1 /*
2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
3  *
4  * Copyright (c) 2003-2014 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 <asm/io.h>
50 #include "cxgb4_uld.h"
51 
52 #define T4FW_VERSION_MAJOR 0x01
53 #define T4FW_VERSION_MINOR 0x0C
54 #define T4FW_VERSION_MICRO 0x19
55 #define T4FW_VERSION_BUILD 0x00
56 
57 #define T5FW_VERSION_MAJOR 0x01
58 #define T5FW_VERSION_MINOR 0x0C
59 #define T5FW_VERSION_MICRO 0x19
60 #define T5FW_VERSION_BUILD 0x00
61 
62 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
63 
64 enum {
65 	MAX_NPORTS = 4,     /* max # of ports */
66 	SERNUM_LEN = 24,    /* Serial # length */
67 	EC_LEN     = 16,    /* E/C length */
68 	ID_LEN     = 16,    /* ID length */
69 	PN_LEN     = 16,    /* Part Number length */
70 };
71 
72 enum {
73 	MEM_EDC0,
74 	MEM_EDC1,
75 	MEM_MC,
76 	MEM_MC0 = MEM_MC,
77 	MEM_MC1
78 };
79 
80 enum {
81 	MEMWIN0_APERTURE = 2048,
82 	MEMWIN0_BASE     = 0x1b800,
83 	MEMWIN1_APERTURE = 32768,
84 	MEMWIN1_BASE     = 0x28000,
85 	MEMWIN1_BASE_T5  = 0x52000,
86 	MEMWIN2_APERTURE = 65536,
87 	MEMWIN2_BASE     = 0x30000,
88 	MEMWIN2_APERTURE_T5 = 131072,
89 	MEMWIN2_BASE_T5  = 0x60000,
90 };
91 
92 enum dev_master {
93 	MASTER_CANT,
94 	MASTER_MAY,
95 	MASTER_MUST
96 };
97 
98 enum dev_state {
99 	DEV_STATE_UNINIT,
100 	DEV_STATE_INIT,
101 	DEV_STATE_ERR
102 };
103 
104 enum {
105 	PAUSE_RX      = 1 << 0,
106 	PAUSE_TX      = 1 << 1,
107 	PAUSE_AUTONEG = 1 << 2
108 };
109 
110 struct port_stats {
111 	u64 tx_octets;            /* total # of octets in good frames */
112 	u64 tx_frames;            /* all good frames */
113 	u64 tx_bcast_frames;      /* all broadcast frames */
114 	u64 tx_mcast_frames;      /* all multicast frames */
115 	u64 tx_ucast_frames;      /* all unicast frames */
116 	u64 tx_error_frames;      /* all error frames */
117 
118 	u64 tx_frames_64;         /* # of Tx frames in a particular range */
119 	u64 tx_frames_65_127;
120 	u64 tx_frames_128_255;
121 	u64 tx_frames_256_511;
122 	u64 tx_frames_512_1023;
123 	u64 tx_frames_1024_1518;
124 	u64 tx_frames_1519_max;
125 
126 	u64 tx_drop;              /* # of dropped Tx frames */
127 	u64 tx_pause;             /* # of transmitted pause frames */
128 	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
129 	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
130 	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
131 	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
132 	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
133 	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
134 	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
135 	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
136 
137 	u64 rx_octets;            /* total # of octets in good frames */
138 	u64 rx_frames;            /* all good frames */
139 	u64 rx_bcast_frames;      /* all broadcast frames */
140 	u64 rx_mcast_frames;      /* all multicast frames */
141 	u64 rx_ucast_frames;      /* all unicast frames */
142 	u64 rx_too_long;          /* # of frames exceeding MTU */
143 	u64 rx_jabber;            /* # of jabber frames */
144 	u64 rx_fcs_err;           /* # of received frames with bad FCS */
145 	u64 rx_len_err;           /* # of received frames with length error */
146 	u64 rx_symbol_err;        /* symbol errors */
147 	u64 rx_runt;              /* # of short frames */
148 
149 	u64 rx_frames_64;         /* # of Rx frames in a particular range */
150 	u64 rx_frames_65_127;
151 	u64 rx_frames_128_255;
152 	u64 rx_frames_256_511;
153 	u64 rx_frames_512_1023;
154 	u64 rx_frames_1024_1518;
155 	u64 rx_frames_1519_max;
156 
157 	u64 rx_pause;             /* # of received pause frames */
158 	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
159 	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
160 	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
161 	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
162 	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
163 	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
164 	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
165 	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
166 
167 	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
168 	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
169 	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
170 	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
171 	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
172 	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
173 	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
174 	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
175 };
176 
177 struct lb_port_stats {
178 	u64 octets;
179 	u64 frames;
180 	u64 bcast_frames;
181 	u64 mcast_frames;
182 	u64 ucast_frames;
183 	u64 error_frames;
184 
185 	u64 frames_64;
186 	u64 frames_65_127;
187 	u64 frames_128_255;
188 	u64 frames_256_511;
189 	u64 frames_512_1023;
190 	u64 frames_1024_1518;
191 	u64 frames_1519_max;
192 
193 	u64 drop;
194 
195 	u64 ovflow0;
196 	u64 ovflow1;
197 	u64 ovflow2;
198 	u64 ovflow3;
199 	u64 trunc0;
200 	u64 trunc1;
201 	u64 trunc2;
202 	u64 trunc3;
203 };
204 
205 struct tp_tcp_stats {
206 	u32 tcpOutRsts;
207 	u64 tcpInSegs;
208 	u64 tcpOutSegs;
209 	u64 tcpRetransSegs;
210 };
211 
212 struct tp_err_stats {
213 	u32 macInErrs[4];
214 	u32 hdrInErrs[4];
215 	u32 tcpInErrs[4];
216 	u32 tnlCongDrops[4];
217 	u32 ofldChanDrops[4];
218 	u32 tnlTxDrops[4];
219 	u32 ofldVlanDrops[4];
220 	u32 tcp6InErrs[4];
221 	u32 ofldNoNeigh;
222 	u32 ofldCongDefer;
223 };
224 
225 struct sge_params {
226 	u32 hps;			/* host page size for our PF/VF */
227 	u32 eq_qpp;			/* egress queues/page for our PF/VF */
228 	u32 iq_qpp;			/* egress queues/page for our PF/VF */
229 };
230 
231 struct tp_params {
232 	unsigned int ntxchan;        /* # of Tx channels */
233 	unsigned int tre;            /* log2 of core clocks per TP tick */
234 	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
235 				     /* channel map */
236 
237 	uint32_t dack_re;            /* DACK timer resolution */
238 	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
239 
240 	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
241 	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
242 
243 	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
244 	 * subset of the set of fields which may be present in the Compressed
245 	 * Filter Tuple portion of filters and TCP TCB connections.  The
246 	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
247 	 * Since a variable number of fields may or may not be present, their
248 	 * shifted field positions within the Compressed Filter Tuple may
249 	 * vary, or not even be present if the field isn't selected in
250 	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
251 	 * places we store their offsets here, or a -1 if the field isn't
252 	 * present.
253 	 */
254 	int vlan_shift;
255 	int vnic_shift;
256 	int port_shift;
257 	int protocol_shift;
258 };
259 
260 struct vpd_params {
261 	unsigned int cclk;
262 	u8 ec[EC_LEN + 1];
263 	u8 sn[SERNUM_LEN + 1];
264 	u8 id[ID_LEN + 1];
265 	u8 pn[PN_LEN + 1];
266 };
267 
268 struct pci_params {
269 	unsigned char speed;
270 	unsigned char width;
271 };
272 
273 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
274 #define CHELSIO_CHIP_FPGA          0x100
275 #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
276 #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
277 
278 #define CHELSIO_T4		0x4
279 #define CHELSIO_T5		0x5
280 
281 enum chip_type {
282 	T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
283 	T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
284 	T4_FIRST_REV	= T4_A1,
285 	T4_LAST_REV	= T4_A2,
286 
287 	T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
288 	T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
289 	T5_FIRST_REV	= T5_A0,
290 	T5_LAST_REV	= T5_A1,
291 };
292 
293 struct adapter_params {
294 	struct sge_params sge;
295 	struct tp_params  tp;
296 	struct vpd_params vpd;
297 	struct pci_params pci;
298 
299 	unsigned int sf_size;             /* serial flash size in bytes */
300 	unsigned int sf_nsec;             /* # of flash sectors */
301 	unsigned int sf_fw_start;         /* start of FW image in flash */
302 
303 	unsigned int fw_vers;
304 	unsigned int tp_vers;
305 	u8 api_vers[7];
306 
307 	unsigned short mtus[NMTUS];
308 	unsigned short a_wnd[NCCTRL_WIN];
309 	unsigned short b_wnd[NCCTRL_WIN];
310 
311 	unsigned char nports;             /* # of ethernet ports */
312 	unsigned char portvec;
313 	enum chip_type chip;               /* chip code */
314 	unsigned char offload;
315 
316 	unsigned char bypass;
317 
318 	unsigned int ofldq_wr_cred;
319 	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
320 
321 	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
322 	unsigned int max_ird_adapter;     /* Max read depth per adapter */
323 };
324 
325 #include "t4fw_api.h"
326 
327 #define FW_VERSION(chip) ( \
328 		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
329 		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
330 		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
331 		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
332 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
333 
334 struct fw_info {
335 	u8 chip;
336 	char *fs_name;
337 	char *fw_mod_name;
338 	struct fw_hdr fw_hdr;
339 };
340 
341 
342 struct trace_params {
343 	u32 data[TRACE_LEN / 4];
344 	u32 mask[TRACE_LEN / 4];
345 	unsigned short snap_len;
346 	unsigned short min_len;
347 	unsigned char skip_ofst;
348 	unsigned char skip_len;
349 	unsigned char invert;
350 	unsigned char port;
351 };
352 
353 struct link_config {
354 	unsigned short supported;        /* link capabilities */
355 	unsigned short advertising;      /* advertised capabilities */
356 	unsigned short requested_speed;  /* speed user has requested */
357 	unsigned short speed;            /* actual link speed */
358 	unsigned char  requested_fc;     /* flow control user has requested */
359 	unsigned char  fc;               /* actual link flow control */
360 	unsigned char  autoneg;          /* autonegotiating? */
361 	unsigned char  link_ok;          /* link up? */
362 };
363 
364 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
365 
366 enum {
367 	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
368 	MAX_OFLD_QSETS = 16,          /* # of offload Tx/Rx queue sets */
369 	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
370 	MAX_RDMA_QUEUES = NCHAN,      /* # of streaming RDMA Rx queues */
371 	MAX_RDMA_CIQS = NCHAN,        /* # of  RDMA concentrator IQs */
372 	MAX_ISCSI_QUEUES = NCHAN,     /* # of streaming iSCSI Rx queues */
373 };
374 
375 enum {
376 	INGQ_EXTRAS = 2,        /* firmware event queue and */
377 				/*   forwarded interrupts */
378 	MAX_EGRQ = MAX_ETH_QSETS*2 + MAX_OFLD_QSETS*2
379 		   + MAX_CTRL_QUEUES + MAX_RDMA_QUEUES + MAX_ISCSI_QUEUES,
380 	MAX_INGQ = MAX_ETH_QSETS + MAX_OFLD_QSETS + MAX_RDMA_QUEUES
381 		   + MAX_RDMA_CIQS + MAX_ISCSI_QUEUES + INGQ_EXTRAS,
382 };
383 
384 struct adapter;
385 struct sge_rspq;
386 
387 #include "cxgb4_dcb.h"
388 
389 struct port_info {
390 	struct adapter *adapter;
391 	u16    viid;
392 	s16    xact_addr_filt;        /* index of exact MAC address filter */
393 	u16    rss_size;              /* size of VI's RSS table slice */
394 	s8     mdio_addr;
395 	enum fw_port_type port_type;
396 	u8     mod_type;
397 	u8     port_id;
398 	u8     tx_chan;
399 	u8     lport;                 /* associated offload logical port */
400 	u8     nqsets;                /* # of qsets */
401 	u8     first_qset;            /* index of first qset */
402 	u8     rss_mode;
403 	struct link_config link_cfg;
404 	u16   *rss;
405 #ifdef CONFIG_CHELSIO_T4_DCB
406 	struct port_dcb_info dcb;     /* Data Center Bridging support */
407 #endif
408 };
409 
410 struct dentry;
411 struct work_struct;
412 
413 enum {                                 /* adapter flags */
414 	FULL_INIT_DONE     = (1 << 0),
415 	DEV_ENABLED        = (1 << 1),
416 	USING_MSI          = (1 << 2),
417 	USING_MSIX         = (1 << 3),
418 	FW_OK              = (1 << 4),
419 	RSS_TNLALLLOOKUP   = (1 << 5),
420 	USING_SOFT_PARAMS  = (1 << 6),
421 	MASTER_PF          = (1 << 7),
422 	FW_OFLD_CONN       = (1 << 9),
423 };
424 
425 struct rx_sw_desc;
426 
427 struct sge_fl {                     /* SGE free-buffer queue state */
428 	unsigned int avail;         /* # of available Rx buffers */
429 	unsigned int pend_cred;     /* new buffers since last FL DB ring */
430 	unsigned int cidx;          /* consumer index */
431 	unsigned int pidx;          /* producer index */
432 	unsigned long alloc_failed; /* # of times buffer allocation failed */
433 	unsigned long large_alloc_failed;
434 	unsigned long starving;
435 	/* RO fields */
436 	unsigned int cntxt_id;      /* SGE context id for the free list */
437 	unsigned int size;          /* capacity of free list */
438 	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
439 	__be64 *desc;               /* address of HW Rx descriptor ring */
440 	dma_addr_t addr;            /* bus address of HW ring start */
441 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
442 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
443 };
444 
445 /* A packet gather list */
446 struct pkt_gl {
447 	struct page_frag frags[MAX_SKB_FRAGS];
448 	void *va;                         /* virtual address of first byte */
449 	unsigned int nfrags;              /* # of fragments */
450 	unsigned int tot_len;             /* total length of fragments */
451 };
452 
453 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
454 			      const struct pkt_gl *gl);
455 
456 struct sge_rspq {                   /* state for an SGE response queue */
457 	struct napi_struct napi;
458 	const __be64 *cur_desc;     /* current descriptor in queue */
459 	unsigned int cidx;          /* consumer index */
460 	u8 gen;                     /* current generation bit */
461 	u8 intr_params;             /* interrupt holdoff parameters */
462 	u8 next_intr_params;        /* holdoff params for next interrupt */
463 	u8 adaptive_rx;
464 	u8 pktcnt_idx;              /* interrupt packet threshold */
465 	u8 uld;                     /* ULD handling this queue */
466 	u8 idx;                     /* queue index within its group */
467 	int offset;                 /* offset into current Rx buffer */
468 	u16 cntxt_id;               /* SGE context id for the response q */
469 	u16 abs_id;                 /* absolute SGE id for the response q */
470 	__be64 *desc;               /* address of HW response ring */
471 	dma_addr_t phys_addr;       /* physical address of the ring */
472 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
473 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
474 	unsigned int iqe_len;       /* entry size */
475 	unsigned int size;          /* capacity of response queue */
476 	struct adapter *adap;
477 	struct net_device *netdev;  /* associated net device */
478 	rspq_handler_t handler;
479 };
480 
481 struct sge_eth_stats {              /* Ethernet queue statistics */
482 	unsigned long pkts;         /* # of ethernet packets */
483 	unsigned long lro_pkts;     /* # of LRO super packets */
484 	unsigned long lro_merged;   /* # of wire packets merged by LRO */
485 	unsigned long rx_cso;       /* # of Rx checksum offloads */
486 	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
487 	unsigned long rx_drops;     /* # of packets dropped due to no mem */
488 };
489 
490 struct sge_eth_rxq {                /* SW Ethernet Rx queue */
491 	struct sge_rspq rspq;
492 	struct sge_fl fl;
493 	struct sge_eth_stats stats;
494 } ____cacheline_aligned_in_smp;
495 
496 struct sge_ofld_stats {             /* offload queue statistics */
497 	unsigned long pkts;         /* # of packets */
498 	unsigned long imm;          /* # of immediate-data packets */
499 	unsigned long an;           /* # of asynchronous notifications */
500 	unsigned long nomem;        /* # of responses deferred due to no mem */
501 };
502 
503 struct sge_ofld_rxq {               /* SW offload Rx queue */
504 	struct sge_rspq rspq;
505 	struct sge_fl fl;
506 	struct sge_ofld_stats stats;
507 } ____cacheline_aligned_in_smp;
508 
509 struct tx_desc {
510 	__be64 flit[8];
511 };
512 
513 struct tx_sw_desc;
514 
515 struct sge_txq {
516 	unsigned int  in_use;       /* # of in-use Tx descriptors */
517 	unsigned int  size;         /* # of descriptors */
518 	unsigned int  cidx;         /* SW consumer index */
519 	unsigned int  pidx;         /* producer index */
520 	unsigned long stops;        /* # of times q has been stopped */
521 	unsigned long restarts;     /* # of queue restarts */
522 	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
523 	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
524 	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
525 	struct sge_qstat *stat;     /* queue status entry */
526 	dma_addr_t    phys_addr;    /* physical address of the ring */
527 	spinlock_t db_lock;
528 	int db_disabled;
529 	unsigned short db_pidx;
530 	unsigned short db_pidx_inc;
531 	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
532 	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
533 };
534 
535 struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
536 	struct sge_txq q;
537 	struct netdev_queue *txq;   /* associated netdev TX queue */
538 #ifdef CONFIG_CHELSIO_T4_DCB
539 	u8 dcb_prio;		    /* DCB Priority bound to queue */
540 #endif
541 	unsigned long tso;          /* # of TSO requests */
542 	unsigned long tx_cso;       /* # of Tx checksum offloads */
543 	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
544 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
545 } ____cacheline_aligned_in_smp;
546 
547 struct sge_ofld_txq {               /* state for an SGE offload Tx queue */
548 	struct sge_txq q;
549 	struct adapter *adap;
550 	struct sk_buff_head sendq;  /* list of backpressured packets */
551 	struct tasklet_struct qresume_tsk; /* restarts the queue */
552 	u8 full;                    /* the Tx ring is full */
553 	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
554 } ____cacheline_aligned_in_smp;
555 
556 struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
557 	struct sge_txq q;
558 	struct adapter *adap;
559 	struct sk_buff_head sendq;  /* list of backpressured packets */
560 	struct tasklet_struct qresume_tsk; /* restarts the queue */
561 	u8 full;                    /* the Tx ring is full */
562 } ____cacheline_aligned_in_smp;
563 
564 struct sge {
565 	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
566 	struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS];
567 	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
568 
569 	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
570 	struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS];
571 	struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES];
572 	struct sge_ofld_rxq rdmaciq[MAX_RDMA_CIQS];
573 	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
574 
575 	struct sge_rspq intrq ____cacheline_aligned_in_smp;
576 	spinlock_t intrq_lock;
577 
578 	u16 max_ethqsets;           /* # of available Ethernet queue sets */
579 	u16 ethqsets;               /* # of active Ethernet queue sets */
580 	u16 ethtxq_rover;           /* Tx queue to clean up next */
581 	u16 ofldqsets;              /* # of active offload queue sets */
582 	u16 rdmaqs;                 /* # of available RDMA Rx queues */
583 	u16 rdmaciqs;               /* # of available RDMA concentrator IQs */
584 	u16 ofld_rxq[MAX_OFLD_QSETS];
585 	u16 rdma_rxq[NCHAN];
586 	u16 rdma_ciq[NCHAN];
587 	u16 timer_val[SGE_NTIMERS];
588 	u8 counter_val[SGE_NCOUNTERS];
589 	u32 fl_pg_order;            /* large page allocation size */
590 	u32 stat_len;               /* length of status page at ring end */
591 	u32 pktshift;               /* padding between CPL & packet data */
592 	u32 fl_align;               /* response queue message alignment */
593 	u32 fl_starve_thres;        /* Free List starvation threshold */
594 
595 	/* State variables for detecting an SGE Ingress DMA hang */
596 	unsigned int idma_1s_thresh;/* SGE same State Counter 1s threshold */
597 	unsigned int idma_stalled[2];/* SGE synthesized stalled timers in HZ */
598 	unsigned int idma_state[2]; /* SGE IDMA Hang detect state */
599 	unsigned int idma_qid[2];   /* SGE IDMA Hung Ingress Queue ID */
600 
601 	unsigned int egr_start;
602 	unsigned int ingr_start;
603 	void *egr_map[MAX_EGRQ];    /* qid->queue egress queue map */
604 	struct sge_rspq *ingr_map[MAX_INGQ]; /* qid->queue ingress queue map */
605 	DECLARE_BITMAP(starving_fl, MAX_EGRQ);
606 	DECLARE_BITMAP(txq_maperr, MAX_EGRQ);
607 	struct timer_list rx_timer; /* refills starving FLs */
608 	struct timer_list tx_timer; /* checks Tx queues */
609 };
610 
611 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
612 #define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
613 #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++)
614 #define for_each_rdmaciq(sge, i) for (i = 0; i < (sge)->rdmaciqs; i++)
615 
616 struct l2t_data;
617 
618 #ifdef CONFIG_PCI_IOV
619 
620 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
621  * Configuration initialization for T5 only has SR-IOV functionality enabled
622  * on PF0-3 in order to simplify everything.
623  */
624 #define NUM_OF_PF_WITH_SRIOV 4
625 
626 #endif
627 
628 struct adapter {
629 	void __iomem *regs;
630 	void __iomem *bar2;
631 	u32 t4_bar0;
632 	struct pci_dev *pdev;
633 	struct device *pdev_dev;
634 	unsigned int mbox;
635 	unsigned int fn;
636 	unsigned int flags;
637 	enum chip_type chip;
638 
639 	int msg_enable;
640 
641 	struct adapter_params params;
642 	struct cxgb4_virt_res vres;
643 	unsigned int swintr;
644 
645 	unsigned int wol;
646 
647 	struct {
648 		unsigned short vec;
649 		char desc[IFNAMSIZ + 10];
650 	} msix_info[MAX_INGQ + 1];
651 
652 	struct sge sge;
653 
654 	struct net_device *port[MAX_NPORTS];
655 	u8 chan_map[NCHAN];                   /* channel -> port map */
656 
657 	u32 filter_mode;
658 	unsigned int l2t_start;
659 	unsigned int l2t_end;
660 	struct l2t_data *l2t;
661 	void *uld_handle[CXGB4_ULD_MAX];
662 	struct list_head list_node;
663 	struct list_head rcu_node;
664 
665 	struct tid_info tids;
666 	void **tid_release_head;
667 	spinlock_t tid_release_lock;
668 	struct workqueue_struct *workq;
669 	struct work_struct tid_release_task;
670 	struct work_struct db_full_task;
671 	struct work_struct db_drop_task;
672 	bool tid_release_task_busy;
673 
674 	struct dentry *debugfs_root;
675 
676 	spinlock_t stats_lock;
677 	spinlock_t win0_lock ____cacheline_aligned_in_smp;
678 };
679 
680 /* Defined bit width of user definable filter tuples
681  */
682 #define ETHTYPE_BITWIDTH 16
683 #define FRAG_BITWIDTH 1
684 #define MACIDX_BITWIDTH 9
685 #define FCOE_BITWIDTH 1
686 #define IPORT_BITWIDTH 3
687 #define MATCHTYPE_BITWIDTH 3
688 #define PROTO_BITWIDTH 8
689 #define TOS_BITWIDTH 8
690 #define PF_BITWIDTH 8
691 #define VF_BITWIDTH 8
692 #define IVLAN_BITWIDTH 16
693 #define OVLAN_BITWIDTH 16
694 
695 /* Filter matching rules.  These consist of a set of ingress packet field
696  * (value, mask) tuples.  The associated ingress packet field matches the
697  * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
698  * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
699  * matches an ingress packet when all of the individual individual field
700  * matching rules are true.
701  *
702  * Partial field masks are always valid, however, while it may be easy to
703  * understand their meanings for some fields (e.g. IP address to match a
704  * subnet), for others making sensible partial masks is less intuitive (e.g.
705  * MPS match type) ...
706  *
707  * Most of the following data structures are modeled on T4 capabilities.
708  * Drivers for earlier chips use the subsets which make sense for those chips.
709  * We really need to come up with a hardware-independent mechanism to
710  * represent hardware filter capabilities ...
711  */
712 struct ch_filter_tuple {
713 	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
714 	 * register selects which of these fields will participate in the
715 	 * filter match rules -- up to a maximum of 36 bits.  Because
716 	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
717 	 * set of fields.
718 	 */
719 	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
720 	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
721 	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
722 	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
723 	uint32_t pfvf_vld:1;                    /* PF/VF valid */
724 	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
725 	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
726 	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
727 	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
728 	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
729 	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
730 	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
731 	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
732 	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
733 	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
734 
735 	/* Uncompressed header matching field rules.  These are always
736 	 * available for field rules.
737 	 */
738 	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
739 	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
740 	uint16_t lport;         /* local port */
741 	uint16_t fport;         /* foreign port */
742 };
743 
744 /* A filter ioctl command.
745  */
746 struct ch_filter_specification {
747 	/* Administrative fields for filter.
748 	 */
749 	uint32_t hitcnts:1;     /* count filter hits in TCB */
750 	uint32_t prio:1;        /* filter has priority over active/server */
751 
752 	/* Fundamental filter typing.  This is the one element of filter
753 	 * matching that doesn't exist as a (value, mask) tuple.
754 	 */
755 	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
756 
757 	/* Packet dispatch information.  Ingress packets which match the
758 	 * filter rules will be dropped, passed to the host or switched back
759 	 * out as egress packets.
760 	 */
761 	uint32_t action:2;      /* drop, pass, switch */
762 
763 	uint32_t rpttid:1;      /* report TID in RSS hash field */
764 
765 	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
766 	uint32_t iq:10;         /* ingress queue */
767 
768 	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
769 	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
770 				/*             1 => TCB contains IQ ID */
771 
772 	/* Switch proxy/rewrite fields.  An ingress packet which matches a
773 	 * filter with "switch" set will be looped back out as an egress
774 	 * packet -- potentially with some Ethernet header rewriting.
775 	 */
776 	uint32_t eport:2;       /* egress port to switch packet out */
777 	uint32_t newdmac:1;     /* rewrite destination MAC address */
778 	uint32_t newsmac:1;     /* rewrite source MAC address */
779 	uint32_t newvlan:2;     /* rewrite VLAN Tag */
780 	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
781 	uint8_t smac[ETH_ALEN]; /* new source MAC address */
782 	uint16_t vlan;          /* VLAN Tag to insert */
783 
784 	/* Filter rule value/mask pairs.
785 	 */
786 	struct ch_filter_tuple val;
787 	struct ch_filter_tuple mask;
788 };
789 
790 enum {
791 	FILTER_PASS = 0,        /* default */
792 	FILTER_DROP,
793 	FILTER_SWITCH
794 };
795 
796 enum {
797 	VLAN_NOCHANGE = 0,      /* default */
798 	VLAN_REMOVE,
799 	VLAN_INSERT,
800 	VLAN_REWRITE
801 };
802 
803 static inline int is_t5(enum chip_type chip)
804 {
805 	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5;
806 }
807 
808 static inline int is_t4(enum chip_type chip)
809 {
810 	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
811 }
812 
813 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
814 {
815 	return readl(adap->regs + reg_addr);
816 }
817 
818 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
819 {
820 	writel(val, adap->regs + reg_addr);
821 }
822 
823 #ifndef readq
824 static inline u64 readq(const volatile void __iomem *addr)
825 {
826 	return readl(addr) + ((u64)readl(addr + 4) << 32);
827 }
828 
829 static inline void writeq(u64 val, volatile void __iomem *addr)
830 {
831 	writel(val, addr);
832 	writel(val >> 32, addr + 4);
833 }
834 #endif
835 
836 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
837 {
838 	return readq(adap->regs + reg_addr);
839 }
840 
841 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
842 {
843 	writeq(val, adap->regs + reg_addr);
844 }
845 
846 /**
847  * netdev2pinfo - return the port_info structure associated with a net_device
848  * @dev: the netdev
849  *
850  * Return the struct port_info associated with a net_device
851  */
852 static inline struct port_info *netdev2pinfo(const struct net_device *dev)
853 {
854 	return netdev_priv(dev);
855 }
856 
857 /**
858  * adap2pinfo - return the port_info of a port
859  * @adap: the adapter
860  * @idx: the port index
861  *
862  * Return the port_info structure for the port of the given index.
863  */
864 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
865 {
866 	return netdev_priv(adap->port[idx]);
867 }
868 
869 /**
870  * netdev2adap - return the adapter structure associated with a net_device
871  * @dev: the netdev
872  *
873  * Return the struct adapter associated with a net_device
874  */
875 static inline struct adapter *netdev2adap(const struct net_device *dev)
876 {
877 	return netdev2pinfo(dev)->adapter;
878 }
879 
880 void t4_os_portmod_changed(const struct adapter *adap, int port_id);
881 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
882 
883 void *t4_alloc_mem(size_t size);
884 
885 void t4_free_sge_resources(struct adapter *adap);
886 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
887 irq_handler_t t4_intr_handler(struct adapter *adap);
888 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
889 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
890 		     const struct pkt_gl *gl);
891 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
892 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
893 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
894 		     struct net_device *dev, int intr_idx,
895 		     struct sge_fl *fl, rspq_handler_t hnd);
896 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
897 			 struct net_device *dev, struct netdev_queue *netdevq,
898 			 unsigned int iqid);
899 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
900 			  struct net_device *dev, unsigned int iqid,
901 			  unsigned int cmplqid);
902 int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq,
903 			  struct net_device *dev, unsigned int iqid);
904 irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
905 int t4_sge_init(struct adapter *adap);
906 void t4_sge_start(struct adapter *adap);
907 void t4_sge_stop(struct adapter *adap);
908 extern int dbfifo_int_thresh;
909 
910 #define for_each_port(adapter, iter) \
911 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
912 
913 static inline int is_bypass(struct adapter *adap)
914 {
915 	return adap->params.bypass;
916 }
917 
918 static inline int is_bypass_device(int device)
919 {
920 	/* this should be set based upon device capabilities */
921 	switch (device) {
922 	case 0x440b:
923 	case 0x440c:
924 		return 1;
925 	default:
926 		return 0;
927 	}
928 }
929 
930 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
931 {
932 	return adap->params.vpd.cclk / 1000;
933 }
934 
935 static inline unsigned int us_to_core_ticks(const struct adapter *adap,
936 					    unsigned int us)
937 {
938 	return (us * adap->params.vpd.cclk) / 1000;
939 }
940 
941 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
942 					    unsigned int ticks)
943 {
944 	/* add Core Clock / 2 to round ticks to nearest uS */
945 	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
946 		adapter->params.vpd.cclk);
947 }
948 
949 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
950 		      u32 val);
951 
952 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
953 		    void *rpl, bool sleep_ok);
954 
955 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
956 			     int size, void *rpl)
957 {
958 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
959 }
960 
961 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
962 				int size, void *rpl)
963 {
964 	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
965 }
966 
967 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
968 		       unsigned int data_reg, const u32 *vals,
969 		       unsigned int nregs, unsigned int start_idx);
970 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
971 		      unsigned int data_reg, u32 *vals, unsigned int nregs,
972 		      unsigned int start_idx);
973 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
974 
975 struct fw_filter_wr;
976 
977 void t4_intr_enable(struct adapter *adapter);
978 void t4_intr_disable(struct adapter *adapter);
979 int t4_slow_intr_handler(struct adapter *adapter);
980 
981 int t4_wait_dev_ready(void __iomem *regs);
982 int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port,
983 		  struct link_config *lc);
984 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
985 
986 #define T4_MEMORY_WRITE	0
987 #define T4_MEMORY_READ	1
988 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
989 		 __be32 *buf, int dir);
990 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
991 				  u32 len, __be32 *buf)
992 {
993 	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
994 }
995 
996 int t4_seeprom_wp(struct adapter *adapter, bool enable);
997 int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
998 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
999 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1000 		  const u8 *fw_data, unsigned int size, int force);
1001 unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1002 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1003 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1004 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1005 	       const u8 *fw_data, unsigned int fw_size,
1006 	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1007 int t4_prep_adapter(struct adapter *adapter);
1008 
1009 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1010 int cxgb4_t4_bar2_sge_qregs(struct adapter *adapter,
1011 		      unsigned int qid,
1012 		      enum t4_bar2_qtype qtype,
1013 		      u64 *pbar2_qoffset,
1014 		      unsigned int *pbar2_qid);
1015 
1016 int t4_init_sge_params(struct adapter *adapter);
1017 int t4_init_tp_params(struct adapter *adap);
1018 int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1019 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1020 void t4_fatal_err(struct adapter *adapter);
1021 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1022 			int start, int n, const u16 *rspq, unsigned int nrspq);
1023 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1024 		       unsigned int flags);
1025 int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
1026 	       u64 *parity);
1027 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
1028 		u64 *parity);
1029 const char *t4_get_port_type_description(enum fw_port_type port_type);
1030 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1031 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1032 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1033 			    unsigned int mask, unsigned int val);
1034 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1035 			 struct tp_tcp_stats *v6);
1036 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1037 		  const unsigned short *alpha, const unsigned short *beta);
1038 
1039 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1040 
1041 void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1042 			 const u8 *addr);
1043 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1044 		      u64 mask0, u64 mask1, unsigned int crc, bool enable);
1045 
1046 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1047 		enum dev_master master, enum dev_state *state);
1048 int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1049 int t4_early_init(struct adapter *adap, unsigned int mbox);
1050 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1051 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1052 			  unsigned int cache_line_size);
1053 int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1054 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1055 		    unsigned int vf, unsigned int nparams, const u32 *params,
1056 		    u32 *val);
1057 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1058 		  unsigned int vf, unsigned int nparams, const u32 *params,
1059 		  const u32 *val);
1060 int t4_set_params_nosleep(struct adapter *adap, unsigned int mbox,
1061 			  unsigned int pf, unsigned int vf,
1062 			  unsigned int nparams, const u32 *params,
1063 			  const u32 *val);
1064 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1065 		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1066 		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1067 		unsigned int vi, unsigned int cmask, unsigned int pmask,
1068 		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1069 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1070 		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1071 		unsigned int *rss_size);
1072 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1073 		int mtu, int promisc, int all_multi, int bcast, int vlanex,
1074 		bool sleep_ok);
1075 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1076 		      unsigned int viid, bool free, unsigned int naddr,
1077 		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1078 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1079 		  int idx, const u8 *addr, bool persist, bool add_smt);
1080 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1081 		     bool ucast, u64 vec, bool sleep_ok);
1082 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1083 			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1084 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1085 		 bool rx_en, bool tx_en);
1086 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1087 		     unsigned int nblinks);
1088 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1089 	       unsigned int mmd, unsigned int reg, u16 *valp);
1090 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1091 	       unsigned int mmd, unsigned int reg, u16 val);
1092 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1093 	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
1094 	       unsigned int fl0id, unsigned int fl1id);
1095 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1096 		   unsigned int vf, unsigned int eqid);
1097 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1098 		    unsigned int vf, unsigned int eqid);
1099 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1100 		    unsigned int vf, unsigned int eqid);
1101 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1102 void t4_db_full(struct adapter *adapter);
1103 void t4_db_dropped(struct adapter *adapter);
1104 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1105 			 u32 addr, u32 val);
1106 void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1107 void t4_free_mem(void *addr);
1108 #endif /* __CXGB4_H__ */
1109