xref: /linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h (revision 3bdab16c55f57a24245c97d707241dd9b48d1a91)
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 
60 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
61 extern struct list_head adapter_list;
62 extern struct mutex uld_mutex;
63 
64 /* Suspend an Ethernet Tx queue with fewer available descriptors than this.
65  * This is the same as calc_tx_descs() for a TSO packet with
66  * nr_frags == MAX_SKB_FRAGS.
67  */
68 #define ETHTXQ_STOP_THRES \
69 	(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
70 
71 enum {
72 	MAX_NPORTS	= 4,     /* max # of ports */
73 	SERNUM_LEN	= 24,    /* Serial # length */
74 	EC_LEN		= 16,    /* E/C length */
75 	ID_LEN		= 16,    /* ID length */
76 	PN_LEN		= 16,    /* Part Number length */
77 	MACADDR_LEN	= 12,    /* MAC Address length */
78 };
79 
80 enum {
81 	T4_REGMAP_SIZE = (160 * 1024),
82 	T5_REGMAP_SIZE = (332 * 1024),
83 };
84 
85 enum {
86 	MEM_EDC0,
87 	MEM_EDC1,
88 	MEM_MC,
89 	MEM_MC0 = MEM_MC,
90 	MEM_MC1,
91 	MEM_HMA,
92 };
93 
94 enum {
95 	MEMWIN0_APERTURE = 2048,
96 	MEMWIN0_BASE     = 0x1b800,
97 	MEMWIN1_APERTURE = 32768,
98 	MEMWIN1_BASE     = 0x28000,
99 	MEMWIN1_BASE_T5  = 0x52000,
100 	MEMWIN2_APERTURE = 65536,
101 	MEMWIN2_BASE     = 0x30000,
102 	MEMWIN2_APERTURE_T5 = 131072,
103 	MEMWIN2_BASE_T5  = 0x60000,
104 };
105 
106 enum dev_master {
107 	MASTER_CANT,
108 	MASTER_MAY,
109 	MASTER_MUST
110 };
111 
112 enum dev_state {
113 	DEV_STATE_UNINIT,
114 	DEV_STATE_INIT,
115 	DEV_STATE_ERR
116 };
117 
118 enum cc_pause {
119 	PAUSE_RX      = 1 << 0,
120 	PAUSE_TX      = 1 << 1,
121 	PAUSE_AUTONEG = 1 << 2
122 };
123 
124 enum cc_fec {
125 	FEC_AUTO      = 1 << 0,	 /* IEEE 802.3 "automatic" */
126 	FEC_RS        = 1 << 1,  /* Reed-Solomon */
127 	FEC_BASER_RS  = 1 << 2   /* BaseR/Reed-Solomon */
128 };
129 
130 struct port_stats {
131 	u64 tx_octets;            /* total # of octets in good frames */
132 	u64 tx_frames;            /* all good frames */
133 	u64 tx_bcast_frames;      /* all broadcast frames */
134 	u64 tx_mcast_frames;      /* all multicast frames */
135 	u64 tx_ucast_frames;      /* all unicast frames */
136 	u64 tx_error_frames;      /* all error frames */
137 
138 	u64 tx_frames_64;         /* # of Tx frames in a particular range */
139 	u64 tx_frames_65_127;
140 	u64 tx_frames_128_255;
141 	u64 tx_frames_256_511;
142 	u64 tx_frames_512_1023;
143 	u64 tx_frames_1024_1518;
144 	u64 tx_frames_1519_max;
145 
146 	u64 tx_drop;              /* # of dropped Tx frames */
147 	u64 tx_pause;             /* # of transmitted pause frames */
148 	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
149 	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
150 	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
151 	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
152 	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
153 	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
154 	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
155 	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
156 
157 	u64 rx_octets;            /* total # of octets in good frames */
158 	u64 rx_frames;            /* all good frames */
159 	u64 rx_bcast_frames;      /* all broadcast frames */
160 	u64 rx_mcast_frames;      /* all multicast frames */
161 	u64 rx_ucast_frames;      /* all unicast frames */
162 	u64 rx_too_long;          /* # of frames exceeding MTU */
163 	u64 rx_jabber;            /* # of jabber frames */
164 	u64 rx_fcs_err;           /* # of received frames with bad FCS */
165 	u64 rx_len_err;           /* # of received frames with length error */
166 	u64 rx_symbol_err;        /* symbol errors */
167 	u64 rx_runt;              /* # of short frames */
168 
169 	u64 rx_frames_64;         /* # of Rx frames in a particular range */
170 	u64 rx_frames_65_127;
171 	u64 rx_frames_128_255;
172 	u64 rx_frames_256_511;
173 	u64 rx_frames_512_1023;
174 	u64 rx_frames_1024_1518;
175 	u64 rx_frames_1519_max;
176 
177 	u64 rx_pause;             /* # of received pause frames */
178 	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
179 	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
180 	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
181 	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
182 	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
183 	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
184 	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
185 	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
186 
187 	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
188 	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
189 	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
190 	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
191 	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
192 	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
193 	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
194 	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
195 };
196 
197 struct lb_port_stats {
198 	u64 octets;
199 	u64 frames;
200 	u64 bcast_frames;
201 	u64 mcast_frames;
202 	u64 ucast_frames;
203 	u64 error_frames;
204 
205 	u64 frames_64;
206 	u64 frames_65_127;
207 	u64 frames_128_255;
208 	u64 frames_256_511;
209 	u64 frames_512_1023;
210 	u64 frames_1024_1518;
211 	u64 frames_1519_max;
212 
213 	u64 drop;
214 
215 	u64 ovflow0;
216 	u64 ovflow1;
217 	u64 ovflow2;
218 	u64 ovflow3;
219 	u64 trunc0;
220 	u64 trunc1;
221 	u64 trunc2;
222 	u64 trunc3;
223 };
224 
225 struct tp_tcp_stats {
226 	u32 tcp_out_rsts;
227 	u64 tcp_in_segs;
228 	u64 tcp_out_segs;
229 	u64 tcp_retrans_segs;
230 };
231 
232 struct tp_usm_stats {
233 	u32 frames;
234 	u32 drops;
235 	u64 octets;
236 };
237 
238 struct tp_fcoe_stats {
239 	u32 frames_ddp;
240 	u32 frames_drop;
241 	u64 octets_ddp;
242 };
243 
244 struct tp_err_stats {
245 	u32 mac_in_errs[4];
246 	u32 hdr_in_errs[4];
247 	u32 tcp_in_errs[4];
248 	u32 tnl_cong_drops[4];
249 	u32 ofld_chan_drops[4];
250 	u32 tnl_tx_drops[4];
251 	u32 ofld_vlan_drops[4];
252 	u32 tcp6_in_errs[4];
253 	u32 ofld_no_neigh;
254 	u32 ofld_cong_defer;
255 };
256 
257 struct tp_cpl_stats {
258 	u32 req[4];
259 	u32 rsp[4];
260 };
261 
262 struct tp_rdma_stats {
263 	u32 rqe_dfr_pkt;
264 	u32 rqe_dfr_mod;
265 };
266 
267 struct sge_params {
268 	u32 hps;			/* host page size for our PF/VF */
269 	u32 eq_qpp;			/* egress queues/page for our PF/VF */
270 	u32 iq_qpp;			/* egress queues/page for our PF/VF */
271 };
272 
273 struct tp_params {
274 	unsigned int tre;            /* log2 of core clocks per TP tick */
275 	unsigned int la_mask;        /* what events are recorded by TP LA */
276 	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
277 				     /* channel map */
278 
279 	uint32_t dack_re;            /* DACK timer resolution */
280 	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
281 
282 	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
283 	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
284 
285 	/* cached TP_OUT_CONFIG compressed error vector
286 	 * and passing outer header info for encapsulated packets.
287 	 */
288 	int rx_pkt_encap;
289 
290 	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
291 	 * subset of the set of fields which may be present in the Compressed
292 	 * Filter Tuple portion of filters and TCP TCB connections.  The
293 	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
294 	 * Since a variable number of fields may or may not be present, their
295 	 * shifted field positions within the Compressed Filter Tuple may
296 	 * vary, or not even be present if the field isn't selected in
297 	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
298 	 * places we store their offsets here, or a -1 if the field isn't
299 	 * present.
300 	 */
301 	int fcoe_shift;
302 	int port_shift;
303 	int vnic_shift;
304 	int vlan_shift;
305 	int tos_shift;
306 	int protocol_shift;
307 	int ethertype_shift;
308 	int macmatch_shift;
309 	int matchtype_shift;
310 	int frag_shift;
311 
312 	u64 hash_filter_mask;
313 };
314 
315 struct vpd_params {
316 	unsigned int cclk;
317 	u8 ec[EC_LEN + 1];
318 	u8 sn[SERNUM_LEN + 1];
319 	u8 id[ID_LEN + 1];
320 	u8 pn[PN_LEN + 1];
321 	u8 na[MACADDR_LEN + 1];
322 };
323 
324 /* Maximum resources provisioned for a PCI PF.
325  */
326 struct pf_resources {
327 	unsigned int nvi;		/* N virtual interfaces */
328 	unsigned int neq;		/* N egress Qs */
329 	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
330 	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
331 	unsigned int niq;		/* N ingress Qs */
332 	unsigned int tc;		/* PCI-E traffic class */
333 	unsigned int pmask;		/* port access rights mask */
334 	unsigned int nexactf;		/* N exact MPS filters */
335 	unsigned int r_caps;		/* read capabilities */
336 	unsigned int wx_caps;		/* write/execute capabilities */
337 };
338 
339 struct pci_params {
340 	unsigned int vpd_cap_addr;
341 	unsigned char speed;
342 	unsigned char width;
343 };
344 
345 struct devlog_params {
346 	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
347 	u32 start;                      /* start of log in firmware memory */
348 	u32 size;                       /* size of log */
349 };
350 
351 /* Stores chip specific parameters */
352 struct arch_specific_params {
353 	u8 nchan;
354 	u8 pm_stats_cnt;
355 	u8 cng_ch_bits_log;		/* congestion channel map bits width */
356 	u16 mps_rplc_size;
357 	u16 vfcount;
358 	u32 sge_fl_db;
359 	u16 mps_tcam_size;
360 };
361 
362 struct adapter_params {
363 	struct sge_params sge;
364 	struct tp_params  tp;
365 	struct vpd_params vpd;
366 	struct pf_resources pfres;
367 	struct pci_params pci;
368 	struct devlog_params devlog;
369 	enum pcie_memwin drv_memwin;
370 
371 	unsigned int cim_la_size;
372 
373 	unsigned int sf_size;             /* serial flash size in bytes */
374 	unsigned int sf_nsec;             /* # of flash sectors */
375 
376 	unsigned int fw_vers;		  /* firmware version */
377 	unsigned int bs_vers;		  /* bootstrap version */
378 	unsigned int tp_vers;		  /* TP microcode version */
379 	unsigned int er_vers;		  /* expansion ROM version */
380 	unsigned int scfg_vers;		  /* Serial Configuration version */
381 	unsigned int vpd_vers;		  /* VPD Version */
382 	u8 api_vers[7];
383 
384 	unsigned short mtus[NMTUS];
385 	unsigned short a_wnd[NCCTRL_WIN];
386 	unsigned short b_wnd[NCCTRL_WIN];
387 
388 	unsigned char nports;             /* # of ethernet ports */
389 	unsigned char portvec;
390 	enum chip_type chip;               /* chip code */
391 	struct arch_specific_params arch;  /* chip specific params */
392 	unsigned char offload;
393 	unsigned char crypto;		/* HW capability for crypto */
394 
395 	unsigned char bypass;
396 	unsigned char hash_filter;
397 
398 	unsigned int ofldq_wr_cred;
399 	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
400 
401 	unsigned int nsched_cls;          /* number of traffic classes */
402 	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
403 	unsigned int max_ird_adapter;     /* Max read depth per adapter */
404 	bool fr_nsmr_tpte_wr_support;	  /* FW support for FR_NSMR_TPTE_WR */
405 	u8 fw_caps_support;		/* 32-bit Port Capabilities */
406 	bool filter2_wr_support;	/* FW support for FILTER2_WR */
407 	unsigned int viid_smt_extn_support:1; /* FW returns vin and smt index */
408 
409 	/* MPS Buffer Group Map[per Port].  Bit i is set if buffer group i is
410 	 * used by the Port
411 	 */
412 	u8 mps_bg_map[MAX_NPORTS];	/* MPS Buffer Group Map */
413 	bool write_w_imm_support;       /* FW supports WRITE_WITH_IMMEDIATE */
414 	bool write_cmpl_support;        /* FW supports WRITE_CMPL */
415 };
416 
417 /* State needed to monitor the forward progress of SGE Ingress DMA activities
418  * and possible hangs.
419  */
420 struct sge_idma_monitor_state {
421 	unsigned int idma_1s_thresh;	/* 1s threshold in Core Clock ticks */
422 	unsigned int idma_stalled[2];	/* synthesized stalled timers in HZ */
423 	unsigned int idma_state[2];	/* IDMA Hang detect state */
424 	unsigned int idma_qid[2];	/* IDMA Hung Ingress Queue ID */
425 	unsigned int idma_warn[2];	/* time to warning in HZ */
426 };
427 
428 /* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
429  * The access and execute times are signed in order to accommodate negative
430  * error returns.
431  */
432 struct mbox_cmd {
433 	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
434 	u64 timestamp;			/* OS-dependent timestamp */
435 	u32 seqno;			/* sequence number */
436 	s16 access;			/* time (ms) to access mailbox */
437 	s16 execute;			/* time (ms) to execute */
438 };
439 
440 struct mbox_cmd_log {
441 	unsigned int size;		/* number of entries in the log */
442 	unsigned int cursor;		/* next position in the log to write */
443 	u32 seqno;			/* next sequence number */
444 	/* variable length mailbox command log starts here */
445 };
446 
447 /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
448  * return a pointer to the specified entry.
449  */
450 static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
451 						  unsigned int entry_idx)
452 {
453 	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
454 }
455 
456 #include "t4fw_api.h"
457 
458 #define FW_VERSION(chip) ( \
459 		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
460 		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
461 		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
462 		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
463 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
464 
465 struct fw_info {
466 	u8 chip;
467 	char *fs_name;
468 	char *fw_mod_name;
469 	struct fw_hdr fw_hdr;
470 };
471 
472 struct trace_params {
473 	u32 data[TRACE_LEN / 4];
474 	u32 mask[TRACE_LEN / 4];
475 	unsigned short snap_len;
476 	unsigned short min_len;
477 	unsigned char skip_ofst;
478 	unsigned char skip_len;
479 	unsigned char invert;
480 	unsigned char port;
481 };
482 
483 /* Firmware Port Capabilities types. */
484 
485 typedef u16 fw_port_cap16_t;	/* 16-bit Port Capabilities integral value */
486 typedef u32 fw_port_cap32_t;	/* 32-bit Port Capabilities integral value */
487 
488 enum fw_caps {
489 	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
490 	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
491 	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
492 };
493 
494 struct link_config {
495 	fw_port_cap32_t pcaps;           /* link capabilities */
496 	fw_port_cap32_t def_acaps;       /* default advertised capabilities */
497 	fw_port_cap32_t acaps;           /* advertised capabilities */
498 	fw_port_cap32_t lpacaps;         /* peer advertised capabilities */
499 
500 	fw_port_cap32_t speed_caps;      /* speed(s) user has requested */
501 	unsigned int   speed;            /* actual link speed (Mb/s) */
502 
503 	enum cc_pause  requested_fc;     /* flow control user has requested */
504 	enum cc_pause  fc;               /* actual link flow control */
505 
506 	enum cc_fec    requested_fec;	 /* Forward Error Correction: */
507 	enum cc_fec    fec;		 /* requested and actual in use */
508 
509 	unsigned char  autoneg;          /* autonegotiating? */
510 
511 	unsigned char  link_ok;          /* link up? */
512 	unsigned char  link_down_rc;     /* link down reason */
513 
514 	bool new_module;		 /* ->OS Transceiver Module inserted */
515 	bool redo_l1cfg;		 /* ->CC redo current "sticky" L1 CFG */
516 };
517 
518 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
519 
520 enum {
521 	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
522 	MAX_OFLD_QSETS = 16,          /* # of offload Tx, iscsi Rx queue sets */
523 	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
524 };
525 
526 enum {
527 	MAX_TXQ_ENTRIES      = 16384,
528 	MAX_CTRL_TXQ_ENTRIES = 1024,
529 	MAX_RSPQ_ENTRIES     = 16384,
530 	MAX_RX_BUFFERS       = 16384,
531 	MIN_TXQ_ENTRIES      = 32,
532 	MIN_CTRL_TXQ_ENTRIES = 32,
533 	MIN_RSPQ_ENTRIES     = 128,
534 	MIN_FL_ENTRIES       = 16
535 };
536 
537 enum {
538 	MAX_TXQ_DESC_SIZE      = 64,
539 	MAX_RXQ_DESC_SIZE      = 128,
540 	MAX_FL_DESC_SIZE       = 8,
541 	MAX_CTRL_TXQ_DESC_SIZE = 64,
542 };
543 
544 enum {
545 	INGQ_EXTRAS = 2,        /* firmware event queue and */
546 				/*   forwarded interrupts */
547 	MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
548 };
549 
550 enum {
551 	PRIV_FLAG_PORT_TX_VM_BIT,
552 };
553 
554 #define PRIV_FLAG_PORT_TX_VM		BIT(PRIV_FLAG_PORT_TX_VM_BIT)
555 
556 #define PRIV_FLAGS_ADAP			0
557 #define PRIV_FLAGS_PORT			PRIV_FLAG_PORT_TX_VM
558 
559 struct adapter;
560 struct sge_rspq;
561 
562 #include "cxgb4_dcb.h"
563 
564 #ifdef CONFIG_CHELSIO_T4_FCOE
565 #include "cxgb4_fcoe.h"
566 #endif /* CONFIG_CHELSIO_T4_FCOE */
567 
568 struct port_info {
569 	struct adapter *adapter;
570 	u16    viid;
571 	int    xact_addr_filt;        /* index of exact MAC address filter */
572 	u16    rss_size;              /* size of VI's RSS table slice */
573 	s8     mdio_addr;
574 	enum fw_port_type port_type;
575 	u8     mod_type;
576 	u8     port_id;
577 	u8     tx_chan;
578 	u8     lport;                 /* associated offload logical port */
579 	u8     nqsets;                /* # of qsets */
580 	u8     first_qset;            /* index of first qset */
581 	u8     rss_mode;
582 	struct link_config link_cfg;
583 	u16   *rss;
584 	struct port_stats stats_base;
585 #ifdef CONFIG_CHELSIO_T4_DCB
586 	struct port_dcb_info dcb;     /* Data Center Bridging support */
587 #endif
588 #ifdef CONFIG_CHELSIO_T4_FCOE
589 	struct cxgb_fcoe fcoe;
590 #endif /* CONFIG_CHELSIO_T4_FCOE */
591 	bool rxtstamp;  /* Enable TS */
592 	struct hwtstamp_config tstamp_config;
593 	bool ptp_enable;
594 	struct sched_table *sched_tbl;
595 	u32 eth_flags;
596 
597 	/* viid and smt fields either returned by fw
598 	 * or decoded by parsing viid by driver.
599 	 */
600 	u8 vin;
601 	u8 vivld;
602 	u8 smt_idx;
603 };
604 
605 struct dentry;
606 struct work_struct;
607 
608 enum {                                 /* adapter flags */
609 	CXGB4_FULL_INIT_DONE		= (1 << 0),
610 	CXGB4_DEV_ENABLED		= (1 << 1),
611 	CXGB4_USING_MSI			= (1 << 2),
612 	CXGB4_USING_MSIX		= (1 << 3),
613 	CXGB4_FW_OK			= (1 << 4),
614 	CXGB4_RSS_TNLALLLOOKUP		= (1 << 5),
615 	CXGB4_USING_SOFT_PARAMS		= (1 << 6),
616 	CXGB4_MASTER_PF			= (1 << 7),
617 	CXGB4_FW_OFLD_CONN		= (1 << 9),
618 	CXGB4_ROOT_NO_RELAXED_ORDERING	= (1 << 10),
619 	CXGB4_SHUTTING_DOWN		= (1 << 11),
620 	CXGB4_SGE_DBQ_TIMER		= (1 << 12),
621 };
622 
623 enum {
624 	ULP_CRYPTO_LOOKASIDE = 1 << 0,
625 	ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
626 };
627 
628 struct rx_sw_desc;
629 
630 struct sge_fl {                     /* SGE free-buffer queue state */
631 	unsigned int avail;         /* # of available Rx buffers */
632 	unsigned int pend_cred;     /* new buffers since last FL DB ring */
633 	unsigned int cidx;          /* consumer index */
634 	unsigned int pidx;          /* producer index */
635 	unsigned long alloc_failed; /* # of times buffer allocation failed */
636 	unsigned long large_alloc_failed;
637 	unsigned long mapping_err;  /* # of RX Buffer DMA Mapping failures */
638 	unsigned long low;          /* # of times momentarily starving */
639 	unsigned long starving;
640 	/* RO fields */
641 	unsigned int cntxt_id;      /* SGE context id for the free list */
642 	unsigned int size;          /* capacity of free list */
643 	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
644 	__be64 *desc;               /* address of HW Rx descriptor ring */
645 	dma_addr_t addr;            /* bus address of HW ring start */
646 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
647 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
648 };
649 
650 /* A packet gather list */
651 struct pkt_gl {
652 	u64 sgetstamp;		    /* SGE Time Stamp for Ingress Packet */
653 	struct page_frag frags[MAX_SKB_FRAGS];
654 	void *va;                         /* virtual address of first byte */
655 	unsigned int nfrags;              /* # of fragments */
656 	unsigned int tot_len;             /* total length of fragments */
657 };
658 
659 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
660 			      const struct pkt_gl *gl);
661 typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
662 /* LRO related declarations for ULD */
663 struct t4_lro_mgr {
664 #define MAX_LRO_SESSIONS		64
665 	u8 lro_session_cnt;         /* # of sessions to aggregate */
666 	unsigned long lro_pkts;     /* # of LRO super packets */
667 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
668 	struct sk_buff_head lroq;   /* list of aggregated sessions */
669 };
670 
671 struct sge_rspq {                   /* state for an SGE response queue */
672 	struct napi_struct napi;
673 	const __be64 *cur_desc;     /* current descriptor in queue */
674 	unsigned int cidx;          /* consumer index */
675 	u8 gen;                     /* current generation bit */
676 	u8 intr_params;             /* interrupt holdoff parameters */
677 	u8 next_intr_params;        /* holdoff params for next interrupt */
678 	u8 adaptive_rx;
679 	u8 pktcnt_idx;              /* interrupt packet threshold */
680 	u8 uld;                     /* ULD handling this queue */
681 	u8 idx;                     /* queue index within its group */
682 	int offset;                 /* offset into current Rx buffer */
683 	u16 cntxt_id;               /* SGE context id for the response q */
684 	u16 abs_id;                 /* absolute SGE id for the response q */
685 	__be64 *desc;               /* address of HW response ring */
686 	dma_addr_t phys_addr;       /* physical address of the ring */
687 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
688 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
689 	unsigned int iqe_len;       /* entry size */
690 	unsigned int size;          /* capacity of response queue */
691 	struct adapter *adap;
692 	struct net_device *netdev;  /* associated net device */
693 	rspq_handler_t handler;
694 	rspq_flush_handler_t flush_handler;
695 	struct t4_lro_mgr lro_mgr;
696 };
697 
698 struct sge_eth_stats {              /* Ethernet queue statistics */
699 	unsigned long pkts;         /* # of ethernet packets */
700 	unsigned long lro_pkts;     /* # of LRO super packets */
701 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
702 	unsigned long rx_cso;       /* # of Rx checksum offloads */
703 	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
704 	unsigned long rx_drops;     /* # of packets dropped due to no mem */
705 	unsigned long bad_rx_pkts;  /* # of packets with err_vec!=0 */
706 };
707 
708 struct sge_eth_rxq {                /* SW Ethernet Rx queue */
709 	struct sge_rspq rspq;
710 	struct sge_fl fl;
711 	struct sge_eth_stats stats;
712 } ____cacheline_aligned_in_smp;
713 
714 struct sge_ofld_stats {             /* offload queue statistics */
715 	unsigned long pkts;         /* # of packets */
716 	unsigned long imm;          /* # of immediate-data packets */
717 	unsigned long an;           /* # of asynchronous notifications */
718 	unsigned long nomem;        /* # of responses deferred due to no mem */
719 };
720 
721 struct sge_ofld_rxq {               /* SW offload Rx queue */
722 	struct sge_rspq rspq;
723 	struct sge_fl fl;
724 	struct sge_ofld_stats stats;
725 } ____cacheline_aligned_in_smp;
726 
727 struct tx_desc {
728 	__be64 flit[8];
729 };
730 
731 struct tx_sw_desc;
732 
733 struct sge_txq {
734 	unsigned int  in_use;       /* # of in-use Tx descriptors */
735 	unsigned int  q_type;	    /* Q type Eth/Ctrl/Ofld */
736 	unsigned int  size;         /* # of descriptors */
737 	unsigned int  cidx;         /* SW consumer index */
738 	unsigned int  pidx;         /* producer index */
739 	unsigned long stops;        /* # of times q has been stopped */
740 	unsigned long restarts;     /* # of queue restarts */
741 	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
742 	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
743 	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
744 	struct sge_qstat *stat;     /* queue status entry */
745 	dma_addr_t    phys_addr;    /* physical address of the ring */
746 	spinlock_t db_lock;
747 	int db_disabled;
748 	unsigned short db_pidx;
749 	unsigned short db_pidx_inc;
750 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
751 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
752 };
753 
754 struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
755 	struct sge_txq q;
756 	struct netdev_queue *txq;   /* associated netdev TX queue */
757 #ifdef CONFIG_CHELSIO_T4_DCB
758 	u8 dcb_prio;		    /* DCB Priority bound to queue */
759 #endif
760 	u8 dbqt;                    /* SGE Doorbell Queue Timer in use */
761 	unsigned int dbqtimerix;    /* SGE Doorbell Queue Timer Index */
762 	unsigned long tso;          /* # of TSO requests */
763 	unsigned long tx_cso;       /* # of Tx checksum offloads */
764 	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
765 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
766 } ____cacheline_aligned_in_smp;
767 
768 struct sge_uld_txq {               /* state for an SGE offload Tx queue */
769 	struct sge_txq q;
770 	struct adapter *adap;
771 	struct sk_buff_head sendq;  /* list of backpressured packets */
772 	struct tasklet_struct qresume_tsk; /* restarts the queue */
773 	bool service_ofldq_running; /* service_ofldq() is processing sendq */
774 	u8 full;                    /* the Tx ring is full */
775 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
776 } ____cacheline_aligned_in_smp;
777 
778 struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
779 	struct sge_txq q;
780 	struct adapter *adap;
781 	struct sk_buff_head sendq;  /* list of backpressured packets */
782 	struct tasklet_struct qresume_tsk; /* restarts the queue */
783 	u8 full;                    /* the Tx ring is full */
784 } ____cacheline_aligned_in_smp;
785 
786 struct sge_uld_rxq_info {
787 	char name[IFNAMSIZ];	/* name of ULD driver */
788 	struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
789 	u16 *msix_tbl;		/* msix_tbl for uld */
790 	u16 *rspq_id;		/* response queue id's of rxq */
791 	u16 nrxq;		/* # of ingress uld queues */
792 	u16 nciq;		/* # of completion queues */
793 	u8 uld;			/* uld type */
794 };
795 
796 struct sge_uld_txq_info {
797 	struct sge_uld_txq *uldtxq; /* Txq's for ULD */
798 	atomic_t users;		/* num users */
799 	u16 ntxq;		/* # of egress uld queues */
800 };
801 
802 struct sge {
803 	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
804 	struct sge_eth_txq ptptxq;
805 	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
806 
807 	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
808 	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
809 	struct sge_uld_rxq_info **uld_rxq_info;
810 	struct sge_uld_txq_info **uld_txq_info;
811 
812 	struct sge_rspq intrq ____cacheline_aligned_in_smp;
813 	spinlock_t intrq_lock;
814 
815 	u16 max_ethqsets;           /* # of available Ethernet queue sets */
816 	u16 ethqsets;               /* # of active Ethernet queue sets */
817 	u16 ethtxq_rover;           /* Tx queue to clean up next */
818 	u16 ofldqsets;              /* # of active ofld queue sets */
819 	u16 nqs_per_uld;	    /* # of Rx queues per ULD */
820 	u16 timer_val[SGE_NTIMERS];
821 	u8 counter_val[SGE_NCOUNTERS];
822 	u16 dbqtimer_tick;
823 	u16 dbqtimer_val[SGE_NDBQTIMERS];
824 	u32 fl_pg_order;            /* large page allocation size */
825 	u32 stat_len;               /* length of status page at ring end */
826 	u32 pktshift;               /* padding between CPL & packet data */
827 	u32 fl_align;               /* response queue message alignment */
828 	u32 fl_starve_thres;        /* Free List starvation threshold */
829 
830 	struct sge_idma_monitor_state idma_monitor;
831 	unsigned int egr_start;
832 	unsigned int egr_sz;
833 	unsigned int ingr_start;
834 	unsigned int ingr_sz;
835 	void **egr_map;    /* qid->queue egress queue map */
836 	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
837 	unsigned long *starving_fl;
838 	unsigned long *txq_maperr;
839 	unsigned long *blocked_fl;
840 	struct timer_list rx_timer; /* refills starving FLs */
841 	struct timer_list tx_timer; /* checks Tx queues */
842 };
843 
844 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
845 #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
846 
847 struct l2t_data;
848 
849 #ifdef CONFIG_PCI_IOV
850 
851 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
852  * Configuration initialization for T5 only has SR-IOV functionality enabled
853  * on PF0-3 in order to simplify everything.
854  */
855 #define NUM_OF_PF_WITH_SRIOV 4
856 
857 #endif
858 
859 struct doorbell_stats {
860 	u32 db_drop;
861 	u32 db_empty;
862 	u32 db_full;
863 };
864 
865 struct hash_mac_addr {
866 	struct list_head list;
867 	u8 addr[ETH_ALEN];
868 	unsigned int iface_mac;
869 };
870 
871 struct uld_msix_bmap {
872 	unsigned long *msix_bmap;
873 	unsigned int mapsize;
874 	spinlock_t lock; /* lock for acquiring bitmap */
875 };
876 
877 struct uld_msix_info {
878 	unsigned short vec;
879 	char desc[IFNAMSIZ + 10];
880 	unsigned int idx;
881 };
882 
883 struct vf_info {
884 	unsigned char vf_mac_addr[ETH_ALEN];
885 	unsigned int tx_rate;
886 	bool pf_set_mac;
887 	u16 vlan;
888 	int link_state;
889 };
890 
891 enum {
892 	HMA_DMA_MAPPED_FLAG = 1
893 };
894 
895 struct hma_data {
896 	unsigned char flags;
897 	struct sg_table *sgt;
898 	dma_addr_t *phy_addr;	/* physical address of the page */
899 };
900 
901 struct mbox_list {
902 	struct list_head list;
903 };
904 
905 struct mps_encap_entry {
906 	atomic_t refcnt;
907 };
908 
909 #if IS_ENABLED(CONFIG_THERMAL)
910 struct ch_thermal {
911 	struct thermal_zone_device *tzdev;
912 	int trip_temp;
913 	int trip_type;
914 };
915 #endif
916 
917 struct adapter {
918 	void __iomem *regs;
919 	void __iomem *bar2;
920 	u32 t4_bar0;
921 	struct pci_dev *pdev;
922 	struct device *pdev_dev;
923 	const char *name;
924 	unsigned int mbox;
925 	unsigned int pf;
926 	unsigned int flags;
927 	unsigned int adap_idx;
928 	enum chip_type chip;
929 	u32 eth_flags;
930 
931 	int msg_enable;
932 	__be16 vxlan_port;
933 	u8 vxlan_port_cnt;
934 	__be16 geneve_port;
935 	u8 geneve_port_cnt;
936 
937 	struct adapter_params params;
938 	struct cxgb4_virt_res vres;
939 	unsigned int swintr;
940 
941 	struct {
942 		unsigned short vec;
943 		char desc[IFNAMSIZ + 10];
944 	} msix_info[MAX_INGQ + 1];
945 	struct uld_msix_info *msix_info_ulds; /* msix info for uld's */
946 	struct uld_msix_bmap msix_bmap_ulds; /* msix bitmap for all uld */
947 	int msi_idx;
948 
949 	struct doorbell_stats db_stats;
950 	struct sge sge;
951 
952 	struct net_device *port[MAX_NPORTS];
953 	u8 chan_map[NCHAN];                   /* channel -> port map */
954 
955 	struct vf_info *vfinfo;
956 	u8 num_vfs;
957 
958 	u32 filter_mode;
959 	unsigned int l2t_start;
960 	unsigned int l2t_end;
961 	struct l2t_data *l2t;
962 	unsigned int clipt_start;
963 	unsigned int clipt_end;
964 	struct clip_tbl *clipt;
965 	unsigned int rawf_start;
966 	unsigned int rawf_cnt;
967 	struct smt_data *smt;
968 	struct mps_encap_entry *mps_encap;
969 	struct cxgb4_uld_info *uld;
970 	void *uld_handle[CXGB4_ULD_MAX];
971 	unsigned int num_uld;
972 	unsigned int num_ofld_uld;
973 	struct list_head list_node;
974 	struct list_head rcu_node;
975 	struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
976 
977 	void *iscsi_ppm;
978 
979 	struct tid_info tids;
980 	void **tid_release_head;
981 	spinlock_t tid_release_lock;
982 	struct workqueue_struct *workq;
983 	struct work_struct tid_release_task;
984 	struct work_struct db_full_task;
985 	struct work_struct db_drop_task;
986 	struct work_struct fatal_err_notify_task;
987 	bool tid_release_task_busy;
988 
989 	/* lock for mailbox cmd list */
990 	spinlock_t mbox_lock;
991 	struct mbox_list mlist;
992 
993 	/* support for mailbox command/reply logging */
994 #define T4_OS_LOG_MBOX_CMDS 256
995 	struct mbox_cmd_log *mbox_log;
996 
997 	struct mutex uld_mutex;
998 
999 	struct dentry *debugfs_root;
1000 	bool use_bd;     /* Use SGE Back Door intfc for reading SGE Contexts */
1001 	bool trace_rss;	/* 1 implies that different RSS flit per filter is
1002 			 * used per filter else if 0 default RSS flit is
1003 			 * used for all 4 filters.
1004 			 */
1005 
1006 	struct ptp_clock *ptp_clock;
1007 	struct ptp_clock_info ptp_clock_info;
1008 	struct sk_buff *ptp_tx_skb;
1009 	/* ptp lock */
1010 	spinlock_t ptp_lock;
1011 	spinlock_t stats_lock;
1012 	spinlock_t win0_lock ____cacheline_aligned_in_smp;
1013 
1014 	/* TC u32 offload */
1015 	struct cxgb4_tc_u32_table *tc_u32;
1016 	struct chcr_stats_debug chcr_stats;
1017 
1018 	/* TC flower offload */
1019 	bool tc_flower_initialized;
1020 	struct rhashtable flower_tbl;
1021 	struct rhashtable_params flower_ht_params;
1022 	struct timer_list flower_stats_timer;
1023 	struct work_struct flower_stats_work;
1024 
1025 	/* Ethtool Dump */
1026 	struct ethtool_dump eth_dump;
1027 
1028 	/* HMA */
1029 	struct hma_data hma;
1030 
1031 	struct srq_data *srq;
1032 
1033 	/* Dump buffer for collecting logs in kdump kernel */
1034 	struct vmcoredd_data vmcoredd;
1035 #if IS_ENABLED(CONFIG_THERMAL)
1036 	struct ch_thermal ch_thermal;
1037 #endif
1038 };
1039 
1040 /* Support for "sched-class" command to allow a TX Scheduling Class to be
1041  * programmed with various parameters.
1042  */
1043 struct ch_sched_params {
1044 	s8   type;                     /* packet or flow */
1045 	union {
1046 		struct {
1047 			s8   level;    /* scheduler hierarchy level */
1048 			s8   mode;     /* per-class or per-flow */
1049 			s8   rateunit; /* bit or packet rate */
1050 			s8   ratemode; /* %port relative or kbps absolute */
1051 			s8   channel;  /* scheduler channel [0..N] */
1052 			s8   class;    /* scheduler class [0..N] */
1053 			s32  minrate;  /* minimum rate */
1054 			s32  maxrate;  /* maximum rate */
1055 			s16  weight;   /* percent weight */
1056 			s16  pktsize;  /* average packet size */
1057 		} params;
1058 	} u;
1059 };
1060 
1061 enum {
1062 	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
1063 };
1064 
1065 enum {
1066 	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
1067 };
1068 
1069 enum {
1070 	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
1071 };
1072 
1073 enum {
1074 	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
1075 };
1076 
1077 enum {
1078 	SCHED_CLASS_RATEMODE_ABS = 1,   /* Kb/s */
1079 };
1080 
1081 struct tx_sw_desc {                /* SW state per Tx descriptor */
1082 	struct sk_buff *skb;
1083 	struct ulptx_sgl *sgl;
1084 };
1085 
1086 /* Support for "sched_queue" command to allow one or more NIC TX Queues
1087  * to be bound to a TX Scheduling Class.
1088  */
1089 struct ch_sched_queue {
1090 	s8   queue;    /* queue index */
1091 	s8   class;    /* class index */
1092 };
1093 
1094 /* Defined bit width of user definable filter tuples
1095  */
1096 #define ETHTYPE_BITWIDTH 16
1097 #define FRAG_BITWIDTH 1
1098 #define MACIDX_BITWIDTH 9
1099 #define FCOE_BITWIDTH 1
1100 #define IPORT_BITWIDTH 3
1101 #define MATCHTYPE_BITWIDTH 3
1102 #define PROTO_BITWIDTH 8
1103 #define TOS_BITWIDTH 8
1104 #define PF_BITWIDTH 8
1105 #define VF_BITWIDTH 8
1106 #define IVLAN_BITWIDTH 16
1107 #define OVLAN_BITWIDTH 16
1108 #define ENCAP_VNI_BITWIDTH 24
1109 
1110 /* Filter matching rules.  These consist of a set of ingress packet field
1111  * (value, mask) tuples.  The associated ingress packet field matches the
1112  * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
1113  * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
1114  * matches an ingress packet when all of the individual individual field
1115  * matching rules are true.
1116  *
1117  * Partial field masks are always valid, however, while it may be easy to
1118  * understand their meanings for some fields (e.g. IP address to match a
1119  * subnet), for others making sensible partial masks is less intuitive (e.g.
1120  * MPS match type) ...
1121  *
1122  * Most of the following data structures are modeled on T4 capabilities.
1123  * Drivers for earlier chips use the subsets which make sense for those chips.
1124  * We really need to come up with a hardware-independent mechanism to
1125  * represent hardware filter capabilities ...
1126  */
1127 struct ch_filter_tuple {
1128 	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
1129 	 * register selects which of these fields will participate in the
1130 	 * filter match rules -- up to a maximum of 36 bits.  Because
1131 	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1132 	 * set of fields.
1133 	 */
1134 	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
1135 	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
1136 	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
1137 	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
1138 	uint32_t pfvf_vld:1;                    /* PF/VF valid */
1139 	uint32_t encap_vld:1;			/* Encapsulation valid */
1140 	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
1141 	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
1142 	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
1143 	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
1144 	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
1145 	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
1146 	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
1147 	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
1148 	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
1149 	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
1150 	uint32_t vni:ENCAP_VNI_BITWIDTH;	/* VNI of tunnel */
1151 
1152 	/* Uncompressed header matching field rules.  These are always
1153 	 * available for field rules.
1154 	 */
1155 	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
1156 	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
1157 	uint16_t lport;         /* local port */
1158 	uint16_t fport;         /* foreign port */
1159 };
1160 
1161 /* A filter ioctl command.
1162  */
1163 struct ch_filter_specification {
1164 	/* Administrative fields for filter.
1165 	 */
1166 	uint32_t hitcnts:1;     /* count filter hits in TCB */
1167 	uint32_t prio:1;        /* filter has priority over active/server */
1168 
1169 	/* Fundamental filter typing.  This is the one element of filter
1170 	 * matching that doesn't exist as a (value, mask) tuple.
1171 	 */
1172 	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
1173 	u32 hash:1;		/* 0 => wild-card, 1 => exact-match */
1174 
1175 	/* Packet dispatch information.  Ingress packets which match the
1176 	 * filter rules will be dropped, passed to the host or switched back
1177 	 * out as egress packets.
1178 	 */
1179 	uint32_t action:2;      /* drop, pass, switch */
1180 
1181 	uint32_t rpttid:1;      /* report TID in RSS hash field */
1182 
1183 	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
1184 	uint32_t iq:10;         /* ingress queue */
1185 
1186 	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
1187 	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1188 				/*             1 => TCB contains IQ ID */
1189 
1190 	/* Switch proxy/rewrite fields.  An ingress packet which matches a
1191 	 * filter with "switch" set will be looped back out as an egress
1192 	 * packet -- potentially with some Ethernet header rewriting.
1193 	 */
1194 	uint32_t eport:2;       /* egress port to switch packet out */
1195 	uint32_t newdmac:1;     /* rewrite destination MAC address */
1196 	uint32_t newsmac:1;     /* rewrite source MAC address */
1197 	uint32_t newvlan:2;     /* rewrite VLAN Tag */
1198 	uint32_t nat_mode:3;    /* specify NAT operation mode */
1199 	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1200 	uint8_t smac[ETH_ALEN]; /* new source MAC address */
1201 	uint16_t vlan;          /* VLAN Tag to insert */
1202 
1203 	u8 nat_lip[16];		/* local IP to use after NAT'ing */
1204 	u8 nat_fip[16];		/* foreign IP to use after NAT'ing */
1205 	u16 nat_lport;		/* local port to use after NAT'ing */
1206 	u16 nat_fport;		/* foreign port to use after NAT'ing */
1207 
1208 	/* reservation for future additions */
1209 	u8 rsvd[24];
1210 
1211 	/* Filter rule value/mask pairs.
1212 	 */
1213 	struct ch_filter_tuple val;
1214 	struct ch_filter_tuple mask;
1215 };
1216 
1217 enum {
1218 	FILTER_PASS = 0,        /* default */
1219 	FILTER_DROP,
1220 	FILTER_SWITCH
1221 };
1222 
1223 enum {
1224 	VLAN_NOCHANGE = 0,      /* default */
1225 	VLAN_REMOVE,
1226 	VLAN_INSERT,
1227 	VLAN_REWRITE
1228 };
1229 
1230 enum {
1231 	NAT_MODE_NONE = 0,	/* No NAT performed */
1232 	NAT_MODE_DIP,		/* NAT on Dst IP */
1233 	NAT_MODE_DIP_DP,	/* NAT on Dst IP, Dst Port */
1234 	NAT_MODE_DIP_DP_SIP,	/* NAT on Dst IP, Dst Port and Src IP */
1235 	NAT_MODE_DIP_DP_SP,	/* NAT on Dst IP, Dst Port and Src Port */
1236 	NAT_MODE_SIP_SP,	/* NAT on Src IP and Src Port */
1237 	NAT_MODE_DIP_SIP_SP,	/* NAT on Dst IP, Src IP and Src Port */
1238 	NAT_MODE_ALL		/* NAT on entire 4-tuple */
1239 };
1240 
1241 /* Host shadow copy of ingress filter entry.  This is in host native format
1242  * and doesn't match the ordering or bit order, etc. of the hardware of the
1243  * firmware command.  The use of bit-field structure elements is purely to
1244  * remind ourselves of the field size limitations and save memory in the case
1245  * where the filter table is large.
1246  */
1247 struct filter_entry {
1248 	/* Administrative fields for filter. */
1249 	u32 valid:1;            /* filter allocated and valid */
1250 	u32 locked:1;           /* filter is administratively locked */
1251 
1252 	u32 pending:1;          /* filter action is pending firmware reply */
1253 	struct filter_ctx *ctx; /* Caller's completion hook */
1254 	struct l2t_entry *l2t;  /* Layer Two Table entry for dmac */
1255 	struct smt_entry *smt;  /* Source Mac Table entry for smac */
1256 	struct net_device *dev; /* Associated net device */
1257 	u32 tid;                /* This will store the actual tid */
1258 
1259 	/* The filter itself.  Most of this is a straight copy of information
1260 	 * provided by the extended ioctl().  Some fields are translated to
1261 	 * internal forms -- for instance the Ingress Queue ID passed in from
1262 	 * the ioctl() is translated into the Absolute Ingress Queue ID.
1263 	 */
1264 	struct ch_filter_specification fs;
1265 };
1266 
1267 static inline int is_offload(const struct adapter *adap)
1268 {
1269 	return adap->params.offload;
1270 }
1271 
1272 static inline int is_hashfilter(const struct adapter *adap)
1273 {
1274 	return adap->params.hash_filter;
1275 }
1276 
1277 static inline int is_pci_uld(const struct adapter *adap)
1278 {
1279 	return adap->params.crypto;
1280 }
1281 
1282 static inline int is_uld(const struct adapter *adap)
1283 {
1284 	return (adap->params.offload || adap->params.crypto);
1285 }
1286 
1287 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1288 {
1289 	return readl(adap->regs + reg_addr);
1290 }
1291 
1292 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1293 {
1294 	writel(val, adap->regs + reg_addr);
1295 }
1296 
1297 #ifndef readq
1298 static inline u64 readq(const volatile void __iomem *addr)
1299 {
1300 	return readl(addr) + ((u64)readl(addr + 4) << 32);
1301 }
1302 
1303 static inline void writeq(u64 val, volatile void __iomem *addr)
1304 {
1305 	writel(val, addr);
1306 	writel(val >> 32, addr + 4);
1307 }
1308 #endif
1309 
1310 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1311 {
1312 	return readq(adap->regs + reg_addr);
1313 }
1314 
1315 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1316 {
1317 	writeq(val, adap->regs + reg_addr);
1318 }
1319 
1320 /**
1321  * t4_set_hw_addr - store a port's MAC address in SW
1322  * @adapter: the adapter
1323  * @port_idx: the port index
1324  * @hw_addr: the Ethernet address
1325  *
1326  * Store the Ethernet address of the given port in SW.  Called by the common
1327  * code when it retrieves a port's Ethernet address from EEPROM.
1328  */
1329 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1330 				  u8 hw_addr[])
1331 {
1332 	ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr);
1333 	ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1334 }
1335 
1336 /**
1337  * netdev2pinfo - return the port_info structure associated with a net_device
1338  * @dev: the netdev
1339  *
1340  * Return the struct port_info associated with a net_device
1341  */
1342 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1343 {
1344 	return netdev_priv(dev);
1345 }
1346 
1347 /**
1348  * adap2pinfo - return the port_info of a port
1349  * @adap: the adapter
1350  * @idx: the port index
1351  *
1352  * Return the port_info structure for the port of the given index.
1353  */
1354 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1355 {
1356 	return netdev_priv(adap->port[idx]);
1357 }
1358 
1359 /**
1360  * netdev2adap - return the adapter structure associated with a net_device
1361  * @dev: the netdev
1362  *
1363  * Return the struct adapter associated with a net_device
1364  */
1365 static inline struct adapter *netdev2adap(const struct net_device *dev)
1366 {
1367 	return netdev2pinfo(dev)->adapter;
1368 }
1369 
1370 /* Return a version number to identify the type of adapter.  The scheme is:
1371  * - bits 0..9: chip version
1372  * - bits 10..15: chip revision
1373  * - bits 16..23: register dump version
1374  */
1375 static inline unsigned int mk_adap_vers(struct adapter *ap)
1376 {
1377 	return CHELSIO_CHIP_VERSION(ap->params.chip) |
1378 		(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1379 }
1380 
1381 /* Return a queue's interrupt hold-off time in us.  0 means no timer. */
1382 static inline unsigned int qtimer_val(const struct adapter *adap,
1383 				      const struct sge_rspq *q)
1384 {
1385 	unsigned int idx = q->intr_params >> 1;
1386 
1387 	return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1388 }
1389 
1390 /* driver version & name used for ethtool_drvinfo */
1391 extern char cxgb4_driver_name[];
1392 extern const char cxgb4_driver_version[];
1393 
1394 void t4_os_portmod_changed(struct adapter *adap, int port_id);
1395 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1396 
1397 void t4_free_sge_resources(struct adapter *adap);
1398 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1399 irq_handler_t t4_intr_handler(struct adapter *adap);
1400 netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1401 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1402 		     const struct pkt_gl *gl);
1403 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1404 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1405 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1406 		     struct net_device *dev, int intr_idx,
1407 		     struct sge_fl *fl, rspq_handler_t hnd,
1408 		     rspq_flush_handler_t flush_handler, int cong);
1409 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1410 			 struct net_device *dev, struct netdev_queue *netdevq,
1411 			 unsigned int iqid, u8 dbqt);
1412 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1413 			  struct net_device *dev, unsigned int iqid,
1414 			  unsigned int cmplqid);
1415 int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1416 			unsigned int cmplqid);
1417 int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1418 			 struct net_device *dev, unsigned int iqid,
1419 			 unsigned int uld_type);
1420 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1421 int t4_sge_init(struct adapter *adap);
1422 void t4_sge_start(struct adapter *adap);
1423 void t4_sge_stop(struct adapter *adap);
1424 int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1425 				 int maxreclaim);
1426 void cxgb4_set_ethtool_ops(struct net_device *netdev);
1427 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1428 enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1429 extern int dbfifo_int_thresh;
1430 
1431 #define for_each_port(adapter, iter) \
1432 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1433 
1434 static inline int is_bypass(struct adapter *adap)
1435 {
1436 	return adap->params.bypass;
1437 }
1438 
1439 static inline int is_bypass_device(int device)
1440 {
1441 	/* this should be set based upon device capabilities */
1442 	switch (device) {
1443 	case 0x440b:
1444 	case 0x440c:
1445 		return 1;
1446 	default:
1447 		return 0;
1448 	}
1449 }
1450 
1451 static inline int is_10gbt_device(int device)
1452 {
1453 	/* this should be set based upon device capabilities */
1454 	switch (device) {
1455 	case 0x4409:
1456 	case 0x4486:
1457 		return 1;
1458 
1459 	default:
1460 		return 0;
1461 	}
1462 }
1463 
1464 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1465 {
1466 	return adap->params.vpd.cclk / 1000;
1467 }
1468 
1469 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1470 					    unsigned int us)
1471 {
1472 	return (us * adap->params.vpd.cclk) / 1000;
1473 }
1474 
1475 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1476 					    unsigned int ticks)
1477 {
1478 	/* add Core Clock / 2 to round ticks to nearest uS */
1479 	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1480 		adapter->params.vpd.cclk);
1481 }
1482 
1483 static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1484 					      unsigned int ticks)
1485 {
1486 	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1487 }
1488 
1489 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1490 		      u32 val);
1491 
1492 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1493 			    int size, void *rpl, bool sleep_ok, int timeout);
1494 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1495 		    void *rpl, bool sleep_ok);
1496 
1497 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1498 				     const void *cmd, int size, void *rpl,
1499 				     int timeout)
1500 {
1501 	return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1502 				       timeout);
1503 }
1504 
1505 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1506 			     int size, void *rpl)
1507 {
1508 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1509 }
1510 
1511 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1512 				int size, void *rpl)
1513 {
1514 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1515 }
1516 
1517 /**
1518  *	hash_mac_addr - return the hash value of a MAC address
1519  *	@addr: the 48-bit Ethernet MAC address
1520  *
1521  *	Hashes a MAC address according to the hash function used by HW inexact
1522  *	(hash) address matching.
1523  */
1524 static inline int hash_mac_addr(const u8 *addr)
1525 {
1526 	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1527 	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1528 
1529 	a ^= b;
1530 	a ^= (a >> 12);
1531 	a ^= (a >> 6);
1532 	return a & 0x3f;
1533 }
1534 
1535 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1536 			       unsigned int cnt);
1537 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1538 			     unsigned int us, unsigned int cnt,
1539 			     unsigned int size, unsigned int iqe_size)
1540 {
1541 	q->adap = adap;
1542 	cxgb4_set_rspq_intr_params(q, us, cnt);
1543 	q->iqe_len = iqe_size;
1544 	q->size = size;
1545 }
1546 
1547 /**
1548  *     t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1549  *     @fw_mod_type: the Firmware Mofule Type
1550  *
1551  *     Return whether the Firmware Module Type represents a real Transceiver
1552  *     Module/Cable Module Type which has been inserted.
1553  */
1554 static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1555 {
1556 	return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1557 		fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1558 		fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1559 		fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1560 }
1561 
1562 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1563 		       unsigned int data_reg, const u32 *vals,
1564 		       unsigned int nregs, unsigned int start_idx);
1565 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1566 		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1567 		      unsigned int start_idx);
1568 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1569 
1570 struct fw_filter_wr;
1571 
1572 void t4_intr_enable(struct adapter *adapter);
1573 void t4_intr_disable(struct adapter *adapter);
1574 int t4_slow_intr_handler(struct adapter *adapter);
1575 
1576 int t4_wait_dev_ready(void __iomem *regs);
1577 
1578 fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1579 			      struct link_config *lc);
1580 int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1581 		       unsigned int port, struct link_config *lc,
1582 		       u8 sleep_ok, int timeout);
1583 
1584 static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1585 				unsigned int port, struct link_config *lc)
1586 {
1587 	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1588 				  true, FW_CMD_MAX_TIMEOUT);
1589 }
1590 
1591 static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1592 				   unsigned int port, struct link_config *lc)
1593 {
1594 	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1595 				  false, FW_CMD_MAX_TIMEOUT);
1596 }
1597 
1598 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1599 
1600 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1601 u32 t4_get_util_window(struct adapter *adap);
1602 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1603 
1604 int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1605 		      u32 *mem_base, u32 *mem_aperture);
1606 void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1607 void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1608 			   int dir);
1609 #define T4_MEMORY_WRITE	0
1610 #define T4_MEMORY_READ	1
1611 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1612 		 void *buf, int dir);
1613 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1614 				  u32 len, __be32 *buf)
1615 {
1616 	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1617 }
1618 
1619 unsigned int t4_get_regs_len(struct adapter *adapter);
1620 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1621 
1622 int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1623 int t4_seeprom_wp(struct adapter *adapter, bool enable);
1624 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1625 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1626 int t4_get_pfres(struct adapter *adapter);
1627 int t4_read_flash(struct adapter *adapter, unsigned int addr,
1628 		  unsigned int nwords, u32 *data, int byte_oriented);
1629 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1630 int t4_load_phy_fw(struct adapter *adap,
1631 		   int win, spinlock_t *lock,
1632 		   int (*phy_fw_version)(const u8 *, size_t),
1633 		   const u8 *phy_fw_data, size_t phy_fw_size);
1634 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1635 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1636 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1637 		  const u8 *fw_data, unsigned int size, int force);
1638 int t4_fl_pkt_align(struct adapter *adap);
1639 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1640 int t4_check_fw_version(struct adapter *adap);
1641 int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1642 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1643 int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1644 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1645 int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1646 int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1647 int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1648 int t4_get_version_info(struct adapter *adapter);
1649 void t4_dump_version_info(struct adapter *adapter);
1650 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1651 	       const u8 *fw_data, unsigned int fw_size,
1652 	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1653 int t4_prep_adapter(struct adapter *adapter);
1654 int t4_shutdown_adapter(struct adapter *adapter);
1655 
1656 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1657 int t4_bar2_sge_qregs(struct adapter *adapter,
1658 		      unsigned int qid,
1659 		      enum t4_bar2_qtype qtype,
1660 		      int user,
1661 		      u64 *pbar2_qoffset,
1662 		      unsigned int *pbar2_qid);
1663 
1664 unsigned int qtimer_val(const struct adapter *adap,
1665 			const struct sge_rspq *q);
1666 
1667 int t4_init_devlog_params(struct adapter *adapter);
1668 int t4_init_sge_params(struct adapter *adapter);
1669 int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1670 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1671 int t4_init_rss_mode(struct adapter *adap, int mbox);
1672 int t4_init_portinfo(struct port_info *pi, int mbox,
1673 		     int port, int pf, int vf, u8 mac[]);
1674 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1675 void t4_fatal_err(struct adapter *adapter);
1676 unsigned int t4_chip_rss_size(struct adapter *adapter);
1677 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1678 			int start, int n, const u16 *rspq, unsigned int nrspq);
1679 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1680 		       unsigned int flags);
1681 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1682 		     unsigned int flags, unsigned int defq);
1683 int t4_read_rss(struct adapter *adapter, u16 *entries);
1684 void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1685 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1686 		      bool sleep_ok);
1687 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1688 			   u32 *valp, bool sleep_ok);
1689 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1690 			   u32 *vfl, u32 *vfh, bool sleep_ok);
1691 u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1692 u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1693 
1694 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1695 unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1696 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1697 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1698 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1699 		    size_t n);
1700 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1701 		    size_t n);
1702 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1703 		unsigned int *valp);
1704 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1705 		 const unsigned int *valp);
1706 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1707 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1708 			unsigned int *pif_req_wrptr,
1709 			unsigned int *pif_rsp_wrptr);
1710 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1711 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1712 const char *t4_get_port_type_description(enum fw_port_type port_type);
1713 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1714 void t4_get_port_stats_offset(struct adapter *adap, int idx,
1715 			      struct port_stats *stats,
1716 			      struct port_stats *offset);
1717 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1718 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1719 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1720 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1721 			    unsigned int mask, unsigned int val);
1722 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1723 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1724 			 bool sleep_ok);
1725 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1726 			 bool sleep_ok);
1727 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1728 			  bool sleep_ok);
1729 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1730 		      bool sleep_ok);
1731 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1732 			 struct tp_tcp_stats *v6, bool sleep_ok);
1733 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1734 		       struct tp_fcoe_stats *st, bool sleep_ok);
1735 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1736 		  const unsigned short *alpha, const unsigned short *beta);
1737 
1738 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1739 
1740 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1741 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1742 
1743 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1744 			 const u8 *addr);
1745 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1746 		      u64 mask0, u64 mask1, unsigned int crc, bool enable);
1747 
1748 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1749 		enum dev_master master, enum dev_state *state);
1750 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1751 int t4_early_init(struct adapter *adap, unsigned int mbox);
1752 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1753 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1754 			  unsigned int cache_line_size);
1755 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1756 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1757 		    unsigned int vf, unsigned int nparams, const u32 *params,
1758 		    u32 *val);
1759 int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1760 		       unsigned int vf, unsigned int nparams, const u32 *params,
1761 		       u32 *val);
1762 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1763 		       unsigned int vf, unsigned int nparams, const u32 *params,
1764 		       u32 *val, int rw, bool sleep_ok);
1765 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1766 			  unsigned int pf, unsigned int vf,
1767 			  unsigned int nparams, const u32 *params,
1768 			  const u32 *val, int timeout);
1769 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1770 		  unsigned int vf, unsigned int nparams, const u32 *params,
1771 		  const u32 *val);
1772 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1773 		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1774 		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1775 		unsigned int vi, unsigned int cmask, unsigned int pmask,
1776 		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1777 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1778 		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1779 		unsigned int *rss_size, u8 *vivld, u8 *vin);
1780 int t4_free_vi(struct adapter *adap, unsigned int mbox,
1781 	       unsigned int pf, unsigned int vf,
1782 	       unsigned int viid);
1783 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1784 		int mtu, int promisc, int all_multi, int bcast, int vlanex,
1785 		bool sleep_ok);
1786 int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
1787 			 const u8 *addr, const u8 *mask, unsigned int idx,
1788 			 u8 lookup_type, u8 port_id, bool sleep_ok);
1789 int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
1790 			   bool sleep_ok);
1791 int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
1792 			    const u8 *addr, const u8 *mask, unsigned int vni,
1793 			    unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
1794 			    bool sleep_ok);
1795 int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
1796 			  const u8 *addr, const u8 *mask, unsigned int idx,
1797 			  u8 lookup_type, u8 port_id, bool sleep_ok);
1798 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1799 		      unsigned int viid, bool free, unsigned int naddr,
1800 		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1801 int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
1802 		     unsigned int viid, unsigned int naddr,
1803 		     const u8 **addr, bool sleep_ok);
1804 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1805 		  int idx, const u8 *addr, bool persist, u8 *smt_idx);
1806 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1807 		     bool ucast, u64 vec, bool sleep_ok);
1808 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1809 			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1810 int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
1811 			struct port_info *pi,
1812 			bool rx_en, bool tx_en, bool dcb_en);
1813 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1814 		 bool rx_en, bool tx_en);
1815 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1816 		     unsigned int nblinks);
1817 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1818 	       unsigned int mmd, unsigned int reg, u16 *valp);
1819 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1820 	       unsigned int mmd, unsigned int reg, u16 val);
1821 int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
1822 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
1823 	       unsigned int fl0id, unsigned int fl1id);
1824 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1825 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
1826 	       unsigned int fl0id, unsigned int fl1id);
1827 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1828 		   unsigned int vf, unsigned int eqid);
1829 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1830 		    unsigned int vf, unsigned int eqid);
1831 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1832 		    unsigned int vf, unsigned int eqid);
1833 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
1834 int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
1835 			  u16 *dbqtimers);
1836 void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
1837 int t4_update_port_info(struct port_info *pi);
1838 int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
1839 		       unsigned int *speedp, unsigned int *mtup);
1840 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1841 void t4_db_full(struct adapter *adapter);
1842 void t4_db_dropped(struct adapter *adapter);
1843 int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
1844 			int filter_index, int enable);
1845 void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
1846 			 int filter_index, int *enabled);
1847 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1848 			 u32 addr, u32 val);
1849 void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
1850 void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
1851 		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
1852 int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
1853 		   enum ctxt_type ctype, u32 *data);
1854 int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
1855 		      enum ctxt_type ctype, u32 *data);
1856 int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
1857 		    int rateunit, int ratemode, int channel, int class,
1858 		    int minrate, int maxrate, int weight, int pktsize);
1859 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1860 void t4_idma_monitor_init(struct adapter *adapter,
1861 			  struct sge_idma_monitor_state *idma);
1862 void t4_idma_monitor(struct adapter *adapter,
1863 		     struct sge_idma_monitor_state *idma,
1864 		     int hz, int ticks);
1865 int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
1866 		      unsigned int naddr, u8 *addr);
1867 void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1868 		    u32 start_index, bool sleep_ok);
1869 void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
1870 		       u32 start_index, bool sleep_ok);
1871 void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
1872 		    u32 start_index, bool sleep_ok);
1873 
1874 void t4_uld_mem_free(struct adapter *adap);
1875 int t4_uld_mem_alloc(struct adapter *adap);
1876 void t4_uld_clean_up(struct adapter *adap);
1877 void t4_register_netevent_notifier(void);
1878 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
1879 	      unsigned int devid, unsigned int offset,
1880 	      unsigned int len, u8 *buf);
1881 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
1882 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
1883 		  unsigned int n, bool unmap);
1884 void free_txq(struct adapter *adap, struct sge_txq *q);
1885 void cxgb4_reclaim_completed_tx(struct adapter *adap,
1886 				struct sge_txq *q, bool unmap);
1887 int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
1888 		  dma_addr_t *addr);
1889 void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
1890 			 void *pos);
1891 void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
1892 		     struct ulptx_sgl *sgl, u64 *end, unsigned int start,
1893 		     const dma_addr_t *addr);
1894 void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
1895 int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
1896 		    u16 vlan);
1897 int cxgb4_dcb_enabled(const struct net_device *dev);
1898 
1899 int cxgb4_thermal_init(struct adapter *adap);
1900 int cxgb4_thermal_remove(struct adapter *adap);
1901 
1902 #endif /* __CXGB4_H__ */
1903