1 /*
2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
3  *
4  * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 
35 #ifndef __CXGB4_H__
36 #define __CXGB4_H__
37 
38 #include "t4_hw.h"
39 
40 #include <linux/bitops.h>
41 #include <linux/cache.h>
42 #include <linux/interrupt.h>
43 #include <linux/list.h>
44 #include <linux/netdevice.h>
45 #include <linux/pci.h>
46 #include <linux/spinlock.h>
47 #include <linux/timer.h>
48 #include <linux/vmalloc.h>
49 #include <linux/rhashtable.h>
50 #include <linux/etherdevice.h>
51 #include <linux/net_tstamp.h>
52 #include <linux/ptp_clock_kernel.h>
53 #include <linux/ptp_classify.h>
54 #include <linux/crash_dump.h>
55 #include <linux/thermal.h>
56 #include <asm/io.h>
57 #include "t4_chip_type.h"
58 #include "cxgb4_uld.h"
59 #include "t4fw_api.h"
60 
61 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
62 extern struct list_head adapter_list;
63 extern struct list_head uld_list;
64 extern struct mutex uld_mutex;
65 
66 /* Suspend an Ethernet Tx queue with fewer available descriptors than this.
67  * This is the same as calc_tx_descs() for a TSO packet with
68  * nr_frags == MAX_SKB_FRAGS.
69  */
70 #define ETHTXQ_STOP_THRES \
71 	(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
72 
73 #define FW_PARAM_DEV(param) \
74 	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
75 	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))
76 
77 #define FW_PARAM_PFVF(param) \
78 	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
79 	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) |  \
80 	 FW_PARAMS_PARAM_Y_V(0) | \
81 	 FW_PARAMS_PARAM_Z_V(0))
82 
83 enum {
84 	MAX_NPORTS	= 4,     /* max # of ports */
85 	SERNUM_LEN	= 24,    /* Serial # length */
86 	EC_LEN		= 16,    /* E/C length */
87 	ID_LEN		= 16,    /* ID length */
88 	PN_LEN		= 16,    /* Part Number length */
89 	MACADDR_LEN	= 12,    /* MAC Address length */
90 };
91 
92 enum {
93 	T4_REGMAP_SIZE = (160 * 1024),
94 	T5_REGMAP_SIZE = (332 * 1024),
95 };
96 
97 enum {
98 	MEM_EDC0,
99 	MEM_EDC1,
100 	MEM_MC,
101 	MEM_MC0 = MEM_MC,
102 	MEM_MC1,
103 	MEM_HMA,
104 };
105 
106 enum {
107 	MEMWIN0_APERTURE = 2048,
108 	MEMWIN0_BASE     = 0x1b800,
109 	MEMWIN1_APERTURE = 32768,
110 	MEMWIN1_BASE     = 0x28000,
111 	MEMWIN1_BASE_T5  = 0x52000,
112 	MEMWIN2_APERTURE = 65536,
113 	MEMWIN2_BASE     = 0x30000,
114 	MEMWIN2_APERTURE_T5 = 131072,
115 	MEMWIN2_BASE_T5  = 0x60000,
116 };
117 
118 enum dev_master {
119 	MASTER_CANT,
120 	MASTER_MAY,
121 	MASTER_MUST
122 };
123 
124 enum dev_state {
125 	DEV_STATE_UNINIT,
126 	DEV_STATE_INIT,
127 	DEV_STATE_ERR
128 };
129 
130 enum cc_pause {
131 	PAUSE_RX      = 1 << 0,
132 	PAUSE_TX      = 1 << 1,
133 	PAUSE_AUTONEG = 1 << 2
134 };
135 
136 enum cc_fec {
137 	FEC_AUTO      = 1 << 0,	 /* IEEE 802.3 "automatic" */
138 	FEC_RS        = 1 << 1,  /* Reed-Solomon */
139 	FEC_BASER_RS  = 1 << 2   /* BaseR/Reed-Solomon */
140 };
141 
142 enum {
143 	CXGB4_ETHTOOL_FLASH_FW = 1,
144 	CXGB4_ETHTOOL_FLASH_PHY = 2,
145 	CXGB4_ETHTOOL_FLASH_BOOT = 3,
146 	CXGB4_ETHTOOL_FLASH_BOOTCFG = 4
147 };
148 
149 struct cxgb4_bootcfg_data {
150 	__le16 signature;
151 	__u8 reserved[2];
152 };
153 
154 struct cxgb4_pcir_data {
155 	__le32 signature;	/* Signature. The string "PCIR" */
156 	__le16 vendor_id;	/* Vendor Identification */
157 	__le16 device_id;	/* Device Identification */
158 	__u8 vital_product[2];	/* Pointer to Vital Product Data */
159 	__u8 length[2];		/* PCIR Data Structure Length */
160 	__u8 revision;		/* PCIR Data Structure Revision */
161 	__u8 class_code[3];	/* Class Code */
162 	__u8 image_length[2];	/* Image Length. Multiple of 512B */
163 	__u8 code_revision[2];	/* Revision Level of Code/Data */
164 	__u8 code_type;
165 	__u8 indicator;
166 	__u8 reserved[2];
167 };
168 
169 /* BIOS boot headers */
170 struct cxgb4_pci_exp_rom_header {
171 	__le16 signature;	/* ROM Signature. Should be 0xaa55 */
172 	__u8 reserved[22];	/* Reserved per processor Architecture data */
173 	__le16 pcir_offset;	/* Offset to PCI Data Structure */
174 };
175 
176 /* Legacy PCI Expansion ROM Header */
177 struct legacy_pci_rom_hdr {
178 	__u8 signature[2];	/* ROM Signature. Should be 0xaa55 */
179 	__u8 size512;		/* Current Image Size in units of 512 bytes */
180 	__u8 initentry_point[4];
181 	__u8 cksum;		/* Checksum computed on the entire Image */
182 	__u8 reserved[16];	/* Reserved */
183 	__le16 pcir_offset;	/* Offset to PCI Data Struture */
184 };
185 
186 #define CXGB4_HDR_CODE1 0x00
187 #define CXGB4_HDR_CODE2 0x03
188 #define CXGB4_HDR_INDI 0x80
189 
190 /* BOOT constants */
191 enum {
192 	BOOT_CFG_SIG = 0x4243,
193 	BOOT_SIZE_INC = 512,
194 	BOOT_SIGNATURE = 0xaa55,
195 	BOOT_MIN_SIZE = sizeof(struct cxgb4_pci_exp_rom_header),
196 	BOOT_MAX_SIZE = 1024 * BOOT_SIZE_INC,
197 	PCIR_SIGNATURE = 0x52494350
198 };
199 
200 struct port_stats {
201 	u64 tx_octets;            /* total # of octets in good frames */
202 	u64 tx_frames;            /* all good frames */
203 	u64 tx_bcast_frames;      /* all broadcast frames */
204 	u64 tx_mcast_frames;      /* all multicast frames */
205 	u64 tx_ucast_frames;      /* all unicast frames */
206 	u64 tx_error_frames;      /* all error frames */
207 
208 	u64 tx_frames_64;         /* # of Tx frames in a particular range */
209 	u64 tx_frames_65_127;
210 	u64 tx_frames_128_255;
211 	u64 tx_frames_256_511;
212 	u64 tx_frames_512_1023;
213 	u64 tx_frames_1024_1518;
214 	u64 tx_frames_1519_max;
215 
216 	u64 tx_drop;              /* # of dropped Tx frames */
217 	u64 tx_pause;             /* # of transmitted pause frames */
218 	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
219 	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
220 	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
221 	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
222 	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
223 	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
224 	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
225 	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
226 
227 	u64 rx_octets;            /* total # of octets in good frames */
228 	u64 rx_frames;            /* all good frames */
229 	u64 rx_bcast_frames;      /* all broadcast frames */
230 	u64 rx_mcast_frames;      /* all multicast frames */
231 	u64 rx_ucast_frames;      /* all unicast frames */
232 	u64 rx_too_long;          /* # of frames exceeding MTU */
233 	u64 rx_jabber;            /* # of jabber frames */
234 	u64 rx_fcs_err;           /* # of received frames with bad FCS */
235 	u64 rx_len_err;           /* # of received frames with length error */
236 	u64 rx_symbol_err;        /* symbol errors */
237 	u64 rx_runt;              /* # of short frames */
238 
239 	u64 rx_frames_64;         /* # of Rx frames in a particular range */
240 	u64 rx_frames_65_127;
241 	u64 rx_frames_128_255;
242 	u64 rx_frames_256_511;
243 	u64 rx_frames_512_1023;
244 	u64 rx_frames_1024_1518;
245 	u64 rx_frames_1519_max;
246 
247 	u64 rx_pause;             /* # of received pause frames */
248 	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
249 	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
250 	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
251 	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
252 	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
253 	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
254 	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
255 	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
256 
257 	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
258 	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
259 	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
260 	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
261 	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
262 	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
263 	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
264 	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
265 };
266 
267 struct lb_port_stats {
268 	u64 octets;
269 	u64 frames;
270 	u64 bcast_frames;
271 	u64 mcast_frames;
272 	u64 ucast_frames;
273 	u64 error_frames;
274 
275 	u64 frames_64;
276 	u64 frames_65_127;
277 	u64 frames_128_255;
278 	u64 frames_256_511;
279 	u64 frames_512_1023;
280 	u64 frames_1024_1518;
281 	u64 frames_1519_max;
282 
283 	u64 drop;
284 
285 	u64 ovflow0;
286 	u64 ovflow1;
287 	u64 ovflow2;
288 	u64 ovflow3;
289 	u64 trunc0;
290 	u64 trunc1;
291 	u64 trunc2;
292 	u64 trunc3;
293 };
294 
295 struct tp_tcp_stats {
296 	u32 tcp_out_rsts;
297 	u64 tcp_in_segs;
298 	u64 tcp_out_segs;
299 	u64 tcp_retrans_segs;
300 };
301 
302 struct tp_usm_stats {
303 	u32 frames;
304 	u32 drops;
305 	u64 octets;
306 };
307 
308 struct tp_fcoe_stats {
309 	u32 frames_ddp;
310 	u32 frames_drop;
311 	u64 octets_ddp;
312 };
313 
314 struct tp_err_stats {
315 	u32 mac_in_errs[4];
316 	u32 hdr_in_errs[4];
317 	u32 tcp_in_errs[4];
318 	u32 tnl_cong_drops[4];
319 	u32 ofld_chan_drops[4];
320 	u32 tnl_tx_drops[4];
321 	u32 ofld_vlan_drops[4];
322 	u32 tcp6_in_errs[4];
323 	u32 ofld_no_neigh;
324 	u32 ofld_cong_defer;
325 };
326 
327 struct tp_cpl_stats {
328 	u32 req[4];
329 	u32 rsp[4];
330 };
331 
332 struct tp_rdma_stats {
333 	u32 rqe_dfr_pkt;
334 	u32 rqe_dfr_mod;
335 };
336 
337 struct sge_params {
338 	u32 hps;			/* host page size for our PF/VF */
339 	u32 eq_qpp;			/* egress queues/page for our PF/VF */
340 	u32 iq_qpp;			/* egress queues/page for our PF/VF */
341 };
342 
343 struct tp_params {
344 	unsigned int tre;            /* log2 of core clocks per TP tick */
345 	unsigned int la_mask;        /* what events are recorded by TP LA */
346 	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
347 				     /* channel map */
348 
349 	uint32_t dack_re;            /* DACK timer resolution */
350 	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
351 
352 	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
353 	u32 filter_mask;
354 	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
355 
356 	/* cached TP_OUT_CONFIG compressed error vector
357 	 * and passing outer header info for encapsulated packets.
358 	 */
359 	int rx_pkt_encap;
360 
361 	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
362 	 * subset of the set of fields which may be present in the Compressed
363 	 * Filter Tuple portion of filters and TCP TCB connections.  The
364 	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
365 	 * Since a variable number of fields may or may not be present, their
366 	 * shifted field positions within the Compressed Filter Tuple may
367 	 * vary, or not even be present if the field isn't selected in
368 	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
369 	 * places we store their offsets here, or a -1 if the field isn't
370 	 * present.
371 	 */
372 	int fcoe_shift;
373 	int port_shift;
374 	int vnic_shift;
375 	int vlan_shift;
376 	int tos_shift;
377 	int protocol_shift;
378 	int ethertype_shift;
379 	int macmatch_shift;
380 	int matchtype_shift;
381 	int frag_shift;
382 
383 	u64 hash_filter_mask;
384 };
385 
386 struct vpd_params {
387 	unsigned int cclk;
388 	u8 ec[EC_LEN + 1];
389 	u8 sn[SERNUM_LEN + 1];
390 	u8 id[ID_LEN + 1];
391 	u8 pn[PN_LEN + 1];
392 	u8 na[MACADDR_LEN + 1];
393 };
394 
395 /* Maximum resources provisioned for a PCI PF.
396  */
397 struct pf_resources {
398 	unsigned int nvi;		/* N virtual interfaces */
399 	unsigned int neq;		/* N egress Qs */
400 	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
401 	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
402 	unsigned int niq;		/* N ingress Qs */
403 	unsigned int tc;		/* PCI-E traffic class */
404 	unsigned int pmask;		/* port access rights mask */
405 	unsigned int nexactf;		/* N exact MPS filters */
406 	unsigned int r_caps;		/* read capabilities */
407 	unsigned int wx_caps;		/* write/execute capabilities */
408 };
409 
410 struct pci_params {
411 	unsigned int vpd_cap_addr;
412 	unsigned char speed;
413 	unsigned char width;
414 };
415 
416 struct devlog_params {
417 	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
418 	u32 start;                      /* start of log in firmware memory */
419 	u32 size;                       /* size of log */
420 };
421 
422 /* Stores chip specific parameters */
423 struct arch_specific_params {
424 	u8 nchan;
425 	u8 pm_stats_cnt;
426 	u8 cng_ch_bits_log;		/* congestion channel map bits width */
427 	u16 mps_rplc_size;
428 	u16 vfcount;
429 	u32 sge_fl_db;
430 	u16 mps_tcam_size;
431 };
432 
433 struct adapter_params {
434 	struct sge_params sge;
435 	struct tp_params  tp;
436 	struct vpd_params vpd;
437 	struct pf_resources pfres;
438 	struct pci_params pci;
439 	struct devlog_params devlog;
440 	enum pcie_memwin drv_memwin;
441 
442 	unsigned int cim_la_size;
443 
444 	unsigned int sf_size;             /* serial flash size in bytes */
445 	unsigned int sf_nsec;             /* # of flash sectors */
446 
447 	unsigned int fw_vers;		  /* firmware version */
448 	unsigned int bs_vers;		  /* bootstrap version */
449 	unsigned int tp_vers;		  /* TP microcode version */
450 	unsigned int er_vers;		  /* expansion ROM version */
451 	unsigned int scfg_vers;		  /* Serial Configuration version */
452 	unsigned int vpd_vers;		  /* VPD Version */
453 	u8 api_vers[7];
454 
455 	unsigned short mtus[NMTUS];
456 	unsigned short a_wnd[NCCTRL_WIN];
457 	unsigned short b_wnd[NCCTRL_WIN];
458 
459 	unsigned char nports;             /* # of ethernet ports */
460 	unsigned char portvec;
461 	enum chip_type chip;               /* chip code */
462 	struct arch_specific_params arch;  /* chip specific params */
463 	unsigned char offload;
464 	unsigned char crypto;		/* HW capability for crypto */
465 	unsigned char ethofld;		/* QoS support */
466 
467 	unsigned char bypass;
468 	unsigned char hash_filter;
469 
470 	unsigned int ofldq_wr_cred;
471 	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
472 
473 	unsigned int nsched_cls;          /* number of traffic classes */
474 	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
475 	unsigned int max_ird_adapter;     /* Max read depth per adapter */
476 	bool fr_nsmr_tpte_wr_support;	  /* FW support for FR_NSMR_TPTE_WR */
477 	u8 fw_caps_support;		/* 32-bit Port Capabilities */
478 	bool filter2_wr_support;	/* FW support for FILTER2_WR */
479 	unsigned int viid_smt_extn_support:1; /* FW returns vin and smt index */
480 
481 	/* MPS Buffer Group Map[per Port].  Bit i is set if buffer group i is
482 	 * used by the Port
483 	 */
484 	u8 mps_bg_map[MAX_NPORTS];	/* MPS Buffer Group Map */
485 	bool write_w_imm_support;       /* FW supports WRITE_WITH_IMMEDIATE */
486 	bool write_cmpl_support;        /* FW supports WRITE_CMPL */
487 };
488 
489 /* State needed to monitor the forward progress of SGE Ingress DMA activities
490  * and possible hangs.
491  */
492 struct sge_idma_monitor_state {
493 	unsigned int idma_1s_thresh;	/* 1s threshold in Core Clock ticks */
494 	unsigned int idma_stalled[2];	/* synthesized stalled timers in HZ */
495 	unsigned int idma_state[2];	/* IDMA Hang detect state */
496 	unsigned int idma_qid[2];	/* IDMA Hung Ingress Queue ID */
497 	unsigned int idma_warn[2];	/* time to warning in HZ */
498 };
499 
500 /* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
501  * The access and execute times are signed in order to accommodate negative
502  * error returns.
503  */
504 struct mbox_cmd {
505 	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
506 	u64 timestamp;			/* OS-dependent timestamp */
507 	u32 seqno;			/* sequence number */
508 	s16 access;			/* time (ms) to access mailbox */
509 	s16 execute;			/* time (ms) to execute */
510 };
511 
512 struct mbox_cmd_log {
513 	unsigned int size;		/* number of entries in the log */
514 	unsigned int cursor;		/* next position in the log to write */
515 	u32 seqno;			/* next sequence number */
516 	/* variable length mailbox command log starts here */
517 };
518 
519 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
520  * return a pointer to the specified entry.
521  */
522 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
523 						  unsigned int entry_idx)
524 {
525 	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
526 }
527 
528 #define FW_VERSION(chip) ( \
529 		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
530 		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
531 		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
532 		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
533 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
534 
535 struct cxgb4_ethtool_lb_test {
536 	struct completion completion;
537 	int result;
538 	int loopback;
539 };
540 
541 struct fw_info {
542 	u8 chip;
543 	char *fs_name;
544 	char *fw_mod_name;
545 	struct fw_hdr fw_hdr;
546 };
547 
548 struct trace_params {
549 	u32 data[TRACE_LEN / 4];
550 	u32 mask[TRACE_LEN / 4];
551 	unsigned short snap_len;
552 	unsigned short min_len;
553 	unsigned char skip_ofst;
554 	unsigned char skip_len;
555 	unsigned char invert;
556 	unsigned char port;
557 };
558 
559 struct cxgb4_fw_data {
560 	__be32 signature;
561 	__u8 reserved[4];
562 };
563 
564 /* Firmware Port Capabilities types. */
565 
566 typedef u16 fw_port_cap16_t;	/* 16-bit Port Capabilities integral value */
567 typedef u32 fw_port_cap32_t;	/* 32-bit Port Capabilities integral value */
568 
569 enum fw_caps {
570 	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
571 	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
572 	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
573 };
574 
575 struct link_config {
576 	fw_port_cap32_t pcaps;           /* link capabilities */
577 	fw_port_cap32_t def_acaps;       /* default advertised capabilities */
578 	fw_port_cap32_t acaps;           /* advertised capabilities */
579 	fw_port_cap32_t lpacaps;         /* peer advertised capabilities */
580 
581 	fw_port_cap32_t speed_caps;      /* speed(s) user has requested */
582 	unsigned int   speed;            /* actual link speed (Mb/s) */
583 
584 	enum cc_pause  requested_fc;     /* flow control user has requested */
585 	enum cc_pause  fc;               /* actual link flow control */
586 	enum cc_pause  advertised_fc;    /* actual advertised flow control */
587 
588 	enum cc_fec    requested_fec;	 /* Forward Error Correction: */
589 	enum cc_fec    fec;		 /* requested and actual in use */
590 
591 	unsigned char  autoneg;          /* autonegotiating? */
592 
593 	unsigned char  link_ok;          /* link up? */
594 	unsigned char  link_down_rc;     /* link down reason */
595 
596 	bool new_module;		 /* ->OS Transceiver Module inserted */
597 	bool redo_l1cfg;		 /* ->CC redo current "sticky" L1 CFG */
598 };
599 
600 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
601 
602 enum {
603 	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
604 	MAX_OFLD_QSETS = 16,          /* # of offload Tx, iscsi Rx queue sets */
605 	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
606 };
607 
608 enum {
609 	MAX_TXQ_ENTRIES      = 16384,
610 	MAX_CTRL_TXQ_ENTRIES = 1024,
611 	MAX_RSPQ_ENTRIES     = 16384,
612 	MAX_RX_BUFFERS       = 16384,
613 	MIN_TXQ_ENTRIES      = 32,
614 	MIN_CTRL_TXQ_ENTRIES = 32,
615 	MIN_RSPQ_ENTRIES     = 128,
616 	MIN_FL_ENTRIES       = 16
617 };
618 
619 enum {
620 	MAX_TXQ_DESC_SIZE      = 64,
621 	MAX_RXQ_DESC_SIZE      = 128,
622 	MAX_FL_DESC_SIZE       = 8,
623 	MAX_CTRL_TXQ_DESC_SIZE = 64,
624 };
625 
626 enum {
627 	INGQ_EXTRAS = 2,        /* firmware event queue and */
628 				/*   forwarded interrupts */
629 	MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
630 };
631 
632 enum {
633 	PRIV_FLAG_PORT_TX_VM_BIT,
634 };
635 
636 #define PRIV_FLAG_PORT_TX_VM		BIT(PRIV_FLAG_PORT_TX_VM_BIT)
637 
638 #define PRIV_FLAGS_ADAP			0
639 #define PRIV_FLAGS_PORT			PRIV_FLAG_PORT_TX_VM
640 
641 struct adapter;
642 struct sge_rspq;
643 
644 #include "cxgb4_dcb.h"
645 
646 #ifdef CONFIG_CHELSIO_T4_FCOE
647 #include "cxgb4_fcoe.h"
648 #endif /* CONFIG_CHELSIO_T4_FCOE */
649 
650 struct port_info {
651 	struct adapter *adapter;
652 	u16    viid;
653 	int    xact_addr_filt;        /* index of exact MAC address filter */
654 	u16    rss_size;              /* size of VI's RSS table slice */
655 	s8     mdio_addr;
656 	enum fw_port_type port_type;
657 	u8     mod_type;
658 	u8     port_id;
659 	u8     tx_chan;
660 	u8     lport;                 /* associated offload logical port */
661 	u8     nqsets;                /* # of qsets */
662 	u8     first_qset;            /* index of first qset */
663 	u8     rss_mode;
664 	struct link_config link_cfg;
665 	u16   *rss;
666 	struct port_stats stats_base;
667 #ifdef CONFIG_CHELSIO_T4_DCB
668 	struct port_dcb_info dcb;     /* Data Center Bridging support */
669 #endif
670 #ifdef CONFIG_CHELSIO_T4_FCOE
671 	struct cxgb_fcoe fcoe;
672 #endif /* CONFIG_CHELSIO_T4_FCOE */
673 	bool rxtstamp;  /* Enable TS */
674 	struct hwtstamp_config tstamp_config;
675 	bool ptp_enable;
676 	struct sched_table *sched_tbl;
677 	u32 eth_flags;
678 
679 	/* viid and smt fields either returned by fw
680 	 * or decoded by parsing viid by driver.
681 	 */
682 	u8 vin;
683 	u8 vivld;
684 	u8 smt_idx;
685 	u8 rx_cchan;
686 
687 	bool tc_block_shared;
688 
689 	/* Mirror VI information */
690 	u16 viid_mirror;
691 	u16 nmirrorqsets;
692 	u32 vi_mirror_count;
693 	struct mutex vi_mirror_mutex; /* Sync access to Mirror VI info */
694 	struct cxgb4_ethtool_lb_test ethtool_lb;
695 };
696 
697 struct dentry;
698 struct work_struct;
699 
700 enum {                                 /* adapter flags */
701 	CXGB4_FULL_INIT_DONE		= (1 << 0),
702 	CXGB4_DEV_ENABLED		= (1 << 1),
703 	CXGB4_USING_MSI			= (1 << 2),
704 	CXGB4_USING_MSIX		= (1 << 3),
705 	CXGB4_FW_OK			= (1 << 4),
706 	CXGB4_RSS_TNLALLLOOKUP		= (1 << 5),
707 	CXGB4_USING_SOFT_PARAMS		= (1 << 6),
708 	CXGB4_MASTER_PF			= (1 << 7),
709 	CXGB4_FW_OFLD_CONN		= (1 << 9),
710 	CXGB4_ROOT_NO_RELAXED_ORDERING	= (1 << 10),
711 	CXGB4_SHUTTING_DOWN		= (1 << 11),
712 	CXGB4_SGE_DBQ_TIMER		= (1 << 12),
713 };
714 
715 enum {
716 	ULP_CRYPTO_LOOKASIDE = 1 << 0,
717 	ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
718 	ULP_CRYPTO_KTLS_INLINE  = 1 << 3,
719 };
720 
721 #define CXGB4_MIRROR_RXQ_DEFAULT_DESC_NUM 1024
722 #define CXGB4_MIRROR_RXQ_DEFAULT_DESC_SIZE 64
723 #define CXGB4_MIRROR_RXQ_DEFAULT_INTR_USEC 5
724 #define CXGB4_MIRROR_RXQ_DEFAULT_PKT_CNT 8
725 
726 #define CXGB4_MIRROR_FLQ_DEFAULT_DESC_NUM 72
727 
728 struct rx_sw_desc;
729 
730 struct sge_fl {                     /* SGE free-buffer queue state */
731 	unsigned int avail;         /* # of available Rx buffers */
732 	unsigned int pend_cred;     /* new buffers since last FL DB ring */
733 	unsigned int cidx;          /* consumer index */
734 	unsigned int pidx;          /* producer index */
735 	unsigned long alloc_failed; /* # of times buffer allocation failed */
736 	unsigned long large_alloc_failed;
737 	unsigned long mapping_err;  /* # of RX Buffer DMA Mapping failures */
738 	unsigned long low;          /* # of times momentarily starving */
739 	unsigned long starving;
740 	/* RO fields */
741 	unsigned int cntxt_id;      /* SGE context id for the free list */
742 	unsigned int size;          /* capacity of free list */
743 	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
744 	__be64 *desc;               /* address of HW Rx descriptor ring */
745 	dma_addr_t addr;            /* bus address of HW ring start */
746 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
747 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
748 };
749 
750 /* A packet gather list */
751 struct pkt_gl {
752 	u64 sgetstamp;		    /* SGE Time Stamp for Ingress Packet */
753 	struct page_frag frags[MAX_SKB_FRAGS];
754 	void *va;                         /* virtual address of first byte */
755 	unsigned int nfrags;              /* # of fragments */
756 	unsigned int tot_len;             /* total length of fragments */
757 };
758 
759 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
760 			      const struct pkt_gl *gl);
761 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
762 /* LRO related declarations for ULD */
763 struct t4_lro_mgr {
764 #define MAX_LRO_SESSIONS		64
765 	u8 lro_session_cnt;         /* # of sessions to aggregate */
766 	unsigned long lro_pkts;     /* # of LRO super packets */
767 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
768 	struct sk_buff_head lroq;   /* list of aggregated sessions */
769 };
770 
771 struct sge_rspq {                   /* state for an SGE response queue */
772 	struct napi_struct napi;
773 	const __be64 *cur_desc;     /* current descriptor in queue */
774 	unsigned int cidx;          /* consumer index */
775 	u8 gen;                     /* current generation bit */
776 	u8 intr_params;             /* interrupt holdoff parameters */
777 	u8 next_intr_params;        /* holdoff params for next interrupt */
778 	u8 adaptive_rx;
779 	u8 pktcnt_idx;              /* interrupt packet threshold */
780 	u8 uld;                     /* ULD handling this queue */
781 	u8 idx;                     /* queue index within its group */
782 	int offset;                 /* offset into current Rx buffer */
783 	u16 cntxt_id;               /* SGE context id for the response q */
784 	u16 abs_id;                 /* absolute SGE id for the response q */
785 	__be64 *desc;               /* address of HW response ring */
786 	dma_addr_t phys_addr;       /* physical address of the ring */
787 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
788 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
789 	unsigned int iqe_len;       /* entry size */
790 	unsigned int size;          /* capacity of response queue */
791 	struct adapter *adap;
792 	struct net_device *netdev;  /* associated net device */
793 	rspq_handler_t handler;
794 	rspq_flush_handler_t flush_handler;
795 	struct t4_lro_mgr lro_mgr;
796 };
797 
798 struct sge_eth_stats {              /* Ethernet queue statistics */
799 	unsigned long pkts;         /* # of ethernet packets */
800 	unsigned long lro_pkts;     /* # of LRO super packets */
801 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
802 	unsigned long rx_cso;       /* # of Rx checksum offloads */
803 	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
804 	unsigned long rx_drops;     /* # of packets dropped due to no mem */
805 	unsigned long bad_rx_pkts;  /* # of packets with err_vec!=0 */
806 };
807 
808 struct sge_eth_rxq {                /* SW Ethernet Rx queue */
809 	struct sge_rspq rspq;
810 	struct sge_fl fl;
811 	struct sge_eth_stats stats;
812 	struct msix_info *msix;
813 } ____cacheline_aligned_in_smp;
814 
815 struct sge_ofld_stats {             /* offload queue statistics */
816 	unsigned long pkts;         /* # of packets */
817 	unsigned long imm;          /* # of immediate-data packets */
818 	unsigned long an;           /* # of asynchronous notifications */
819 	unsigned long nomem;        /* # of responses deferred due to no mem */
820 };
821 
822 struct sge_ofld_rxq {               /* SW offload Rx queue */
823 	struct sge_rspq rspq;
824 	struct sge_fl fl;
825 	struct sge_ofld_stats stats;
826 	struct msix_info *msix;
827 } ____cacheline_aligned_in_smp;
828 
829 struct tx_desc {
830 	__be64 flit[8];
831 };
832 
833 struct ulptx_sgl;
834 
835 struct tx_sw_desc {
836 	struct sk_buff *skb; /* SKB to free after getting completion */
837 	dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* DMA mapped addresses */
838 };
839 
840 struct sge_txq {
841 	unsigned int  in_use;       /* # of in-use Tx descriptors */
842 	unsigned int  q_type;	    /* Q type Eth/Ctrl/Ofld */
843 	unsigned int  size;         /* # of descriptors */
844 	unsigned int  cidx;         /* SW consumer index */
845 	unsigned int  pidx;         /* producer index */
846 	unsigned long stops;        /* # of times q has been stopped */
847 	unsigned long restarts;     /* # of queue restarts */
848 	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
849 	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
850 	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
851 	struct sge_qstat *stat;     /* queue status entry */
852 	dma_addr_t    phys_addr;    /* physical address of the ring */
853 	spinlock_t db_lock;
854 	int db_disabled;
855 	unsigned short db_pidx;
856 	unsigned short db_pidx_inc;
857 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
858 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
859 };
860 
861 struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
862 	struct sge_txq q;
863 	struct netdev_queue *txq;   /* associated netdev TX queue */
864 #ifdef CONFIG_CHELSIO_T4_DCB
865 	u8 dcb_prio;		    /* DCB Priority bound to queue */
866 #endif
867 	u8 dbqt;                    /* SGE Doorbell Queue Timer in use */
868 	unsigned int dbqtimerix;    /* SGE Doorbell Queue Timer Index */
869 	unsigned long tso;          /* # of TSO requests */
870 	unsigned long uso;          /* # of USO requests */
871 	unsigned long tx_cso;       /* # of Tx checksum offloads */
872 	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
873 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
874 } ____cacheline_aligned_in_smp;
875 
876 struct sge_uld_txq {               /* state for an SGE offload Tx queue */
877 	struct sge_txq q;
878 	struct adapter *adap;
879 	struct sk_buff_head sendq;  /* list of backpressured packets */
880 	struct tasklet_struct qresume_tsk; /* restarts the queue */
881 	bool service_ofldq_running; /* service_ofldq() is processing sendq */
882 	u8 full;                    /* the Tx ring is full */
883 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
884 } ____cacheline_aligned_in_smp;
885 
886 struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
887 	struct sge_txq q;
888 	struct adapter *adap;
889 	struct sk_buff_head sendq;  /* list of backpressured packets */
890 	struct tasklet_struct qresume_tsk; /* restarts the queue */
891 	u8 full;                    /* the Tx ring is full */
892 } ____cacheline_aligned_in_smp;
893 
894 struct sge_uld_rxq_info {
895 	char name[IFNAMSIZ];	/* name of ULD driver */
896 	struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
897 	u16 *rspq_id;		/* response queue id's of rxq */
898 	u16 nrxq;		/* # of ingress uld queues */
899 	u16 nciq;		/* # of completion queues */
900 	u8 uld;			/* uld type */
901 };
902 
903 struct sge_uld_txq_info {
904 	struct sge_uld_txq *uldtxq; /* Txq's for ULD */
905 	atomic_t users;		/* num users */
906 	u16 ntxq;		/* # of egress uld queues */
907 };
908 
909 /* struct to maintain ULD list to reallocate ULD resources on hotplug */
910 struct cxgb4_uld_list {
911 	struct cxgb4_uld_info uld_info;
912 	struct list_head list_node;
913 	enum cxgb4_uld uld_type;
914 };
915 
916 enum sge_eosw_state {
917 	CXGB4_EO_STATE_CLOSED = 0, /* Not ready to accept traffic */
918 	CXGB4_EO_STATE_FLOWC_OPEN_SEND, /* Send FLOWC open request */
919 	CXGB4_EO_STATE_FLOWC_OPEN_REPLY, /* Waiting for FLOWC open reply */
920 	CXGB4_EO_STATE_ACTIVE, /* Ready to accept traffic */
921 	CXGB4_EO_STATE_FLOWC_CLOSE_SEND, /* Send FLOWC close request */
922 	CXGB4_EO_STATE_FLOWC_CLOSE_REPLY, /* Waiting for FLOWC close reply */
923 };
924 
925 struct sge_eosw_txq {
926 	spinlock_t lock; /* Per queue lock to synchronize completions */
927 	enum sge_eosw_state state; /* Current ETHOFLD State */
928 	struct tx_sw_desc *desc; /* Descriptor ring to hold packets */
929 	u32 ndesc; /* Number of descriptors */
930 	u32 pidx; /* Current Producer Index */
931 	u32 last_pidx; /* Last successfully transmitted Producer Index */
932 	u32 cidx; /* Current Consumer Index */
933 	u32 last_cidx; /* Last successfully reclaimed Consumer Index */
934 	u32 flowc_idx; /* Descriptor containing a FLOWC request */
935 	u32 inuse; /* Number of packets held in ring */
936 
937 	u32 cred; /* Current available credits */
938 	u32 ncompl; /* # of completions posted */
939 	u32 last_compl; /* # of credits consumed since last completion req */
940 
941 	u32 eotid; /* Index into EOTID table in software */
942 	u32 hwtid; /* Hardware EOTID index */
943 
944 	u32 hwqid; /* Underlying hardware queue index */
945 	struct net_device *netdev; /* Pointer to netdevice */
946 	struct tasklet_struct qresume_tsk; /* Restarts the queue */
947 	struct completion completion; /* completion for FLOWC rendezvous */
948 };
949 
950 struct sge_eohw_txq {
951 	spinlock_t lock; /* Per queue lock */
952 	struct sge_txq q; /* HW Txq */
953 	struct adapter *adap; /* Backpointer to adapter */
954 	unsigned long tso; /* # of TSO requests */
955 	unsigned long uso; /* # of USO requests */
956 	unsigned long tx_cso; /* # of Tx checksum offloads */
957 	unsigned long vlan_ins; /* # of Tx VLAN insertions */
958 	unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
959 };
960 
961 struct sge {
962 	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
963 	struct sge_eth_txq ptptxq;
964 	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
965 
966 	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
967 	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
968 	struct sge_uld_rxq_info **uld_rxq_info;
969 	struct sge_uld_txq_info **uld_txq_info;
970 
971 	struct sge_rspq intrq ____cacheline_aligned_in_smp;
972 	spinlock_t intrq_lock;
973 
974 	struct sge_eohw_txq *eohw_txq;
975 	struct sge_ofld_rxq *eohw_rxq;
976 
977 	struct sge_eth_rxq *mirror_rxq[NCHAN];
978 
979 	u16 max_ethqsets;           /* # of available Ethernet queue sets */
980 	u16 ethqsets;               /* # of active Ethernet queue sets */
981 	u16 ethtxq_rover;           /* Tx queue to clean up next */
982 	u16 ofldqsets;              /* # of active ofld queue sets */
983 	u16 nqs_per_uld;	    /* # of Rx queues per ULD */
984 	u16 eoqsets;                /* # of ETHOFLD queues */
985 	u16 mirrorqsets;            /* # of Mirror queues */
986 
987 	u16 timer_val[SGE_NTIMERS];
988 	u8 counter_val[SGE_NCOUNTERS];
989 	u16 dbqtimer_tick;
990 	u16 dbqtimer_val[SGE_NDBQTIMERS];
991 	u32 fl_pg_order;            /* large page allocation size */
992 	u32 stat_len;               /* length of status page at ring end */
993 	u32 pktshift;               /* padding between CPL & packet data */
994 	u32 fl_align;               /* response queue message alignment */
995 	u32 fl_starve_thres;        /* Free List starvation threshold */
996 
997 	struct sge_idma_monitor_state idma_monitor;
998 	unsigned int egr_start;
999 	unsigned int egr_sz;
1000 	unsigned int ingr_start;
1001 	unsigned int ingr_sz;
1002 	void **egr_map;    /* qid->queue egress queue map */
1003 	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
1004 	unsigned long *starving_fl;
1005 	unsigned long *txq_maperr;
1006 	unsigned long *blocked_fl;
1007 	struct timer_list rx_timer; /* refills starving FLs */
1008 	struct timer_list tx_timer; /* checks Tx queues */
1009 
1010 	int fwevtq_msix_idx; /* Index to firmware event queue MSI-X info */
1011 	int nd_msix_idx; /* Index to non-data interrupts MSI-X info */
1012 };
1013 
1014 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
1015 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
1016 
1017 struct l2t_data;
1018 
1019 #ifdef CONFIG_PCI_IOV
1020 
1021 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
1022  * Configuration initialization for T5 only has SR-IOV functionality enabled
1023  * on PF0-3 in order to simplify everything.
1024  */
1025 #define NUM_OF_PF_WITH_SRIOV 4
1026 
1027 #endif
1028 
1029 struct doorbell_stats {
1030 	u32 db_drop;
1031 	u32 db_empty;
1032 	u32 db_full;
1033 };
1034 
1035 struct hash_mac_addr {
1036 	struct list_head list;
1037 	u8 addr[ETH_ALEN];
1038 	unsigned int iface_mac;
1039 };
1040 
1041 struct msix_bmap {
1042 	unsigned long *msix_bmap;
1043 	unsigned int mapsize;
1044 	spinlock_t lock; /* lock for acquiring bitmap */
1045 };
1046 
1047 struct msix_info {
1048 	unsigned short vec;
1049 	char desc[IFNAMSIZ + 10];
1050 	unsigned int idx;
1051 	cpumask_var_t aff_mask;
1052 };
1053 
1054 struct vf_info {
1055 	unsigned char vf_mac_addr[ETH_ALEN];
1056 	unsigned int tx_rate;
1057 	bool pf_set_mac;
1058 	u16 vlan;
1059 	int link_state;
1060 };
1061 
1062 enum {
1063 	HMA_DMA_MAPPED_FLAG = 1
1064 };
1065 
1066 struct hma_data {
1067 	unsigned char flags;
1068 	struct sg_table *sgt;
1069 	dma_addr_t *phy_addr;	/* physical address of the page */
1070 };
1071 
1072 struct mbox_list {
1073 	struct list_head list;
1074 };
1075 
1076 #if IS_ENABLED(CONFIG_THERMAL)
1077 struct ch_thermal {
1078 	struct thermal_zone_device *tzdev;
1079 	int trip_temp;
1080 	int trip_type;
1081 };
1082 #endif
1083 
1084 struct mps_entries_ref {
1085 	struct list_head list;
1086 	u8 addr[ETH_ALEN];
1087 	u8 mask[ETH_ALEN];
1088 	u16 idx;
1089 	refcount_t refcnt;
1090 };
1091 
1092 struct cxgb4_ethtool_filter_info {
1093 	u32 *loc_array; /* Array holding the actual TIDs set to filters */
1094 	unsigned long *bmap; /* Bitmap for managing filters in use */
1095 	u32 in_use; /* # of filters in use */
1096 };
1097 
1098 struct cxgb4_ethtool_filter {
1099 	u32 nentries; /* Adapter wide number of supported filters */
1100 	struct cxgb4_ethtool_filter_info *port; /* Per port entry */
1101 };
1102 
1103 struct adapter {
1104 	void __iomem *regs;
1105 	void __iomem *bar2;
1106 	u32 t4_bar0;
1107 	struct pci_dev *pdev;
1108 	struct device *pdev_dev;
1109 	const char *name;
1110 	unsigned int mbox;
1111 	unsigned int pf;
1112 	unsigned int flags;
1113 	unsigned int adap_idx;
1114 	enum chip_type chip;
1115 	u32 eth_flags;
1116 
1117 	int msg_enable;
1118 	__be16 vxlan_port;
1119 	__be16 geneve_port;
1120 
1121 	struct adapter_params params;
1122 	struct cxgb4_virt_res vres;
1123 	unsigned int swintr;
1124 
1125 	/* MSI-X Info for NIC and OFLD queues */
1126 	struct msix_info *msix_info;
1127 	struct msix_bmap msix_bmap;
1128 
1129 	struct doorbell_stats db_stats;
1130 	struct sge sge;
1131 
1132 	struct net_device *port[MAX_NPORTS];
1133 	u8 chan_map[NCHAN];                   /* channel -> port map */
1134 
1135 	struct vf_info *vfinfo;
1136 	u8 num_vfs;
1137 
1138 	u32 filter_mode;
1139 	unsigned int l2t_start;
1140 	unsigned int l2t_end;
1141 	struct l2t_data *l2t;
1142 	unsigned int clipt_start;
1143 	unsigned int clipt_end;
1144 	struct clip_tbl *clipt;
1145 	unsigned int rawf_start;
1146 	unsigned int rawf_cnt;
1147 	struct smt_data *smt;
1148 	struct cxgb4_uld_info *uld;
1149 	void *uld_handle[CXGB4_ULD_MAX];
1150 	unsigned int num_uld;
1151 	unsigned int num_ofld_uld;
1152 	struct list_head list_node;
1153 	struct list_head rcu_node;
1154 	struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
1155 	struct list_head mps_ref;
1156 	spinlock_t mps_ref_lock; /* lock for syncing mps ref/def activities */
1157 
1158 	void *iscsi_ppm;
1159 
1160 	struct tid_info tids;
1161 	void **tid_release_head;
1162 	spinlock_t tid_release_lock;
1163 	struct workqueue_struct *workq;
1164 	struct work_struct tid_release_task;
1165 	struct work_struct db_full_task;
1166 	struct work_struct db_drop_task;
1167 	struct work_struct fatal_err_notify_task;
1168 	bool tid_release_task_busy;
1169 
1170 	/* lock for mailbox cmd list */
1171 	spinlock_t mbox_lock;
1172 	struct mbox_list mlist;
1173 
1174 	/* support for mailbox command/reply logging */
1175 #define T4_OS_LOG_MBOX_CMDS 256
1176 	struct mbox_cmd_log *mbox_log;
1177 
1178 	struct mutex uld_mutex;
1179 
1180 	struct dentry *debugfs_root;
1181 	bool use_bd;     /* Use SGE Back Door intfc for reading SGE Contexts */
1182 	bool trace_rss;	/* 1 implies that different RSS flit per filter is
1183 			 * used per filter else if 0 default RSS flit is
1184 			 * used for all 4 filters.
1185 			 */
1186 
1187 	struct ptp_clock *ptp_clock;
1188 	struct ptp_clock_info ptp_clock_info;
1189 	struct sk_buff *ptp_tx_skb;
1190 	/* ptp lock */
1191 	spinlock_t ptp_lock;
1192 	spinlock_t stats_lock;
1193 	spinlock_t win0_lock ____cacheline_aligned_in_smp;
1194 
1195 	/* TC u32 offload */
1196 	struct cxgb4_tc_u32_table *tc_u32;
1197 	struct chcr_ktls chcr_ktls;
1198 	struct chcr_stats_debug chcr_stats;
1199 
1200 	/* TC flower offload */
1201 	bool tc_flower_initialized;
1202 	struct rhashtable flower_tbl;
1203 	struct rhashtable_params flower_ht_params;
1204 	struct timer_list flower_stats_timer;
1205 	struct work_struct flower_stats_work;
1206 
1207 	/* Ethtool Dump */
1208 	struct ethtool_dump eth_dump;
1209 
1210 	/* HMA */
1211 	struct hma_data hma;
1212 
1213 	struct srq_data *srq;
1214 
1215 	/* Dump buffer for collecting logs in kdump kernel */
1216 	struct vmcoredd_data vmcoredd;
1217 #if IS_ENABLED(CONFIG_THERMAL)
1218 	struct ch_thermal ch_thermal;
1219 #endif
1220 
1221 	/* TC MQPRIO offload */
1222 	struct cxgb4_tc_mqprio *tc_mqprio;
1223 
1224 	/* TC MATCHALL classifier offload */
1225 	struct cxgb4_tc_matchall *tc_matchall;
1226 
1227 	/* Ethtool n-tuple */
1228 	struct cxgb4_ethtool_filter *ethtool_filters;
1229 };
1230 
1231 /* Support for "sched-class" command to allow a TX Scheduling Class to be
1232  * programmed with various parameters.
1233  */
1234 struct ch_sched_params {
1235 	u8   type;                     /* packet or flow */
1236 	union {
1237 		struct {
1238 			u8   level;    /* scheduler hierarchy level */
1239 			u8   mode;     /* per-class or per-flow */
1240 			u8   rateunit; /* bit or packet rate */
1241 			u8   ratemode; /* %port relative or kbps absolute */
1242 			u8   channel;  /* scheduler channel [0..N] */
1243 			u8   class;    /* scheduler class [0..N] */
1244 			u32  minrate;  /* minimum rate */
1245 			u32  maxrate;  /* maximum rate */
1246 			u16  weight;   /* percent weight */
1247 			u16  pktsize;  /* average packet size */
1248 			u16  burstsize;  /* burst buffer size */
1249 		} params;
1250 	} u;
1251 };
1252 
1253 enum {
1254 	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
1255 };
1256 
1257 enum {
1258 	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
1259 	SCHED_CLASS_LEVEL_CH_RL = 2,    /* channel rate limiter */
1260 };
1261 
1262 enum {
1263 	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
1264 	SCHED_CLASS_MODE_FLOW,          /* per-flow scheduling */
1265 };
1266 
1267 enum {
1268 	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
1269 };
1270 
1271 enum {
1272 	SCHED_CLASS_RATEMODE_ABS = 1,   /* Kb/s */
1273 };
1274 
1275 /* Support for "sched_queue" command to allow one or more NIC TX Queues
1276  * to be bound to a TX Scheduling Class.
1277  */
1278 struct ch_sched_queue {
1279 	s8   queue;    /* queue index */
1280 	s8   class;    /* class index */
1281 };
1282 
1283 /* Support for "sched_flowc" command to allow one or more FLOWC
1284  * to be bound to a TX Scheduling Class.
1285  */
1286 struct ch_sched_flowc {
1287 	s32 tid;   /* TID to bind */
1288 	s8  class; /* class index */
1289 };
1290 
1291 /* Defined bit width of user definable filter tuples
1292  */
1293 #define ETHTYPE_BITWIDTH 16
1294 #define FRAG_BITWIDTH 1
1295 #define MACIDX_BITWIDTH 9
1296 #define FCOE_BITWIDTH 1
1297 #define IPORT_BITWIDTH 3
1298 #define MATCHTYPE_BITWIDTH 3
1299 #define PROTO_BITWIDTH 8
1300 #define TOS_BITWIDTH 8
1301 #define PF_BITWIDTH 8
1302 #define VF_BITWIDTH 8
1303 #define IVLAN_BITWIDTH 16
1304 #define OVLAN_BITWIDTH 16
1305 #define ENCAP_VNI_BITWIDTH 24
1306 
1307 /* Filter matching rules.  These consist of a set of ingress packet field
1308  * (value, mask) tuples.  The associated ingress packet field matches the
1309  * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
1310  * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
1311  * matches an ingress packet when all of the individual individual field
1312  * matching rules are true.
1313  *
1314  * Partial field masks are always valid, however, while it may be easy to
1315  * understand their meanings for some fields (e.g. IP address to match a
1316  * subnet), for others making sensible partial masks is less intuitive (e.g.
1317  * MPS match type) ...
1318  *
1319  * Most of the following data structures are modeled on T4 capabilities.
1320  * Drivers for earlier chips use the subsets which make sense for those chips.
1321  * We really need to come up with a hardware-independent mechanism to
1322  * represent hardware filter capabilities ...
1323  */
1324 struct ch_filter_tuple {
1325 	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
1326 	 * register selects which of these fields will participate in the
1327 	 * filter match rules -- up to a maximum of 36 bits.  Because
1328 	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1329 	 * set of fields.
1330 	 */
1331 	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
1332 	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
1333 	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
1334 	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
1335 	uint32_t pfvf_vld:1;                    /* PF/VF valid */
1336 	uint32_t encap_vld:1;			/* Encapsulation valid */
1337 	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
1338 	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
1339 	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
1340 	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
1341 	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
1342 	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
1343 	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
1344 	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
1345 	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
1346 	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
1347 	uint32_t vni:ENCAP_VNI_BITWIDTH;	/* VNI of tunnel */
1348 
1349 	/* Uncompressed header matching field rules.  These are always
1350 	 * available for field rules.
1351 	 */
1352 	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
1353 	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
1354 	uint16_t lport;         /* local port */
1355 	uint16_t fport;         /* foreign port */
1356 };
1357 
1358 /* A filter ioctl command.
1359  */
1360 struct ch_filter_specification {
1361 	/* Administrative fields for filter.
1362 	 */
1363 	uint32_t hitcnts:1;     /* count filter hits in TCB */
1364 	uint32_t prio:1;        /* filter has priority over active/server */
1365 
1366 	/* Fundamental filter typing.  This is the one element of filter
1367 	 * matching that doesn't exist as a (value, mask) tuple.
1368 	 */
1369 	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
1370 	u32 hash:1;		/* 0 => wild-card, 1 => exact-match */
1371 
1372 	/* Packet dispatch information.  Ingress packets which match the
1373 	 * filter rules will be dropped, passed to the host or switched back
1374 	 * out as egress packets.
1375 	 */
1376 	uint32_t action:2;      /* drop, pass, switch */
1377 
1378 	uint32_t rpttid:1;      /* report TID in RSS hash field */
1379 
1380 	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
1381 	uint32_t iq:10;         /* ingress queue */
1382 
1383 	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
1384 	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1385 				/*             1 => TCB contains IQ ID */
1386 
1387 	/* Switch proxy/rewrite fields.  An ingress packet which matches a
1388 	 * filter with "switch" set will be looped back out as an egress
1389 	 * packet -- potentially with some Ethernet header rewriting.
1390 	 */
1391 	uint32_t eport:2;       /* egress port to switch packet out */
1392 	uint32_t newdmac:1;     /* rewrite destination MAC address */
1393 	uint32_t newsmac:1;     /* rewrite source MAC address */
1394 	uint32_t newvlan:2;     /* rewrite VLAN Tag */
1395 	uint32_t nat_mode:3;    /* specify NAT operation mode */
1396 	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1397 	uint8_t smac[ETH_ALEN]; /* new source MAC address */
1398 	uint16_t vlan;          /* VLAN Tag to insert */
1399 
1400 	u8 nat_lip[16];		/* local IP to use after NAT'ing */
1401 	u8 nat_fip[16];		/* foreign IP to use after NAT'ing */
1402 	u16 nat_lport;		/* local port to use after NAT'ing */
1403 	u16 nat_fport;		/* foreign port to use after NAT'ing */
1404 
1405 	u32 tc_prio;		/* TC's filter priority index */
1406 	u64 tc_cookie;		/* Unique cookie identifying TC rules */
1407 
1408 	/* reservation for future additions */
1409 	u8 rsvd[12];
1410 
1411 	/* Filter rule value/mask pairs.
1412 	 */
1413 	struct ch_filter_tuple val;
1414 	struct ch_filter_tuple mask;
1415 };
1416 
1417 enum {
1418 	FILTER_PASS = 0,        /* default */
1419 	FILTER_DROP,
1420 	FILTER_SWITCH
1421 };
1422 
1423 enum {
1424 	VLAN_NOCHANGE = 0,      /* default */
1425 	VLAN_REMOVE,
1426 	VLAN_INSERT,
1427 	VLAN_REWRITE
1428 };
1429 
1430 enum {
1431 	NAT_MODE_NONE = 0,	/* No NAT performed */
1432 	NAT_MODE_DIP,		/* NAT on Dst IP */
1433 	NAT_MODE_DIP_DP,	/* NAT on Dst IP, Dst Port */
1434 	NAT_MODE_DIP_DP_SIP,	/* NAT on Dst IP, Dst Port and Src IP */
1435 	NAT_MODE_DIP_DP_SP,	/* NAT on Dst IP, Dst Port and Src Port */
1436 	NAT_MODE_SIP_SP,	/* NAT on Src IP and Src Port */
1437 	NAT_MODE_DIP_SIP_SP,	/* NAT on Dst IP, Src IP and Src Port */
1438 	NAT_MODE_ALL		/* NAT on entire 4-tuple */
1439 };
1440 
1441 #define CXGB4_FILTER_TYPE_MAX 2
1442 
1443 /* Host shadow copy of ingress filter entry.  This is in host native format
1444  * and doesn't match the ordering or bit order, etc. of the hardware of the
1445  * firmware command.  The use of bit-field structure elements is purely to
1446  * remind ourselves of the field size limitations and save memory in the case
1447  * where the filter table is large.
1448  */
1449 struct filter_entry {
1450 	/* Administrative fields for filter. */
1451 	u32 valid:1;            /* filter allocated and valid */
1452 	u32 locked:1;           /* filter is administratively locked */
1453 
1454 	u32 pending:1;          /* filter action is pending firmware reply */
1455 	struct filter_ctx *ctx; /* Caller's completion hook */
1456 	struct l2t_entry *l2t;  /* Layer Two Table entry for dmac */
1457 	struct smt_entry *smt;  /* Source Mac Table entry for smac */
1458 	struct net_device *dev; /* Associated net device */
1459 	u32 tid;                /* This will store the actual tid */
1460 
1461 	/* The filter itself.  Most of this is a straight copy of information
1462 	 * provided by the extended ioctl().  Some fields are translated to
1463 	 * internal forms -- for instance the Ingress Queue ID passed in from
1464 	 * the ioctl() is translated into the Absolute Ingress Queue ID.
1465 	 */
1466 	struct ch_filter_specification fs;
1467 };
1468 
1469 static inline int is_offload(const struct adapter *adap)
1470 {
1471 	return adap->params.offload;
1472 }
1473 
1474 static inline int is_hashfilter(const struct adapter *adap)
1475 {
1476 	return adap->params.hash_filter;
1477 }
1478 
1479 static inline int is_pci_uld(const struct adapter *adap)
1480 {
1481 	return adap->params.crypto;
1482 }
1483 
1484 static inline int is_uld(const struct adapter *adap)
1485 {
1486 	return (adap->params.offload || adap->params.crypto);
1487 }
1488 
1489 static inline int is_ethofld(const struct adapter *adap)
1490 {
1491 	return adap->params.ethofld;
1492 }
1493 
1494 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1495 {
1496 	return readl(adap->regs + reg_addr);
1497 }
1498 
1499 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1500 {
1501 	writel(val, adap->regs + reg_addr);
1502 }
1503 
1504 #ifndef readq
1505 static inline u64 readq(const volatile void __iomem *addr)
1506 {
1507 	return readl(addr) + ((u64)readl(addr + 4) << 32);
1508 }
1509 
1510 static inline void writeq(u64 val, volatile void __iomem *addr)
1511 {
1512 	writel(val, addr);
1513 	writel(val >> 32, addr + 4);
1514 }
1515 #endif
1516 
1517 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1518 {
1519 	return readq(adap->regs + reg_addr);
1520 }
1521 
1522 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1523 {
1524 	writeq(val, adap->regs + reg_addr);
1525 }
1526 
1527 /**
1528  * t4_set_hw_addr - store a port's MAC address in SW
1529  * @adapter: the adapter
1530  * @port_idx: the port index
1531  * @hw_addr: the Ethernet address
1532  *
1533  * Store the Ethernet address of the given port in SW.  Called by the common
1534  * code when it retrieves a port's Ethernet address from EEPROM.
1535  */
1536 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1537 				  u8 hw_addr[])
1538 {
1539 	ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1540 	ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1541 }
1542 
1543 /**
1544  * netdev2pinfo - return the port_info structure associated with a net_device
1545  * @dev: the netdev
1546  *
1547  * Return the struct port_info associated with a net_device
1548  */
1549 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1550 {
1551 	return netdev_priv(dev);
1552 }
1553 
1554 /**
1555  * adap2pinfo - return the port_info of a port
1556  * @adap: the adapter
1557  * @idx: the port index
1558  *
1559  * Return the port_info structure for the port of the given index.
1560  */
1561 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1562 {
1563 	return netdev_priv(adap->port[idx]);
1564 }
1565 
1566 /**
1567  * netdev2adap - return the adapter structure associated with a net_device
1568  * @dev: the netdev
1569  *
1570  * Return the struct adapter associated with a net_device
1571  */
1572 static inline struct adapter *netdev2adap(const struct net_device *dev)
1573 {
1574 	return netdev2pinfo(dev)->adapter;
1575 }
1576 
1577 /* Return a version number to identify the type of adapter.  The scheme is:
1578  * - bits 0..9: chip version
1579  * - bits 10..15: chip revision
1580  * - bits 16..23: register dump version
1581  */
1582 static inline unsigned int mk_adap_vers(struct adapter *ap)
1583 {
1584 	return CHELSIO_CHIP_VERSION(ap->params.chip) |
1585 		(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1586 }
1587 
1588 /* Return a queue's interrupt hold-off time in us.  0 means no timer. */
1589 static inline unsigned int qtimer_val(const struct adapter *adap,
1590 				      const struct sge_rspq *q)
1591 {
1592 	unsigned int idx = q->intr_params >> 1;
1593 
1594 	return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1595 }
1596 
1597 /* driver name used for ethtool_drvinfo */
1598 extern char cxgb4_driver_name[];
1599 
1600 void t4_os_portmod_changed(struct adapter *adap, int port_id);
1601 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1602 
1603 void t4_free_sge_resources(struct adapter *adap);
1604 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1605 irq_handler_t t4_intr_handler(struct adapter *adap);
1606 netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1607 int cxgb4_selftest_lb_pkt(struct net_device *netdev);
1608 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1609 		     const struct pkt_gl *gl);
1610 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1611 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1612 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1613 		     struct net_device *dev, int intr_idx,
1614 		     struct sge_fl *fl, rspq_handler_t hnd,
1615 		     rspq_flush_handler_t flush_handler, int cong);
1616 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1617 			 struct net_device *dev, struct netdev_queue *netdevq,
1618 			 unsigned int iqid, u8 dbqt);
1619 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1620 			  struct net_device *dev, unsigned int iqid,
1621 			  unsigned int cmplqid);
1622 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1623 			unsigned int cmplqid);
1624 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1625 			 struct net_device *dev, unsigned int iqid,
1626 			 unsigned int uld_type);
1627 int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq,
1628 			     struct net_device *dev, u32 iqid);
1629 void t4_sge_free_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq);
1630 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1631 int t4_sge_init(struct adapter *adap);
1632 void t4_sge_start(struct adapter *adap);
1633 void t4_sge_stop(struct adapter *adap);
1634 int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1635 				 int maxreclaim);
1636 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1637 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1638 enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1639 extern int dbfifo_int_thresh;
1640 
1641 #define for_each_port(adapter, iter) \
1642 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1643 
1644 static inline int is_bypass(struct adapter *adap)
1645 {
1646 	return adap->params.bypass;
1647 }
1648 
1649 static inline int is_bypass_device(int device)
1650 {
1651 	/* this should be set based upon device capabilities */
1652 	switch (device) {
1653 	case 0x440b:
1654 	case 0x440c:
1655 		return 1;
1656 	default:
1657 		return 0;
1658 	}
1659 }
1660 
1661 static inline int is_10gbt_device(int device)
1662 {
1663 	/* this should be set based upon device capabilities */
1664 	switch (device) {
1665 	case 0x4409:
1666 	case 0x4486:
1667 		return 1;
1668 
1669 	default:
1670 		return 0;
1671 	}
1672 }
1673 
1674 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1675 {
1676 	return adap->params.vpd.cclk / 1000;
1677 }
1678 
1679 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1680 					    unsigned int us)
1681 {
1682 	return (us * adap->params.vpd.cclk) / 1000;
1683 }
1684 
1685 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1686 					    unsigned int ticks)
1687 {
1688 	/* add Core Clock / 2 to round ticks to nearest uS */
1689 	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1690 		adapter->params.vpd.cclk);
1691 }
1692 
1693 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1694 					      unsigned int ticks)
1695 {
1696 	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1697 }
1698 
1699 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1700 		      u32 val);
1701 
1702 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1703 			    int size, void *rpl, bool sleep_ok, int timeout);
1704 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1705 		    void *rpl, bool sleep_ok);
1706 
1707 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1708 				     const void *cmd, int size, void *rpl,
1709 				     int timeout)
1710 {
1711 	return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1712 				       timeout);
1713 }
1714 
1715 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1716 			     int size, void *rpl)
1717 {
1718 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1719 }
1720 
1721 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1722 				int size, void *rpl)
1723 {
1724 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1725 }
1726 
1727 /**
1728  *	hash_mac_addr - return the hash value of a MAC address
1729  *	@addr: the 48-bit Ethernet MAC address
1730  *
1731  *	Hashes a MAC address according to the hash function used by HW inexact
1732  *	(hash) address matching.
1733  */
1734 static inline int hash_mac_addr(const u8 *addr)
1735 {
1736 	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1737 	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1738 
1739 	a ^= b;
1740 	a ^= (a >> 12);
1741 	a ^= (a >> 6);
1742 	return a & 0x3f;
1743 }
1744 
1745 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1746 			       unsigned int cnt);
1747 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1748 			     unsigned int us, unsigned int cnt,
1749 			     unsigned int size, unsigned int iqe_size)
1750 {
1751 	q->adap = adap;
1752 	cxgb4_set_rspq_intr_params(q, us, cnt);
1753 	q->iqe_len = iqe_size;
1754 	q->size = size;
1755 }
1756 
1757 /**
1758  *     t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1759  *     @fw_mod_type: the Firmware Mofule Type
1760  *
1761  *     Return whether the Firmware Module Type represents a real Transceiver
1762  *     Module/Cable Module Type which has been inserted.
1763  */
1764 static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1765 {
1766 	return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1767 		fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1768 		fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1769 		fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1770 }
1771 
1772 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1773 		       unsigned int data_reg, const u32 *vals,
1774 		       unsigned int nregs, unsigned int start_idx);
1775 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1776 		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1777 		      unsigned int start_idx);
1778 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1779 
1780 struct fw_filter_wr;
1781 
1782 void t4_intr_enable(struct adapter *adapter);
1783 void t4_intr_disable(struct adapter *adapter);
1784 int t4_slow_intr_handler(struct adapter *adapter);
1785 
1786 int t4_wait_dev_ready(void __iomem *regs);
1787 
1788 fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1789 			      struct link_config *lc);
1790 int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1791 		       unsigned int port, struct link_config *lc,
1792 		       u8 sleep_ok, int timeout);
1793 
1794 static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1795 				unsigned int port, struct link_config *lc)
1796 {
1797 	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1798 				  true, FW_CMD_MAX_TIMEOUT);
1799 }
1800 
1801 static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1802 				   unsigned int port, struct link_config *lc)
1803 {
1804 	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1805 				  false, FW_CMD_MAX_TIMEOUT);
1806 }
1807 
1808 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1809 
1810 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1811 u32 t4_get_util_window(struct adapter *adap);
1812 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1813 
1814 int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1815 		      u32 *mem_base, u32 *mem_aperture);
1816 void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1817 void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1818 			   int dir);
1819 #define T4_MEMORY_WRITE	0
1820 #define T4_MEMORY_READ	1
1821 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1822 		 void *buf, int dir);
1823 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1824 				  u32 len, __be32 *buf)
1825 {
1826 	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1827 }
1828 
1829 unsigned int t4_get_regs_len(struct adapter *adapter);
1830 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1831 
1832 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1833 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1834 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1835 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1836 int t4_get_pfres(struct adapter *adapter);
1837 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1838 		  unsigned int nwords, u32 *data, int byte_oriented);
1839 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1840 int t4_load_phy_fw(struct adapter *adap, int win,
1841 		   int (*phy_fw_version)(const u8 *, size_t),
1842 		   const u8 *phy_fw_data, size_t phy_fw_size);
1843 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1844 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1845 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1846 		  const u8 *fw_data, unsigned int size, int force);
1847 int t4_fl_pkt_align(struct adapter *adap);
1848 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1849 int t4_check_fw_version(struct adapter *adap);
1850 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1851 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1852 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1853 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1854 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1855 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1856 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1857 int t4_get_version_info(struct adapter *adapter);
1858 void t4_dump_version_info(struct adapter *adapter);
1859 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1860 	       const u8 *fw_data, unsigned int fw_size,
1861 	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1862 int t4_prep_adapter(struct adapter *adapter);
1863 int t4_shutdown_adapter(struct adapter *adapter);
1864 
1865 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1866 int t4_bar2_sge_qregs(struct adapter *adapter,
1867 		      unsigned int qid,
1868 		      enum t4_bar2_qtype qtype,
1869 		      int user,
1870 		      u64 *pbar2_qoffset,
1871 		      unsigned int *pbar2_qid);
1872 
1873 unsigned int qtimer_val(const struct adapter *adap,
1874 			const struct sge_rspq *q);
1875 
1876 int t4_init_devlog_params(struct adapter *adapter);
1877 int t4_init_sge_params(struct adapter *adapter);
1878 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1879 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1880 int t4_init_rss_mode(struct adapter *adap, int mbox);
1881 int t4_init_portinfo(struct port_info *pi, int mbox,
1882 		     int port, int pf, int vf, u8 mac[]);
1883 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1884 int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
1885 			u16 *mirror_viid);
1886 void t4_fatal_err(struct adapter *adapter);
1887 unsigned int t4_chip_rss_size(struct adapter *adapter);
1888 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1889 			int start, int n, const u16 *rspq, unsigned int nrspq);
1890 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1891 		       unsigned int flags);
1892 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1893 		     unsigned int flags, unsigned int defq);
1894 int t4_read_rss(struct adapter *adapter, u16 *entries);
1895 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1896 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1897 		      bool sleep_ok);
1898 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1899 			   u32 *valp, bool sleep_ok);
1900 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1901 			   u32 *vfl, u32 *vfh, bool sleep_ok);
1902 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1903 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1904 
1905 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1906 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1907 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1908 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1909 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1910 		    size_t n);
1911 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1912 		    size_t n);
1913 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1914 		unsigned int *valp);
1915 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1916 		 const unsigned int *valp);
1917 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1918 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1919 			unsigned int *pif_req_wrptr,
1920 			unsigned int *pif_rsp_wrptr);
1921 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1922 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1923 const char *t4_get_port_type_description(enum fw_port_type port_type);
1924 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1925 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1926 			      struct port_stats *stats,
1927 			      struct port_stats *offset);
1928 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1929 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1930 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1931 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1932 			    unsigned int mask, unsigned int val);
1933 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1934 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1935 			 bool sleep_ok);
1936 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1937 			 bool sleep_ok);
1938 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1939 			  bool sleep_ok);
1940 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1941 		      bool sleep_ok);
1942 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1943 			 struct tp_tcp_stats *v6, bool sleep_ok);
1944 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1945 		       struct tp_fcoe_stats *st, bool sleep_ok);
1946 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1947 		  const unsigned short *alpha, const unsigned short *beta);
1948 
1949 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1950 
1951 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1952 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1953 
1954 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1955 			 const u8 *addr);
1956 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1957 		      u64 mask0, u64 mask1, unsigned int crc, bool enable);
1958 
1959 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1960 		enum dev_master master, enum dev_state *state);
1961 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1962 int t4_early_init(struct adapter *adap, unsigned int mbox);
1963 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1964 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1965 			  unsigned int cache_line_size);
1966 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1967 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1968 		    unsigned int vf, unsigned int nparams, const u32 *params,
1969 		    u32 *val);
1970 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1971 		       unsigned int vf, unsigned int nparams, const u32 *params,
1972 		       u32 *val);
1973 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1974 		       unsigned int vf, unsigned int nparams, const u32 *params,
1975 		       u32 *val, int rw, bool sleep_ok);
1976 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1977 			  unsigned int pf, unsigned int vf,
1978 			  unsigned int nparams, const u32 *params,
1979 			  const u32 *val, int timeout);
1980 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1981 		  unsigned int vf, unsigned int nparams, const u32 *params,
1982 		  const u32 *val);
1983 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1984 		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1985 		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1986 		unsigned int vi, unsigned int cmask, unsigned int pmask,
1987 		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1988 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1989 		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1990 		unsigned int *rss_size, u8 *vivld, u8 *vin);
1991 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1992 	       unsigned int pf, unsigned int vf,
1993 	       unsigned int viid);
1994 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1995 		  unsigned int viid_mirror, int mtu, int promisc, int all_multi,
1996 		  int bcast, int vlanex, bool sleep_ok);
1997 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
1998 			 const u8 *addr, const u8 *mask, unsigned int idx,
1999 			 u8 lookup_type, u8 port_id, bool sleep_ok);
2000 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
2001 			   bool sleep_ok);
2002 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2003 			    const u8 *addr, const u8 *mask, unsigned int vni,
2004 			    unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
2005 			    bool sleep_ok);
2006 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
2007 			  const u8 *addr, const u8 *mask, unsigned int idx,
2008 			  u8 lookup_type, u8 port_id, bool sleep_ok);
2009 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
2010 		      unsigned int viid, bool free, unsigned int naddr,
2011 		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
2012 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
2013 		     unsigned int viid, unsigned int naddr,
2014 		     const u8 **addr, bool sleep_ok);
2015 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
2016 		  int idx, const u8 *addr, bool persist, u8 *smt_idx);
2017 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
2018 		     bool ucast, u64 vec, bool sleep_ok);
2019 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
2020 			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
2021 int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
2022 			struct port_info *pi,
2023 			bool rx_en, bool tx_en, bool dcb_en);
2024 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
2025 		 bool rx_en, bool tx_en);
2026 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
2027 		     unsigned int nblinks);
2028 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2029 	       unsigned int mmd, unsigned int reg, u16 *valp);
2030 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2031 	       unsigned int mmd, unsigned int reg, u16 val);
2032 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
2033 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
2034 	       unsigned int fl0id, unsigned int fl1id);
2035 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2036 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
2037 	       unsigned int fl0id, unsigned int fl1id);
2038 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2039 		   unsigned int vf, unsigned int eqid);
2040 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2041 		    unsigned int vf, unsigned int eqid);
2042 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2043 		    unsigned int vf, unsigned int eqid);
2044 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
2045 int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
2046 			  u16 *dbqtimers);
2047 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
2048 int t4_update_port_info(struct port_info *pi);
2049 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
2050 		       unsigned int *speedp, unsigned int *mtup);
2051 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
2052 void t4_db_full(struct adapter *adapter);
2053 void t4_db_dropped(struct adapter *adapter);
2054 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
2055 			int filter_index, int enable);
2056 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
2057 			 int filter_index, int *enabled);
2058 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
2059 			 u32 addr, u32 val);
2060 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
2061 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
2062 		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
2063 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
2064 		   enum ctxt_type ctype, u32 *data);
2065 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
2066 		      enum ctxt_type ctype, u32 *data);
2067 int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
2068 		    u8 rateunit, u8 ratemode, u8 channel, u8 class,
2069 		    u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
2070 		    u16 burstsize);
2071 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
2072 void t4_idma_monitor_init(struct adapter *adapter,
2073 			  struct sge_idma_monitor_state *idma);
2074 void t4_idma_monitor(struct adapter *adapter,
2075 		     struct sge_idma_monitor_state *idma,
2076 		     int hz, int ticks);
2077 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
2078 		      unsigned int naddr, u8 *addr);
2079 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2080 		    u32 start_index, bool sleep_ok);
2081 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2082 		       u32 start_index, bool sleep_ok);
2083 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
2084 		    u32 start_index, bool sleep_ok);
2085 
2086 void t4_uld_mem_free(struct adapter *adap);
2087 int t4_uld_mem_alloc(struct adapter *adap);
2088 void t4_uld_clean_up(struct adapter *adap);
2089 void t4_register_netevent_notifier(void);
2090 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
2091 	      unsigned int devid, unsigned int offset,
2092 	      unsigned int len, u8 *buf);
2093 int t4_load_boot(struct adapter *adap, u8 *boot_data,
2094 		 unsigned int boot_addr, unsigned int size);
2095 int t4_load_bootcfg(struct adapter *adap,
2096 		    const u8 *cfg_data, unsigned int size);
2097 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
2098 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
2099 		  unsigned int n, bool unmap);
2100 void cxgb4_eosw_txq_free_desc(struct adapter *adap, struct sge_eosw_txq *txq,
2101 			      u32 ndesc);
2102 int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc);
2103 void cxgb4_ethofld_restart(unsigned long data);
2104 int cxgb4_ethofld_rx_handler(struct sge_rspq *q, const __be64 *rsp,
2105 			     const struct pkt_gl *si);
2106 void free_txq(struct adapter *adap, struct sge_txq *q);
2107 void cxgb4_reclaim_completed_tx(struct adapter *adap,
2108 				struct sge_txq *q, bool unmap);
2109 int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
2110 		  dma_addr_t *addr);
2111 void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
2112 			 void *pos);
2113 void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
2114 		     struct ulptx_sgl *sgl, u64 *end, unsigned int start,
2115 		     const dma_addr_t *addr);
2116 void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
2117 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
2118 		    u16 vlan);
2119 int cxgb4_dcb_enabled(const struct net_device *dev);
2120 
2121 int cxgb4_thermal_init(struct adapter *adap);
2122 int cxgb4_thermal_remove(struct adapter *adap);
2123 int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
2124 		       cpumask_var_t *aff_mask, int idx);
2125 void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
2126 
2127 int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
2128 		     int *tcam_idx, const u8 *addr,
2129 		     bool persistent, u8 *smt_idx);
2130 
2131 int cxgb4_alloc_mac_filt(struct adapter *adap, unsigned int viid,
2132 			 bool free, unsigned int naddr,
2133 			 const u8 **addr, u16 *idx,
2134 			 u64 *hash, bool sleep_ok);
2135 int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
2136 			unsigned int naddr, const u8 **addr, bool sleep_ok);
2137 int cxgb4_init_mps_ref_entries(struct adapter *adap);
2138 void cxgb4_free_mps_ref_entries(struct adapter *adap);
2139 int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2140 			       const u8 *addr, const u8 *mask,
2141 			       unsigned int vni, unsigned int vni_mask,
2142 			       u8 dip_hit, u8 lookup_type, bool sleep_ok);
2143 int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
2144 			      int idx, bool sleep_ok);
2145 int cxgb4_free_raw_mac_filt(struct adapter *adap,
2146 			    unsigned int viid,
2147 			    const u8 *addr,
2148 			    const u8 *mask,
2149 			    unsigned int idx,
2150 			    u8 lookup_type,
2151 			    u8 port_id,
2152 			    bool sleep_ok);
2153 int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
2154 			     unsigned int viid,
2155 			     const u8 *addr,
2156 			     const u8 *mask,
2157 			     unsigned int idx,
2158 			     u8 lookup_type,
2159 			     u8 port_id,
2160 			     bool sleep_ok);
2161 int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
2162 			  int *tcam_idx, const u8 *addr,
2163 			  bool persistent, u8 *smt_idx);
2164 int cxgb4_get_msix_idx_from_bmap(struct adapter *adap);
2165 void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, u32 msix_idx);
2166 int cxgb_open(struct net_device *dev);
2167 int cxgb_close(struct net_device *dev);
2168 void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
2169 void cxgb4_quiesce_rx(struct sge_rspq *q);
2170 int cxgb4_port_mirror_alloc(struct net_device *dev);
2171 void cxgb4_port_mirror_free(struct net_device *dev);
2172 #ifdef CONFIG_CHELSIO_TLS_DEVICE
2173 int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
2174 #endif
2175 #endif /* __CXGB4_H__ */
2176