				port_id;
	bool				b_active;

	u32				dp_module;
	u8				dp_level;
	char				name[NAME_SIZE];

	bool				first_on_engine;
	bool				hw_init_done;

	/* BAR access */
	void __iomem			*regview;
	void __iomem			*doorbells;
	u64				db_phys_addr;
	unsigned long			db_size;

	/* PTT pool */
	struct qed_ptt_pool		*p_ptt_pool;

	/* HW info */
	struct qed_hw_info		hw_info;

	/* rt_array (for init-tool) */
	struct qed_rt_data		*rt_data;

	/* SPQ */
	struct qed_spq			*p_spq;

	/* EQ */
	struct qed_eq			*p_eq;

	/* Consolidate Q*/
	struct qed_consq		*p_consq;

	/* Slow-Path definitions */
	struct tasklet_struct		*sp_dpc;
	bool				b_sp_dpc_enabled;

	struct qed_ptt			*p_main_ptt;
	struct qed_ptt			*p_dpc_ptt;

	struct qed_sb_sp_info		*p_sp_sb;
	struct qed_sb_attn_info		*p_sb_attn;

	/* Protocol related */
	struct qed_pf_params		pf_params;

	/* Array of sb_info of all status blocks */
	struct qed_sb_info		*sbs_info[MAX_SB_PER_PF_MIMD];
	u16				num_sbs;

	struct qed_cxt_mngr		*p_cxt_mngr;

	/* Flag indicating whether interrupts are enabled or not*/
	bool				b_int_enabled;
	bool				b_int_requested;

	struct qed_mcp_info		*mcp_info;

	struct qed_hw_cid_data		*p_tx_cids;
	struct qed_hw_cid_data		*p_rx_cids;

	struct qed_dmae_info		dmae_info;

	/* QM init */
	struct qed_qm_info		qm_info;
	struct qed_storm_stats		storm_stats;

	/* Buffer for unzipping firmware data */
	void				*unzip_buf;

	struct qed_simd_fp_handler	simd_proto_handler[64];

	struct z_stream_s		*stream;
};

struct pci_params {
	int		pm_cap;

	unsigned long	mem_start;
	unsigned long	mem_end;
	unsigned int	irq;
	u8		pf_num;
};

struct qed_int_param {
	u32	int_mode;
	u8	num_vectors;
	u8	min_msix_cnt; /* for minimal functionality */
};

struct qed_int_params {
	struct qed_int_param	in;
	struct qed_int_param	out;
	struct msix_entry	*msix_table;
	bool			fp_initialized;
	u8			fp_msix_base;
	u8			fp_msix_cnt;
};

struct qed_dev {
	u32	dp_module;
	u8	dp_level;
	char	name[NAME_SIZE];

	u8	type;
#define QED_DEV_TYPE_BB_A0      (0 << 0)
#define QED_DEV_TYPE_MASK       (0x3)
#define QED_DEV_TYPE_SHIFT      (0)

	u16	chip_num;
#define CHIP_NUM_MASK                   0xffff
#define CHIP_NUM_SHIFT                  16

	u16	chip_rev;
#define CHIP_REV_MASK                   0xf
#define CHIP_REV_SHIFT                  12

	u16				chip_metal;
#define CHIP_METAL_MASK                 0xff
#define CHIP_METAL_SHIFT                4

	u16				chip_bond_id;
#define CHIP_BOND_ID_MASK               0xf
#define CHIP_BOND_ID_SHIFT              0

	u8				num_engines;
	u8				num_ports_in_engines;
	u8				num_funcs_in_port;

	u8				path_id;
	enum mf_mode			mf_mode;
#define IS_MF(_p_hwfn)          (((_p_hwfn)->cdev)->mf_mode != SF)
#define IS_MF_SI(_p_hwfn)       (((_p_hwfn)->cdev)->mf_mode == MF_NPAR)
#define IS_MF_SD(_p_hwfn)       (((_p_hwfn)->cdev)->mf_mode == MF_OVLAN)

	int				pcie_width;
	int				pcie_speed;
	u8				ver_str[VER_SIZE];

	/* Add MF related configuration */
	u8				mcp_rev;
	u8				boot_mode;

	u8				wol;

	u32				int_mode;
	enum qed_coalescing_mode	int_coalescing_mode;
	u8				rx_coalesce_usecs;
	u8				tx_coalesce_usecs;

	/* Start Bar offset of first hwfn */
	void __iomem			*regview;
	void __iomem			*doorbells;
	u64				db_phys_addr;
	unsigned long			db_size;

	/* PCI */
	u8				cache_shift;

	/* Init */
	const struct iro		*iro_arr;
#define IRO (p_hwfn->cdev->iro_arr)

	/* HW functions */
	u8				num_hwfns;
	struct qed_hwfn			hwfns[MAX_HWFNS_PER_DEVICE];

	u32				drv_type;

	struct qed_eth_stats		*reset_stats;
	struct qed_fw_data		*fw_data;

	u32				mcp_nvm_resp;

	/* Linux specific here */
	struct  qede_dev		*edev;
	struct  pci_dev			*pdev;
	int				msg_enable;

	struct pci_params		pci_params;

	struct qed_int_params		int_params;

	u8				protocol;
#define IS_QED_ETH_IF(cdev)     ((cdev)->protocol == QED_PROTOCOL_ETH)

	/* Callbacks to protocol driver */
	union {
		struct qed_common_cb_ops	*common;
		struct qed_eth_cb_ops		*eth;
	} protocol_ops;
	void				*ops_cookie;

	const struct firmware		*firmware;
};

#define QED_GET_TYPE(dev)       (((dev)->type & QED_DEV_TYPE_MASK) >> \
				 QED_DEV_TYPE_SHIFT)
#define QED_IS_BB_A0(dev)       (QED_GET_TYPE(dev) == QED_DEV_TYPE_BB_A0)
#define QED_IS_BB(dev)  (QED_IS_BB_A0(dev))

#define NUM_OF_SBS(dev)         MAX_SB_PER_PATH_BB
#define NUM_OF_ENG_PFS(dev)     MAX_NUM_PFS_BB

/**
 * @brief qed_concrete_to_sw_fid - get the sw function id from
 *        the concrete value.
 *
 * @param concrete_fid
 *
 * @return inline u8
 */
static inline u8 qed_concrete_to_sw_fid(struct qed_dev *cdev,
					u32 concrete_fid)
{
	u8 pfid = GET_FIELD(concrete_fid, PXP_CONCRETE_FID_PFID);

	return pfid;
}

#define PURE_LB_TC 8

#define QED_LEADING_HWFN(dev)   (&dev->hwfns[0])

/* Other Linux specific common definitions */
#define DP_NAME(cdev) ((cdev)->name)

#define REG_ADDR(cdev, offset)          (void __iomem *)((u8 __iomem *)\
						(cdev->regview) + \
							 (offset))

#define REG_RD(cdev, offset)            readl(REG_ADDR(cdev, offset))
#define REG_WR(cdev, offset, val)       writel((u32)val, REG_ADDR(cdev, offset))
#define REG_WR16(cdev, offset, val)     writew((u16)val, REG_ADDR(cdev, offset))

#define DOORBELL(cdev, db_addr, val)			 \
	writel((u32)val, (void __iomem *)((u8 __iomem *)\
					  (cdev->doorbells) + (db_addr)))

/* Prototypes */
int qed_fill_dev_info(struct qed_dev *cdev,
		      struct qed_dev_info *dev_info);
void qed_link_update(struct qed_hwfn *hwfn);
u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
		   u32 input_len, u8 *input_buf,
		   u32 max_size, u8 *unzip_buf);

int qed_slowpath_irq_req(struct qed_hwfn *hwfn);

#define QED_ETH_INTERFACE_VERSION       300

#endif /* _QED_H */