xref: /linux/include/linux/qed/qed_if.h (revision e3b9f1e81de2083f359bacd2a94bf1c024f2ede0)
1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #ifndef _QED_IF_H
34 #define _QED_IF_H
35 
36 #include <linux/types.h>
37 #include <linux/interrupt.h>
38 #include <linux/netdevice.h>
39 #include <linux/pci.h>
40 #include <linux/skbuff.h>
41 #include <linux/types.h>
42 #include <asm/byteorder.h>
43 #include <linux/io.h>
44 #include <linux/compiler.h>
45 #include <linux/kernel.h>
46 #include <linux/list.h>
47 #include <linux/slab.h>
48 #include <linux/qed/common_hsi.h>
49 #include <linux/qed/qed_chain.h>
50 
51 enum dcbx_protocol_type {
52 	DCBX_PROTOCOL_ISCSI,
53 	DCBX_PROTOCOL_FCOE,
54 	DCBX_PROTOCOL_ROCE,
55 	DCBX_PROTOCOL_ROCE_V2,
56 	DCBX_PROTOCOL_ETH,
57 	DCBX_MAX_PROTOCOL_TYPE
58 };
59 
60 #define QED_ROCE_PROTOCOL_INDEX (3)
61 
62 #define QED_LLDP_CHASSIS_ID_STAT_LEN 4
63 #define QED_LLDP_PORT_ID_STAT_LEN 4
64 #define QED_DCBX_MAX_APP_PROTOCOL 32
65 #define QED_MAX_PFC_PRIORITIES 8
66 #define QED_DCBX_DSCP_SIZE 64
67 
68 struct qed_dcbx_lldp_remote {
69 	u32 peer_chassis_id[QED_LLDP_CHASSIS_ID_STAT_LEN];
70 	u32 peer_port_id[QED_LLDP_PORT_ID_STAT_LEN];
71 	bool enable_rx;
72 	bool enable_tx;
73 	u32 tx_interval;
74 	u32 max_credit;
75 };
76 
77 struct qed_dcbx_lldp_local {
78 	u32 local_chassis_id[QED_LLDP_CHASSIS_ID_STAT_LEN];
79 	u32 local_port_id[QED_LLDP_PORT_ID_STAT_LEN];
80 };
81 
82 struct qed_dcbx_app_prio {
83 	u8 roce;
84 	u8 roce_v2;
85 	u8 fcoe;
86 	u8 iscsi;
87 	u8 eth;
88 };
89 
90 struct qed_dbcx_pfc_params {
91 	bool willing;
92 	bool enabled;
93 	u8 prio[QED_MAX_PFC_PRIORITIES];
94 	u8 max_tc;
95 };
96 
97 enum qed_dcbx_sf_ieee_type {
98 	QED_DCBX_SF_IEEE_ETHTYPE,
99 	QED_DCBX_SF_IEEE_TCP_PORT,
100 	QED_DCBX_SF_IEEE_UDP_PORT,
101 	QED_DCBX_SF_IEEE_TCP_UDP_PORT
102 };
103 
104 struct qed_app_entry {
105 	bool ethtype;
106 	enum qed_dcbx_sf_ieee_type sf_ieee;
107 	bool enabled;
108 	u8 prio;
109 	u16 proto_id;
110 	enum dcbx_protocol_type proto_type;
111 };
112 
113 struct qed_dcbx_params {
114 	struct qed_app_entry app_entry[QED_DCBX_MAX_APP_PROTOCOL];
115 	u16 num_app_entries;
116 	bool app_willing;
117 	bool app_valid;
118 	bool app_error;
119 	bool ets_willing;
120 	bool ets_enabled;
121 	bool ets_cbs;
122 	bool valid;
123 	u8 ets_pri_tc_tbl[QED_MAX_PFC_PRIORITIES];
124 	u8 ets_tc_bw_tbl[QED_MAX_PFC_PRIORITIES];
125 	u8 ets_tc_tsa_tbl[QED_MAX_PFC_PRIORITIES];
126 	struct qed_dbcx_pfc_params pfc;
127 	u8 max_ets_tc;
128 };
129 
130 struct qed_dcbx_admin_params {
131 	struct qed_dcbx_params params;
132 	bool valid;
133 };
134 
135 struct qed_dcbx_remote_params {
136 	struct qed_dcbx_params params;
137 	bool valid;
138 };
139 
140 struct qed_dcbx_operational_params {
141 	struct qed_dcbx_app_prio app_prio;
142 	struct qed_dcbx_params params;
143 	bool valid;
144 	bool enabled;
145 	bool ieee;
146 	bool cee;
147 	bool local;
148 	u32 err;
149 };
150 
151 struct qed_dcbx_get {
152 	struct qed_dcbx_operational_params operational;
153 	struct qed_dcbx_lldp_remote lldp_remote;
154 	struct qed_dcbx_lldp_local lldp_local;
155 	struct qed_dcbx_remote_params remote;
156 	struct qed_dcbx_admin_params local;
157 };
158 
159 enum qed_nvm_images {
160 	QED_NVM_IMAGE_ISCSI_CFG,
161 	QED_NVM_IMAGE_FCOE_CFG,
162 };
163 
164 struct qed_link_eee_params {
165 	u32 tx_lpi_timer;
166 #define QED_EEE_1G_ADV		BIT(0)
167 #define QED_EEE_10G_ADV		BIT(1)
168 
169 	/* Capabilities are represented using QED_EEE_*_ADV values */
170 	u8 adv_caps;
171 	u8 lp_adv_caps;
172 	bool enable;
173 	bool tx_lpi_enable;
174 };
175 
176 enum qed_led_mode {
177 	QED_LED_MODE_OFF,
178 	QED_LED_MODE_ON,
179 	QED_LED_MODE_RESTORE
180 };
181 
182 #define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \
183 					    (void __iomem *)(reg_addr))
184 
185 #define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr))
186 
187 #define QED_COALESCE_MAX 0x1FF
188 #define QED_DEFAULT_RX_USECS 12
189 #define QED_DEFAULT_TX_USECS 48
190 
191 /* forward */
192 struct qed_dev;
193 
194 struct qed_eth_pf_params {
195 	/* The following parameters are used during HW-init
196 	 * and these parameters need to be passed as arguments
197 	 * to update_pf_params routine invoked before slowpath start
198 	 */
199 	u16 num_cons;
200 
201 	/* per-VF number of CIDs */
202 	u8 num_vf_cons;
203 #define ETH_PF_PARAMS_VF_CONS_DEFAULT	(32)
204 
205 	/* To enable arfs, previous to HW-init a positive number needs to be
206 	 * set [as filters require allocated searcher ILT memory].
207 	 * This will set the maximal number of configured steering-filters.
208 	 */
209 	u32 num_arfs_filters;
210 };
211 
212 struct qed_fcoe_pf_params {
213 	/* The following parameters are used during protocol-init */
214 	u64 glbl_q_params_addr;
215 	u64 bdq_pbl_base_addr[2];
216 
217 	/* The following parameters are used during HW-init
218 	 * and these parameters need to be passed as arguments
219 	 * to update_pf_params routine invoked before slowpath start
220 	 */
221 	u16 num_cons;
222 	u16 num_tasks;
223 
224 	/* The following parameters are used during protocol-init */
225 	u16 sq_num_pbl_pages;
226 
227 	u16 cq_num_entries;
228 	u16 cmdq_num_entries;
229 	u16 rq_buffer_log_size;
230 	u16 mtu;
231 	u16 dummy_icid;
232 	u16 bdq_xoff_threshold[2];
233 	u16 bdq_xon_threshold[2];
234 	u16 rq_buffer_size;
235 	u8 num_cqs;		/* num of global CQs */
236 	u8 log_page_size;
237 	u8 gl_rq_pi;
238 	u8 gl_cmd_pi;
239 	u8 debug_mode;
240 	u8 is_target;
241 	u8 bdq_pbl_num_entries[2];
242 };
243 
244 /* Most of the the parameters below are described in the FW iSCSI / TCP HSI */
245 struct qed_iscsi_pf_params {
246 	u64 glbl_q_params_addr;
247 	u64 bdq_pbl_base_addr[3];
248 	u16 cq_num_entries;
249 	u16 cmdq_num_entries;
250 	u32 two_msl_timer;
251 	u16 tx_sws_timer;
252 
253 	/* The following parameters are used during HW-init
254 	 * and these parameters need to be passed as arguments
255 	 * to update_pf_params routine invoked before slowpath start
256 	 */
257 	u16 num_cons;
258 	u16 num_tasks;
259 
260 	/* The following parameters are used during protocol-init */
261 	u16 half_way_close_timeout;
262 	u16 bdq_xoff_threshold[3];
263 	u16 bdq_xon_threshold[3];
264 	u16 cmdq_xoff_threshold;
265 	u16 cmdq_xon_threshold;
266 	u16 rq_buffer_size;
267 
268 	u8 num_sq_pages_in_ring;
269 	u8 num_r2tq_pages_in_ring;
270 	u8 num_uhq_pages_in_ring;
271 	u8 num_queues;
272 	u8 log_page_size;
273 	u8 rqe_log_size;
274 	u8 max_fin_rt;
275 	u8 gl_rq_pi;
276 	u8 gl_cmd_pi;
277 	u8 debug_mode;
278 	u8 ll2_ooo_queue_id;
279 
280 	u8 is_target;
281 	u8 is_soc_en;
282 	u8 soc_num_of_blocks_log;
283 	u8 bdq_pbl_num_entries[3];
284 };
285 
286 struct qed_rdma_pf_params {
287 	/* Supplied to QED during resource allocation (may affect the ILT and
288 	 * the doorbell BAR).
289 	 */
290 	u32 min_dpis;		/* number of requested DPIs */
291 	u32 num_qps;		/* number of requested Queue Pairs */
292 	u32 num_srqs;		/* number of requested SRQ */
293 	u8 roce_edpm_mode;	/* see QED_ROCE_EDPM_MODE_ENABLE */
294 	u8 gl_pi;		/* protocol index */
295 
296 	/* Will allocate rate limiters to be used with QPs */
297 	u8 enable_dcqcn;
298 };
299 
300 struct qed_pf_params {
301 	struct qed_eth_pf_params eth_pf_params;
302 	struct qed_fcoe_pf_params fcoe_pf_params;
303 	struct qed_iscsi_pf_params iscsi_pf_params;
304 	struct qed_rdma_pf_params rdma_pf_params;
305 };
306 
307 enum qed_int_mode {
308 	QED_INT_MODE_INTA,
309 	QED_INT_MODE_MSIX,
310 	QED_INT_MODE_MSI,
311 	QED_INT_MODE_POLL,
312 };
313 
314 struct qed_sb_info {
315 	struct status_block_e4 *sb_virt;
316 	dma_addr_t sb_phys;
317 	u32 sb_ack; /* Last given ack */
318 	u16 igu_sb_id;
319 	void __iomem *igu_addr;
320 	u8 flags;
321 #define QED_SB_INFO_INIT	0x1
322 #define QED_SB_INFO_SETUP	0x2
323 
324 	struct qed_dev *cdev;
325 };
326 
327 enum qed_dev_type {
328 	QED_DEV_TYPE_BB,
329 	QED_DEV_TYPE_AH,
330 };
331 
332 struct qed_dev_info {
333 	unsigned long	pci_mem_start;
334 	unsigned long	pci_mem_end;
335 	unsigned int	pci_irq;
336 	u8		num_hwfns;
337 
338 	u8		hw_mac[ETH_ALEN];
339 	bool		is_mf_default;
340 
341 	/* FW version */
342 	u16		fw_major;
343 	u16		fw_minor;
344 	u16		fw_rev;
345 	u16		fw_eng;
346 
347 	/* MFW version */
348 	u32		mfw_rev;
349 #define QED_MFW_VERSION_0_MASK		0x000000FF
350 #define QED_MFW_VERSION_0_OFFSET	0
351 #define QED_MFW_VERSION_1_MASK		0x0000FF00
352 #define QED_MFW_VERSION_1_OFFSET	8
353 #define QED_MFW_VERSION_2_MASK		0x00FF0000
354 #define QED_MFW_VERSION_2_OFFSET	16
355 #define QED_MFW_VERSION_3_MASK		0xFF000000
356 #define QED_MFW_VERSION_3_OFFSET	24
357 
358 	u32		flash_size;
359 	u8		mf_mode;
360 	bool		tx_switching;
361 	bool		rdma_supported;
362 	u16		mtu;
363 
364 	bool wol_support;
365 
366 	/* MBI version */
367 	u32 mbi_version;
368 #define QED_MBI_VERSION_0_MASK		0x000000FF
369 #define QED_MBI_VERSION_0_OFFSET	0
370 #define QED_MBI_VERSION_1_MASK		0x0000FF00
371 #define QED_MBI_VERSION_1_OFFSET	8
372 #define QED_MBI_VERSION_2_MASK		0x00FF0000
373 #define QED_MBI_VERSION_2_OFFSET	16
374 
375 	enum qed_dev_type dev_type;
376 
377 	/* Output parameters for qede */
378 	bool		vxlan_enable;
379 	bool		gre_enable;
380 	bool		geneve_enable;
381 
382 	u8		abs_pf_id;
383 };
384 
385 enum qed_sb_type {
386 	QED_SB_TYPE_L2_QUEUE,
387 	QED_SB_TYPE_CNQ,
388 	QED_SB_TYPE_STORAGE,
389 };
390 
391 enum qed_protocol {
392 	QED_PROTOCOL_ETH,
393 	QED_PROTOCOL_ISCSI,
394 	QED_PROTOCOL_FCOE,
395 };
396 
397 enum qed_link_mode_bits {
398 	QED_LM_FIBRE_BIT = BIT(0),
399 	QED_LM_Autoneg_BIT = BIT(1),
400 	QED_LM_Asym_Pause_BIT = BIT(2),
401 	QED_LM_Pause_BIT = BIT(3),
402 	QED_LM_1000baseT_Half_BIT = BIT(4),
403 	QED_LM_1000baseT_Full_BIT = BIT(5),
404 	QED_LM_10000baseKR_Full_BIT = BIT(6),
405 	QED_LM_25000baseKR_Full_BIT = BIT(7),
406 	QED_LM_40000baseLR4_Full_BIT = BIT(8),
407 	QED_LM_50000baseKR2_Full_BIT = BIT(9),
408 	QED_LM_100000baseKR4_Full_BIT = BIT(10),
409 	QED_LM_COUNT = 11
410 };
411 
412 struct qed_link_params {
413 	bool	link_up;
414 
415 #define QED_LINK_OVERRIDE_SPEED_AUTONEG         BIT(0)
416 #define QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS      BIT(1)
417 #define QED_LINK_OVERRIDE_SPEED_FORCED_SPEED    BIT(2)
418 #define QED_LINK_OVERRIDE_PAUSE_CONFIG          BIT(3)
419 #define QED_LINK_OVERRIDE_LOOPBACK_MODE         BIT(4)
420 #define QED_LINK_OVERRIDE_EEE_CONFIG            BIT(5)
421 	u32	override_flags;
422 	bool	autoneg;
423 	u32	adv_speeds;
424 	u32	forced_speed;
425 #define QED_LINK_PAUSE_AUTONEG_ENABLE           BIT(0)
426 #define QED_LINK_PAUSE_RX_ENABLE                BIT(1)
427 #define QED_LINK_PAUSE_TX_ENABLE                BIT(2)
428 	u32	pause_config;
429 #define QED_LINK_LOOPBACK_NONE                  BIT(0)
430 #define QED_LINK_LOOPBACK_INT_PHY               BIT(1)
431 #define QED_LINK_LOOPBACK_EXT_PHY               BIT(2)
432 #define QED_LINK_LOOPBACK_EXT                   BIT(3)
433 #define QED_LINK_LOOPBACK_MAC                   BIT(4)
434 	u32	loopback_mode;
435 	struct qed_link_eee_params eee;
436 };
437 
438 struct qed_link_output {
439 	bool	link_up;
440 
441 	/* In QED_LM_* defs */
442 	u32	supported_caps;
443 	u32	advertised_caps;
444 	u32	lp_caps;
445 
446 	u32	speed;                  /* In Mb/s */
447 	u8	duplex;                 /* In DUPLEX defs */
448 	u8	port;                   /* In PORT defs */
449 	bool	autoneg;
450 	u32	pause_config;
451 
452 	/* EEE - capability & param */
453 	bool eee_supported;
454 	bool eee_active;
455 	u8 sup_caps;
456 	struct qed_link_eee_params eee;
457 };
458 
459 struct qed_probe_params {
460 	enum qed_protocol protocol;
461 	u32 dp_module;
462 	u8 dp_level;
463 	bool is_vf;
464 };
465 
466 #define QED_DRV_VER_STR_SIZE 12
467 struct qed_slowpath_params {
468 	u32	int_mode;
469 	u8	drv_major;
470 	u8	drv_minor;
471 	u8	drv_rev;
472 	u8	drv_eng;
473 	u8	name[QED_DRV_VER_STR_SIZE];
474 };
475 
476 #define ILT_PAGE_SIZE_TCFC 0x8000 /* 32KB */
477 
478 struct qed_int_info {
479 	struct msix_entry	*msix;
480 	u8			msix_cnt;
481 
482 	/* This should be updated by the protocol driver */
483 	u8			used_cnt;
484 };
485 
486 struct qed_common_cb_ops {
487 	void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
488 	void	(*link_update)(void			*dev,
489 			       struct qed_link_output	*link);
490 	void	(*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);
491 };
492 
493 struct qed_selftest_ops {
494 /**
495  * @brief selftest_interrupt - Perform interrupt test
496  *
497  * @param cdev
498  *
499  * @return 0 on success, error otherwise.
500  */
501 	int (*selftest_interrupt)(struct qed_dev *cdev);
502 
503 /**
504  * @brief selftest_memory - Perform memory test
505  *
506  * @param cdev
507  *
508  * @return 0 on success, error otherwise.
509  */
510 	int (*selftest_memory)(struct qed_dev *cdev);
511 
512 /**
513  * @brief selftest_register - Perform register test
514  *
515  * @param cdev
516  *
517  * @return 0 on success, error otherwise.
518  */
519 	int (*selftest_register)(struct qed_dev *cdev);
520 
521 /**
522  * @brief selftest_clock - Perform clock test
523  *
524  * @param cdev
525  *
526  * @return 0 on success, error otherwise.
527  */
528 	int (*selftest_clock)(struct qed_dev *cdev);
529 
530 /**
531  * @brief selftest_nvram - Perform nvram test
532  *
533  * @param cdev
534  *
535  * @return 0 on success, error otherwise.
536  */
537 	int (*selftest_nvram) (struct qed_dev *cdev);
538 };
539 
540 struct qed_common_ops {
541 	struct qed_selftest_ops *selftest;
542 
543 	struct qed_dev*	(*probe)(struct pci_dev *dev,
544 				 struct qed_probe_params *params);
545 
546 	void		(*remove)(struct qed_dev *cdev);
547 
548 	int		(*set_power_state)(struct qed_dev *cdev,
549 					   pci_power_t state);
550 
551 	void (*set_name) (struct qed_dev *cdev, char name[]);
552 
553 	/* Client drivers need to make this call before slowpath_start.
554 	 * PF params required for the call before slowpath_start is
555 	 * documented within the qed_pf_params structure definition.
556 	 */
557 	void		(*update_pf_params)(struct qed_dev *cdev,
558 					    struct qed_pf_params *params);
559 	int		(*slowpath_start)(struct qed_dev *cdev,
560 					  struct qed_slowpath_params *params);
561 
562 	int		(*slowpath_stop)(struct qed_dev *cdev);
563 
564 	/* Requests to use `cnt' interrupts for fastpath.
565 	 * upon success, returns number of interrupts allocated for fastpath.
566 	 */
567 	int		(*set_fp_int)(struct qed_dev *cdev,
568 				      u16 cnt);
569 
570 	/* Fills `info' with pointers required for utilizing interrupts */
571 	int		(*get_fp_int)(struct qed_dev *cdev,
572 				      struct qed_int_info *info);
573 
574 	u32		(*sb_init)(struct qed_dev *cdev,
575 				   struct qed_sb_info *sb_info,
576 				   void *sb_virt_addr,
577 				   dma_addr_t sb_phy_addr,
578 				   u16 sb_id,
579 				   enum qed_sb_type type);
580 
581 	u32		(*sb_release)(struct qed_dev *cdev,
582 				      struct qed_sb_info *sb_info,
583 				      u16 sb_id);
584 
585 	void		(*simd_handler_config)(struct qed_dev *cdev,
586 					       void *token,
587 					       int index,
588 					       void (*handler)(void *));
589 
590 	void		(*simd_handler_clean)(struct qed_dev *cdev,
591 					      int index);
592 	int (*dbg_grc)(struct qed_dev *cdev,
593 		       void *buffer, u32 *num_dumped_bytes);
594 
595 	int (*dbg_grc_size)(struct qed_dev *cdev);
596 
597 	int (*dbg_all_data) (struct qed_dev *cdev, void *buffer);
598 
599 	int (*dbg_all_data_size) (struct qed_dev *cdev);
600 
601 /**
602  * @brief can_link_change - can the instance change the link or not
603  *
604  * @param cdev
605  *
606  * @return true if link-change is allowed, false otherwise.
607  */
608 	bool (*can_link_change)(struct qed_dev *cdev);
609 
610 /**
611  * @brief set_link - set links according to params
612  *
613  * @param cdev
614  * @param params - values used to override the default link configuration
615  *
616  * @return 0 on success, error otherwise.
617  */
618 	int		(*set_link)(struct qed_dev *cdev,
619 				    struct qed_link_params *params);
620 
621 /**
622  * @brief get_link - returns the current link state.
623  *
624  * @param cdev
625  * @param if_link - structure to be filled with current link configuration.
626  */
627 	void		(*get_link)(struct qed_dev *cdev,
628 				    struct qed_link_output *if_link);
629 
630 /**
631  * @brief - drains chip in case Tx completions fail to arrive due to pause.
632  *
633  * @param cdev
634  */
635 	int		(*drain)(struct qed_dev *cdev);
636 
637 /**
638  * @brief update_msglvl - update module debug level
639  *
640  * @param cdev
641  * @param dp_module
642  * @param dp_level
643  */
644 	void		(*update_msglvl)(struct qed_dev *cdev,
645 					 u32 dp_module,
646 					 u8 dp_level);
647 
648 	int		(*chain_alloc)(struct qed_dev *cdev,
649 				       enum qed_chain_use_mode intended_use,
650 				       enum qed_chain_mode mode,
651 				       enum qed_chain_cnt_type cnt_type,
652 				       u32 num_elems,
653 				       size_t elem_size,
654 				       struct qed_chain *p_chain,
655 				       struct qed_chain_ext_pbl *ext_pbl);
656 
657 	void		(*chain_free)(struct qed_dev *cdev,
658 				      struct qed_chain *p_chain);
659 
660 /**
661  * @brief nvm_get_image - reads an entire image from nvram
662  *
663  * @param cdev
664  * @param type - type of the request nvram image
665  * @param buf - preallocated buffer to fill with the image
666  * @param len - length of the allocated buffer
667  *
668  * @return 0 on success, error otherwise
669  */
670 	int (*nvm_get_image)(struct qed_dev *cdev,
671 			     enum qed_nvm_images type, u8 *buf, u16 len);
672 
673 /**
674  * @brief set_coalesce - Configure Rx coalesce value in usec
675  *
676  * @param cdev
677  * @param rx_coal - Rx coalesce value in usec
678  * @param tx_coal - Tx coalesce value in usec
679  * @param qid - Queue index
680  * @param sb_id - Status Block Id
681  *
682  * @return 0 on success, error otherwise.
683  */
684 	int (*set_coalesce)(struct qed_dev *cdev,
685 			    u16 rx_coal, u16 tx_coal, void *handle);
686 
687 /**
688  * @brief set_led - Configure LED mode
689  *
690  * @param cdev
691  * @param mode - LED mode
692  *
693  * @return 0 on success, error otherwise.
694  */
695 	int (*set_led)(struct qed_dev *cdev,
696 		       enum qed_led_mode mode);
697 
698 /**
699  * @brief update_drv_state - API to inform the change in the driver state.
700  *
701  * @param cdev
702  * @param active
703  *
704  */
705 	int (*update_drv_state)(struct qed_dev *cdev, bool active);
706 
707 /**
708  * @brief update_mac - API to inform the change in the mac address
709  *
710  * @param cdev
711  * @param mac
712  *
713  */
714 	int (*update_mac)(struct qed_dev *cdev, u8 *mac);
715 
716 /**
717  * @brief update_mtu - API to inform the change in the mtu
718  *
719  * @param cdev
720  * @param mtu
721  *
722  */
723 	int (*update_mtu)(struct qed_dev *cdev, u16 mtu);
724 
725 /**
726  * @brief update_wol - update of changes in the WoL configuration
727  *
728  * @param cdev
729  * @param enabled - true iff WoL should be enabled.
730  */
731 	int (*update_wol) (struct qed_dev *cdev, bool enabled);
732 };
733 
734 #define MASK_FIELD(_name, _value) \
735 	((_value) &= (_name ## _MASK))
736 
737 #define FIELD_VALUE(_name, _value) \
738 	((_value & _name ## _MASK) << _name ## _SHIFT)
739 
740 #define SET_FIELD(value, name, flag)			       \
741 	do {						       \
742 		(value) &= ~(name ## _MASK << name ## _SHIFT); \
743 		(value) |= (((u64)flag) << (name ## _SHIFT));  \
744 	} while (0)
745 
746 #define GET_FIELD(value, name) \
747 	(((value) >> (name ## _SHIFT)) & name ## _MASK)
748 
749 /* Debug print definitions */
750 #define DP_ERR(cdev, fmt, ...)					\
751 	do {							\
752 		pr_err("[%s:%d(%s)]" fmt,			\
753 		       __func__, __LINE__,			\
754 		       DP_NAME(cdev) ? DP_NAME(cdev) : "",	\
755 		       ## __VA_ARGS__);				\
756 	} while (0)
757 
758 #define DP_NOTICE(cdev, fmt, ...)				      \
759 	do {							      \
760 		if (unlikely((cdev)->dp_level <= QED_LEVEL_NOTICE)) { \
761 			pr_notice("[%s:%d(%s)]" fmt,		      \
762 				  __func__, __LINE__,		      \
763 				  DP_NAME(cdev) ? DP_NAME(cdev) : "", \
764 				  ## __VA_ARGS__);		      \
765 								      \
766 		}						      \
767 	} while (0)
768 
769 #define DP_INFO(cdev, fmt, ...)					      \
770 	do {							      \
771 		if (unlikely((cdev)->dp_level <= QED_LEVEL_INFO)) {   \
772 			pr_notice("[%s:%d(%s)]" fmt,		      \
773 				  __func__, __LINE__,		      \
774 				  DP_NAME(cdev) ? DP_NAME(cdev) : "", \
775 				  ## __VA_ARGS__);		      \
776 		}						      \
777 	} while (0)
778 
779 #define DP_VERBOSE(cdev, module, fmt, ...)				\
780 	do {								\
781 		if (unlikely(((cdev)->dp_level <= QED_LEVEL_VERBOSE) &&	\
782 			     ((cdev)->dp_module & module))) {		\
783 			pr_notice("[%s:%d(%s)]" fmt,			\
784 				  __func__, __LINE__,			\
785 				  DP_NAME(cdev) ? DP_NAME(cdev) : "",	\
786 				  ## __VA_ARGS__);			\
787 		}							\
788 	} while (0)
789 
790 enum DP_LEVEL {
791 	QED_LEVEL_VERBOSE	= 0x0,
792 	QED_LEVEL_INFO		= 0x1,
793 	QED_LEVEL_NOTICE	= 0x2,
794 	QED_LEVEL_ERR		= 0x3,
795 };
796 
797 #define QED_LOG_LEVEL_SHIFT     (30)
798 #define QED_LOG_VERBOSE_MASK    (0x3fffffff)
799 #define QED_LOG_INFO_MASK       (0x40000000)
800 #define QED_LOG_NOTICE_MASK     (0x80000000)
801 
802 enum DP_MODULE {
803 	QED_MSG_SPQ	= 0x10000,
804 	QED_MSG_STATS	= 0x20000,
805 	QED_MSG_DCB	= 0x40000,
806 	QED_MSG_IOV	= 0x80000,
807 	QED_MSG_SP	= 0x100000,
808 	QED_MSG_STORAGE = 0x200000,
809 	QED_MSG_CXT	= 0x800000,
810 	QED_MSG_LL2	= 0x1000000,
811 	QED_MSG_ILT	= 0x2000000,
812 	QED_MSG_RDMA	= 0x4000000,
813 	QED_MSG_DEBUG	= 0x8000000,
814 	/* to be added...up to 0x8000000 */
815 };
816 
817 enum qed_mf_mode {
818 	QED_MF_DEFAULT,
819 	QED_MF_OVLAN,
820 	QED_MF_NPAR,
821 };
822 
823 struct qed_eth_stats_common {
824 	u64	no_buff_discards;
825 	u64	packet_too_big_discard;
826 	u64	ttl0_discard;
827 	u64	rx_ucast_bytes;
828 	u64	rx_mcast_bytes;
829 	u64	rx_bcast_bytes;
830 	u64	rx_ucast_pkts;
831 	u64	rx_mcast_pkts;
832 	u64	rx_bcast_pkts;
833 	u64	mftag_filter_discards;
834 	u64	mac_filter_discards;
835 	u64	tx_ucast_bytes;
836 	u64	tx_mcast_bytes;
837 	u64	tx_bcast_bytes;
838 	u64	tx_ucast_pkts;
839 	u64	tx_mcast_pkts;
840 	u64	tx_bcast_pkts;
841 	u64	tx_err_drop_pkts;
842 	u64	tpa_coalesced_pkts;
843 	u64	tpa_coalesced_events;
844 	u64	tpa_aborts_num;
845 	u64	tpa_not_coalesced_pkts;
846 	u64	tpa_coalesced_bytes;
847 
848 	/* port */
849 	u64	rx_64_byte_packets;
850 	u64	rx_65_to_127_byte_packets;
851 	u64	rx_128_to_255_byte_packets;
852 	u64	rx_256_to_511_byte_packets;
853 	u64	rx_512_to_1023_byte_packets;
854 	u64	rx_1024_to_1518_byte_packets;
855 	u64	rx_crc_errors;
856 	u64	rx_mac_crtl_frames;
857 	u64	rx_pause_frames;
858 	u64	rx_pfc_frames;
859 	u64	rx_align_errors;
860 	u64	rx_carrier_errors;
861 	u64	rx_oversize_packets;
862 	u64	rx_jabbers;
863 	u64	rx_undersize_packets;
864 	u64	rx_fragments;
865 	u64	tx_64_byte_packets;
866 	u64	tx_65_to_127_byte_packets;
867 	u64	tx_128_to_255_byte_packets;
868 	u64	tx_256_to_511_byte_packets;
869 	u64	tx_512_to_1023_byte_packets;
870 	u64	tx_1024_to_1518_byte_packets;
871 	u64	tx_pause_frames;
872 	u64	tx_pfc_frames;
873 	u64	brb_truncates;
874 	u64	brb_discards;
875 	u64	rx_mac_bytes;
876 	u64	rx_mac_uc_packets;
877 	u64	rx_mac_mc_packets;
878 	u64	rx_mac_bc_packets;
879 	u64	rx_mac_frames_ok;
880 	u64	tx_mac_bytes;
881 	u64	tx_mac_uc_packets;
882 	u64	tx_mac_mc_packets;
883 	u64	tx_mac_bc_packets;
884 	u64	tx_mac_ctrl_frames;
885 };
886 
887 struct qed_eth_stats_bb {
888 	u64 rx_1519_to_1522_byte_packets;
889 	u64 rx_1519_to_2047_byte_packets;
890 	u64 rx_2048_to_4095_byte_packets;
891 	u64 rx_4096_to_9216_byte_packets;
892 	u64 rx_9217_to_16383_byte_packets;
893 	u64 tx_1519_to_2047_byte_packets;
894 	u64 tx_2048_to_4095_byte_packets;
895 	u64 tx_4096_to_9216_byte_packets;
896 	u64 tx_9217_to_16383_byte_packets;
897 	u64 tx_lpi_entry_count;
898 	u64 tx_total_collisions;
899 };
900 
901 struct qed_eth_stats_ah {
902 	u64 rx_1519_to_max_byte_packets;
903 	u64 tx_1519_to_max_byte_packets;
904 };
905 
906 struct qed_eth_stats {
907 	struct qed_eth_stats_common common;
908 
909 	union {
910 		struct qed_eth_stats_bb bb;
911 		struct qed_eth_stats_ah ah;
912 	};
913 };
914 
915 #define QED_SB_IDX              0x0002
916 
917 #define RX_PI           0
918 #define TX_PI(tc)       (RX_PI + 1 + tc)
919 
920 struct qed_sb_cnt_info {
921 	/* Original, current, and free SBs for PF */
922 	int orig;
923 	int cnt;
924 	int free_cnt;
925 
926 	/* Original, current and free SBS for child VFs */
927 	int iov_orig;
928 	int iov_cnt;
929 	int free_cnt_iov;
930 };
931 
932 static inline u16 qed_sb_update_sb_idx(struct qed_sb_info *sb_info)
933 {
934 	u32 prod = 0;
935 	u16 rc = 0;
936 
937 	prod = le32_to_cpu(sb_info->sb_virt->prod_index) &
938 	       STATUS_BLOCK_E4_PROD_INDEX_MASK;
939 	if (sb_info->sb_ack != prod) {
940 		sb_info->sb_ack = prod;
941 		rc |= QED_SB_IDX;
942 	}
943 
944 	/* Let SB update */
945 	mmiowb();
946 	return rc;
947 }
948 
949 /**
950  *
951  * @brief This function creates an update command for interrupts that is
952  *        written to the IGU.
953  *
954  * @param sb_info       - This is the structure allocated and
955  *                 initialized per status block. Assumption is
956  *                 that it was initialized using qed_sb_init
957  * @param int_cmd       - Enable/Disable/Nop
958  * @param upd_flg       - whether igu consumer should be
959  *                 updated.
960  *
961  * @return inline void
962  */
963 static inline void qed_sb_ack(struct qed_sb_info *sb_info,
964 			      enum igu_int_cmd int_cmd,
965 			      u8 upd_flg)
966 {
967 	struct igu_prod_cons_update igu_ack = { 0 };
968 
969 	igu_ack.sb_id_and_flags =
970 		((sb_info->sb_ack << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) |
971 		 (upd_flg << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) |
972 		 (int_cmd << IGU_PROD_CONS_UPDATE_ENABLE_INT_SHIFT) |
973 		 (IGU_SEG_ACCESS_REG <<
974 		  IGU_PROD_CONS_UPDATE_SEGMENT_ACCESS_SHIFT));
975 
976 	DIRECT_REG_WR(sb_info->igu_addr, igu_ack.sb_id_and_flags);
977 
978 	/* Both segments (interrupts & acks) are written to same place address;
979 	 * Need to guarantee all commands will be received (in-order) by HW.
980 	 */
981 	mmiowb();
982 	barrier();
983 }
984 
985 static inline void __internal_ram_wr(void *p_hwfn,
986 				     void __iomem *addr,
987 				     int size,
988 				     u32 *data)
989 
990 {
991 	unsigned int i;
992 
993 	for (i = 0; i < size / sizeof(*data); i++)
994 		DIRECT_REG_WR(&((u32 __iomem *)addr)[i], data[i]);
995 }
996 
997 static inline void internal_ram_wr(void __iomem *addr,
998 				   int size,
999 				   u32 *data)
1000 {
1001 	__internal_ram_wr(NULL, addr, size, data);
1002 }
1003 
1004 enum qed_rss_caps {
1005 	QED_RSS_IPV4		= 0x1,
1006 	QED_RSS_IPV6		= 0x2,
1007 	QED_RSS_IPV4_TCP	= 0x4,
1008 	QED_RSS_IPV6_TCP	= 0x8,
1009 	QED_RSS_IPV4_UDP	= 0x10,
1010 	QED_RSS_IPV6_UDP	= 0x20,
1011 };
1012 
1013 #define QED_RSS_IND_TABLE_SIZE 128
1014 #define QED_RSS_KEY_SIZE 10 /* size in 32b chunks */
1015 #endif
1016