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1 /*
2  * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef __CHELSIO_COMMON_H
33 #define __CHELSIO_COMMON_H
34 
35 #include <linux/kernel.h>
36 #include <linux/types.h>
37 #include <linux/ctype.h>
38 #include <linux/delay.h>
39 #include <linux/init.h>
40 #include <linux/netdevice.h>
41 #include <linux/ethtool.h>
42 #include <linux/mii.h>
43 #include "version.h"
44 
45 #define CH_ERR(adap, fmt, ...)   dev_err(&adap->pdev->dev, fmt, ## __VA_ARGS__)
46 #define CH_WARN(adap, fmt, ...)  dev_warn(&adap->pdev->dev, fmt, ## __VA_ARGS__)
47 #define CH_ALERT(adap, fmt, ...) \
48 	dev_printk(KERN_ALERT, &adap->pdev->dev, fmt, ## __VA_ARGS__)
49 
50 /*
51  * More powerful macro that selectively prints messages based on msg_enable.
52  * For info and debugging messages.
53  */
54 #define CH_MSG(adapter, level, category, fmt, ...) do { \
55 	if ((adapter)->msg_enable & NETIF_MSG_##category) \
56 		dev_printk(KERN_##level, &adapter->pdev->dev, fmt, \
57 			   ## __VA_ARGS__); \
58 } while (0)
59 
60 #ifdef DEBUG
61 # define CH_DBG(adapter, category, fmt, ...) \
62 	CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__)
63 #else
64 # define CH_DBG(adapter, category, fmt, ...)
65 #endif
66 
67 /* Additional NETIF_MSG_* categories */
68 #define NETIF_MSG_MMIO 0x8000000
69 
70 struct t3_rx_mode {
71 	struct net_device *dev;
72 	struct dev_mc_list *mclist;
73 	unsigned int idx;
74 };
75 
init_rx_mode(struct t3_rx_mode * p,struct net_device * dev,struct dev_mc_list * mclist)76 static inline void init_rx_mode(struct t3_rx_mode *p, struct net_device *dev,
77 				struct dev_mc_list *mclist)
78 {
79 	p->dev = dev;
80 	p->mclist = mclist;
81 	p->idx = 0;
82 }
83 
t3_get_next_mcaddr(struct t3_rx_mode * rm)84 static inline u8 *t3_get_next_mcaddr(struct t3_rx_mode *rm)
85 {
86 	u8 *addr = NULL;
87 
88 	if (rm->mclist && rm->idx < rm->dev->mc_count) {
89 		addr = rm->mclist->dmi_addr;
90 		rm->mclist = rm->mclist->next;
91 		rm->idx++;
92 	}
93 	return addr;
94 }
95 
96 enum {
97 	MAX_NPORTS = 2,		/* max # of ports */
98 	MAX_FRAME_SIZE = 10240,	/* max MAC frame size, including header + FCS */
99 	EEPROMSIZE = 8192,	/* Serial EEPROM size */
100 	SERNUM_LEN     = 16,    /* Serial # length */
101 	RSS_TABLE_SIZE = 64,	/* size of RSS lookup and mapping tables */
102 	TCB_SIZE = 128,		/* TCB size */
103 	NMTUS = 16,		/* size of MTU table */
104 	NCCTRL_WIN = 32,	/* # of congestion control windows */
105 	PROTO_SRAM_LINES = 128, /* size of TP sram */
106 };
107 
108 #define MAX_RX_COALESCING_LEN 12288U
109 
110 enum {
111 	PAUSE_RX = 1 << 0,
112 	PAUSE_TX = 1 << 1,
113 	PAUSE_AUTONEG = 1 << 2
114 };
115 
116 enum {
117 	SUPPORTED_IRQ      = 1 << 24
118 };
119 
120 enum {				/* adapter interrupt-maintained statistics */
121 	STAT_ULP_CH0_PBL_OOB,
122 	STAT_ULP_CH1_PBL_OOB,
123 	STAT_PCI_CORR_ECC,
124 
125 	IRQ_NUM_STATS		/* keep last */
126 };
127 
128 enum {
129 	TP_VERSION_MAJOR	= 1,
130 	TP_VERSION_MINOR	= 1,
131 	TP_VERSION_MICRO	= 0
132 };
133 
134 #define S_TP_VERSION_MAJOR		16
135 #define M_TP_VERSION_MAJOR		0xFF
136 #define V_TP_VERSION_MAJOR(x)		((x) << S_TP_VERSION_MAJOR)
137 #define G_TP_VERSION_MAJOR(x)		\
138 	    (((x) >> S_TP_VERSION_MAJOR) & M_TP_VERSION_MAJOR)
139 
140 #define S_TP_VERSION_MINOR		8
141 #define M_TP_VERSION_MINOR		0xFF
142 #define V_TP_VERSION_MINOR(x)		((x) << S_TP_VERSION_MINOR)
143 #define G_TP_VERSION_MINOR(x)		\
144 	    (((x) >> S_TP_VERSION_MINOR) & M_TP_VERSION_MINOR)
145 
146 #define S_TP_VERSION_MICRO		0
147 #define M_TP_VERSION_MICRO		0xFF
148 #define V_TP_VERSION_MICRO(x)		((x) << S_TP_VERSION_MICRO)
149 #define G_TP_VERSION_MICRO(x)		\
150 	    (((x) >> S_TP_VERSION_MICRO) & M_TP_VERSION_MICRO)
151 
152 enum {
153 	SGE_QSETS = 8,		/* # of SGE Tx/Rx/RspQ sets */
154 	SGE_RXQ_PER_SET = 2,	/* # of Rx queues per set */
155 	SGE_TXQ_PER_SET = 3	/* # of Tx queues per set */
156 };
157 
158 enum sge_context_type {		/* SGE egress context types */
159 	SGE_CNTXT_RDMA = 0,
160 	SGE_CNTXT_ETH = 2,
161 	SGE_CNTXT_OFLD = 4,
162 	SGE_CNTXT_CTRL = 5
163 };
164 
165 enum {
166 	AN_PKT_SIZE = 32,	/* async notification packet size */
167 	IMMED_PKT_SIZE = 48	/* packet size for immediate data */
168 };
169 
170 struct sg_ent {			/* SGE scatter/gather entry */
171 	__be32 len[2];
172 	__be64 addr[2];
173 };
174 
175 #ifndef SGE_NUM_GENBITS
176 /* Must be 1 or 2 */
177 # define SGE_NUM_GENBITS 2
178 #endif
179 
180 #define TX_DESC_FLITS 16U
181 #define WR_FLITS (TX_DESC_FLITS + 1 - SGE_NUM_GENBITS)
182 
183 struct cphy;
184 struct adapter;
185 
186 struct mdio_ops {
187 	int (*read)(struct adapter *adapter, int phy_addr, int mmd_addr,
188 		    int reg_addr, unsigned int *val);
189 	int (*write)(struct adapter *adapter, int phy_addr, int mmd_addr,
190 		     int reg_addr, unsigned int val);
191 };
192 
193 struct adapter_info {
194 	unsigned char nports;	/* # of ports */
195 	unsigned char phy_base_addr;	/* MDIO PHY base address */
196 	unsigned int gpio_out;	/* GPIO output settings */
197 	unsigned char gpio_intr[MAX_NPORTS]; /* GPIO PHY IRQ pins */
198 	unsigned long caps;	/* adapter capabilities */
199 	const struct mdio_ops *mdio_ops;	/* MDIO operations */
200 	const char *desc;	/* product description */
201 };
202 
203 struct mc5_stats {
204 	unsigned long parity_err;
205 	unsigned long active_rgn_full;
206 	unsigned long nfa_srch_err;
207 	unsigned long unknown_cmd;
208 	unsigned long reqq_parity_err;
209 	unsigned long dispq_parity_err;
210 	unsigned long del_act_empty;
211 };
212 
213 struct mc7_stats {
214 	unsigned long corr_err;
215 	unsigned long uncorr_err;
216 	unsigned long parity_err;
217 	unsigned long addr_err;
218 };
219 
220 struct mac_stats {
221 	u64 tx_octets;		/* total # of octets in good frames */
222 	u64 tx_octets_bad;	/* total # of octets in error frames */
223 	u64 tx_frames;		/* all good frames */
224 	u64 tx_mcast_frames;	/* good multicast frames */
225 	u64 tx_bcast_frames;	/* good broadcast frames */
226 	u64 tx_pause;		/* # of transmitted pause frames */
227 	u64 tx_deferred;	/* frames with deferred transmissions */
228 	u64 tx_late_collisions;	/* # of late collisions */
229 	u64 tx_total_collisions;	/* # of total collisions */
230 	u64 tx_excess_collisions;	/* frame errors from excessive collissions */
231 	u64 tx_underrun;	/* # of Tx FIFO underruns */
232 	u64 tx_len_errs;	/* # of Tx length errors */
233 	u64 tx_mac_internal_errs;	/* # of internal MAC errors on Tx */
234 	u64 tx_excess_deferral;	/* # of frames with excessive deferral */
235 	u64 tx_fcs_errs;	/* # of frames with bad FCS */
236 
237 	u64 tx_frames_64;	/* # of Tx frames in a particular range */
238 	u64 tx_frames_65_127;
239 	u64 tx_frames_128_255;
240 	u64 tx_frames_256_511;
241 	u64 tx_frames_512_1023;
242 	u64 tx_frames_1024_1518;
243 	u64 tx_frames_1519_max;
244 
245 	u64 rx_octets;		/* total # of octets in good frames */
246 	u64 rx_octets_bad;	/* total # of octets in error frames */
247 	u64 rx_frames;		/* all good frames */
248 	u64 rx_mcast_frames;	/* good multicast frames */
249 	u64 rx_bcast_frames;	/* good broadcast frames */
250 	u64 rx_pause;		/* # of received pause frames */
251 	u64 rx_fcs_errs;	/* # of received frames with bad FCS */
252 	u64 rx_align_errs;	/* alignment errors */
253 	u64 rx_symbol_errs;	/* symbol errors */
254 	u64 rx_data_errs;	/* data errors */
255 	u64 rx_sequence_errs;	/* sequence errors */
256 	u64 rx_runt;		/* # of runt frames */
257 	u64 rx_jabber;		/* # of jabber frames */
258 	u64 rx_short;		/* # of short frames */
259 	u64 rx_too_long;	/* # of oversized frames */
260 	u64 rx_mac_internal_errs;	/* # of internal MAC errors on Rx */
261 
262 	u64 rx_frames_64;	/* # of Rx frames in a particular range */
263 	u64 rx_frames_65_127;
264 	u64 rx_frames_128_255;
265 	u64 rx_frames_256_511;
266 	u64 rx_frames_512_1023;
267 	u64 rx_frames_1024_1518;
268 	u64 rx_frames_1519_max;
269 
270 	u64 rx_cong_drops;	/* # of Rx drops due to SGE congestion */
271 
272 	unsigned long tx_fifo_parity_err;
273 	unsigned long rx_fifo_parity_err;
274 	unsigned long tx_fifo_urun;
275 	unsigned long rx_fifo_ovfl;
276 	unsigned long serdes_signal_loss;
277 	unsigned long xaui_pcs_ctc_err;
278 	unsigned long xaui_pcs_align_change;
279 
280 	unsigned long num_toggled; /* # times toggled TxEn due to stuck TX */
281 	unsigned long num_resets;  /* # times reset due to stuck TX */
282 
283 };
284 
285 struct tp_mib_stats {
286 	u32 ipInReceive_hi;
287 	u32 ipInReceive_lo;
288 	u32 ipInHdrErrors_hi;
289 	u32 ipInHdrErrors_lo;
290 	u32 ipInAddrErrors_hi;
291 	u32 ipInAddrErrors_lo;
292 	u32 ipInUnknownProtos_hi;
293 	u32 ipInUnknownProtos_lo;
294 	u32 ipInDiscards_hi;
295 	u32 ipInDiscards_lo;
296 	u32 ipInDelivers_hi;
297 	u32 ipInDelivers_lo;
298 	u32 ipOutRequests_hi;
299 	u32 ipOutRequests_lo;
300 	u32 ipOutDiscards_hi;
301 	u32 ipOutDiscards_lo;
302 	u32 ipOutNoRoutes_hi;
303 	u32 ipOutNoRoutes_lo;
304 	u32 ipReasmTimeout;
305 	u32 ipReasmReqds;
306 	u32 ipReasmOKs;
307 	u32 ipReasmFails;
308 
309 	u32 reserved[8];
310 
311 	u32 tcpActiveOpens;
312 	u32 tcpPassiveOpens;
313 	u32 tcpAttemptFails;
314 	u32 tcpEstabResets;
315 	u32 tcpOutRsts;
316 	u32 tcpCurrEstab;
317 	u32 tcpInSegs_hi;
318 	u32 tcpInSegs_lo;
319 	u32 tcpOutSegs_hi;
320 	u32 tcpOutSegs_lo;
321 	u32 tcpRetransSeg_hi;
322 	u32 tcpRetransSeg_lo;
323 	u32 tcpInErrs_hi;
324 	u32 tcpInErrs_lo;
325 	u32 tcpRtoMin;
326 	u32 tcpRtoMax;
327 };
328 
329 struct tp_params {
330 	unsigned int nchan;	/* # of channels */
331 	unsigned int pmrx_size;	/* total PMRX capacity */
332 	unsigned int pmtx_size;	/* total PMTX capacity */
333 	unsigned int cm_size;	/* total CM capacity */
334 	unsigned int chan_rx_size;	/* per channel Rx size */
335 	unsigned int chan_tx_size;	/* per channel Tx size */
336 	unsigned int rx_pg_size;	/* Rx page size */
337 	unsigned int tx_pg_size;	/* Tx page size */
338 	unsigned int rx_num_pgs;	/* # of Rx pages */
339 	unsigned int tx_num_pgs;	/* # of Tx pages */
340 	unsigned int ntimer_qs;	/* # of timer queues */
341 };
342 
343 struct qset_params {		/* SGE queue set parameters */
344 	unsigned int polling;	/* polling/interrupt service for rspq */
345 	unsigned int lro;	/* large receive offload */
346 	unsigned int coalesce_usecs;	/* irq coalescing timer */
347 	unsigned int rspq_size;	/* # of entries in response queue */
348 	unsigned int fl_size;	/* # of entries in regular free list */
349 	unsigned int jumbo_size;	/* # of entries in jumbo free list */
350 	unsigned int txq_size[SGE_TXQ_PER_SET];	/* Tx queue sizes */
351 	unsigned int cong_thres;	/* FL congestion threshold */
352 	unsigned int vector;		/* Interrupt (line or vector) number */
353 };
354 
355 struct sge_params {
356 	unsigned int max_pkt_size;	/* max offload pkt size */
357 	struct qset_params qset[SGE_QSETS];
358 };
359 
360 struct mc5_params {
361 	unsigned int mode;	/* selects MC5 width */
362 	unsigned int nservers;	/* size of server region */
363 	unsigned int nfilters;	/* size of filter region */
364 	unsigned int nroutes;	/* size of routing region */
365 };
366 
367 /* Default MC5 region sizes */
368 enum {
369 	DEFAULT_NSERVERS = 512,
370 	DEFAULT_NFILTERS = 128
371 };
372 
373 /* MC5 modes, these must be non-0 */
374 enum {
375 	MC5_MODE_144_BIT = 1,
376 	MC5_MODE_72_BIT = 2
377 };
378 
379 /* MC5 min active region size */
380 enum { MC5_MIN_TIDS = 16 };
381 
382 struct vpd_params {
383 	unsigned int cclk;
384 	unsigned int mclk;
385 	unsigned int uclk;
386 	unsigned int mdc;
387 	unsigned int mem_timing;
388 	u8 sn[SERNUM_LEN + 1];
389 	u8 eth_base[6];
390 	u8 port_type[MAX_NPORTS];
391 	unsigned short xauicfg[2];
392 };
393 
394 struct pci_params {
395 	unsigned int vpd_cap_addr;
396 	unsigned int pcie_cap_addr;
397 	unsigned short speed;
398 	unsigned char width;
399 	unsigned char variant;
400 };
401 
402 enum {
403 	PCI_VARIANT_PCI,
404 	PCI_VARIANT_PCIX_MODE1_PARITY,
405 	PCI_VARIANT_PCIX_MODE1_ECC,
406 	PCI_VARIANT_PCIX_266_MODE2,
407 	PCI_VARIANT_PCIE
408 };
409 
410 struct adapter_params {
411 	struct sge_params sge;
412 	struct mc5_params mc5;
413 	struct tp_params tp;
414 	struct vpd_params vpd;
415 	struct pci_params pci;
416 
417 	const struct adapter_info *info;
418 
419 	unsigned short mtus[NMTUS];
420 	unsigned short a_wnd[NCCTRL_WIN];
421 	unsigned short b_wnd[NCCTRL_WIN];
422 
423 	unsigned int nports;	/* # of ethernet ports */
424 	unsigned int stats_update_period;	/* MAC stats accumulation period */
425 	unsigned int linkpoll_period;	/* link poll period in 0.1s */
426 	unsigned int rev;	/* chip revision */
427 	unsigned int offload;
428 };
429 
430 enum {					    /* chip revisions */
431 	T3_REV_A  = 0,
432 	T3_REV_B  = 2,
433 	T3_REV_B2 = 3,
434 	T3_REV_C  = 4,
435 };
436 
437 struct trace_params {
438 	u32 sip;
439 	u32 sip_mask;
440 	u32 dip;
441 	u32 dip_mask;
442 	u16 sport;
443 	u16 sport_mask;
444 	u16 dport;
445 	u16 dport_mask;
446 	u32 vlan:12;
447 	u32 vlan_mask:12;
448 	u32 intf:4;
449 	u32 intf_mask:4;
450 	u8 proto;
451 	u8 proto_mask;
452 };
453 
454 struct link_config {
455 	unsigned int supported;	/* link capabilities */
456 	unsigned int advertising;	/* advertised capabilities */
457 	unsigned short requested_speed;	/* speed user has requested */
458 	unsigned short speed;	/* actual link speed */
459 	unsigned char requested_duplex;	/* duplex user has requested */
460 	unsigned char duplex;	/* actual link duplex */
461 	unsigned char requested_fc;	/* flow control user has requested */
462 	unsigned char fc;	/* actual link flow control */
463 	unsigned char autoneg;	/* autonegotiating? */
464 	unsigned int link_ok;	/* link up? */
465 };
466 
467 #define SPEED_INVALID   0xffff
468 #define DUPLEX_INVALID  0xff
469 
470 struct mc5 {
471 	struct adapter *adapter;
472 	unsigned int tcam_size;
473 	unsigned char part_type;
474 	unsigned char parity_enabled;
475 	unsigned char mode;
476 	struct mc5_stats stats;
477 };
478 
t3_mc5_size(const struct mc5 * p)479 static inline unsigned int t3_mc5_size(const struct mc5 *p)
480 {
481 	return p->tcam_size;
482 }
483 
484 struct mc7 {
485 	struct adapter *adapter;	/* backpointer to adapter */
486 	unsigned int size;	/* memory size in bytes */
487 	unsigned int width;	/* MC7 interface width */
488 	unsigned int offset;	/* register address offset for MC7 instance */
489 	const char *name;	/* name of MC7 instance */
490 	struct mc7_stats stats;	/* MC7 statistics */
491 };
492 
t3_mc7_size(const struct mc7 * p)493 static inline unsigned int t3_mc7_size(const struct mc7 *p)
494 {
495 	return p->size;
496 }
497 
498 struct cmac {
499 	struct adapter *adapter;
500 	unsigned int offset;
501 	unsigned int nucast;	/* # of address filters for unicast MACs */
502 	unsigned int tx_tcnt;
503 	unsigned int tx_xcnt;
504 	u64 tx_mcnt;
505 	unsigned int rx_xcnt;
506 	unsigned int rx_ocnt;
507 	u64 rx_mcnt;
508 	unsigned int toggle_cnt;
509 	unsigned int txen;
510 	u64 rx_pause;
511 	struct mac_stats stats;
512 };
513 
514 enum {
515 	MAC_DIRECTION_RX = 1,
516 	MAC_DIRECTION_TX = 2,
517 	MAC_RXFIFO_SIZE = 32768
518 };
519 
520 /* IEEE 802.3 specified MDIO devices */
521 enum {
522 	MDIO_DEV_PMA_PMD = 1,
523 	MDIO_DEV_WIS = 2,
524 	MDIO_DEV_PCS = 3,
525 	MDIO_DEV_XGXS = 4,
526 	MDIO_DEV_ANEG = 7,
527 	MDIO_DEV_VEND1 = 30,
528 	MDIO_DEV_VEND2 = 31
529 };
530 
531 /* LASI control and status registers */
532 enum {
533 	RX_ALARM_CTRL = 0x9000,
534 	TX_ALARM_CTRL = 0x9001,
535 	LASI_CTRL = 0x9002,
536 	RX_ALARM_STAT = 0x9003,
537 	TX_ALARM_STAT = 0x9004,
538 	LASI_STAT = 0x9005
539 };
540 
541 /* PHY loopback direction */
542 enum {
543 	PHY_LOOPBACK_TX = 1,
544 	PHY_LOOPBACK_RX = 2
545 };
546 
547 /* PHY interrupt types */
548 enum {
549 	cphy_cause_link_change = 1,
550 	cphy_cause_fifo_error = 2,
551 	cphy_cause_module_change = 4,
552 };
553 
554 /* PHY module types */
555 enum {
556 	phy_modtype_none,
557 	phy_modtype_sr,
558 	phy_modtype_lr,
559 	phy_modtype_lrm,
560 	phy_modtype_twinax,
561 	phy_modtype_twinax_long,
562 	phy_modtype_unknown
563 };
564 
565 /* PHY operations */
566 struct cphy_ops {
567 	int (*reset)(struct cphy *phy, int wait);
568 
569 	int (*intr_enable)(struct cphy *phy);
570 	int (*intr_disable)(struct cphy *phy);
571 	int (*intr_clear)(struct cphy *phy);
572 	int (*intr_handler)(struct cphy *phy);
573 
574 	int (*autoneg_enable)(struct cphy *phy);
575 	int (*autoneg_restart)(struct cphy *phy);
576 
577 	int (*advertise)(struct cphy *phy, unsigned int advertise_map);
578 	int (*set_loopback)(struct cphy *phy, int mmd, int dir, int enable);
579 	int (*set_speed_duplex)(struct cphy *phy, int speed, int duplex);
580 	int (*get_link_status)(struct cphy *phy, int *link_ok, int *speed,
581 			       int *duplex, int *fc);
582 	int (*power_down)(struct cphy *phy, int enable);
583 };
584 
585 /* A PHY instance */
586 struct cphy {
587 	u8 addr;			/* PHY address */
588 	u8 modtype;			/* PHY module type */
589 	short priv;			/* scratch pad */
590 	unsigned int caps;		/* PHY capabilities */
591 	struct adapter *adapter;	/* associated adapter */
592 	const char *desc;		/* PHY description */
593 	unsigned long fifo_errors;	/* FIFO over/under-flows */
594 	const struct cphy_ops *ops;	/* PHY operations */
595 	int (*mdio_read)(struct adapter *adapter, int phy_addr, int mmd_addr,
596 			 int reg_addr, unsigned int *val);
597 	int (*mdio_write)(struct adapter *adapter, int phy_addr, int mmd_addr,
598 			  int reg_addr, unsigned int val);
599 };
600 
601 /* Convenience MDIO read/write wrappers */
mdio_read(struct cphy * phy,int mmd,int reg,unsigned int * valp)602 static inline int mdio_read(struct cphy *phy, int mmd, int reg,
603 			    unsigned int *valp)
604 {
605 	return phy->mdio_read(phy->adapter, phy->addr, mmd, reg, valp);
606 }
607 
mdio_write(struct cphy * phy,int mmd,int reg,unsigned int val)608 static inline int mdio_write(struct cphy *phy, int mmd, int reg,
609 			     unsigned int val)
610 {
611 	return phy->mdio_write(phy->adapter, phy->addr, mmd, reg, val);
612 }
613 
614 /* Convenience initializer */
cphy_init(struct cphy * phy,struct adapter * adapter,int phy_addr,struct cphy_ops * phy_ops,const struct mdio_ops * mdio_ops,unsigned int caps,const char * desc)615 static inline void cphy_init(struct cphy *phy, struct adapter *adapter,
616 			     int phy_addr, struct cphy_ops *phy_ops,
617 			     const struct mdio_ops *mdio_ops,
618 			      unsigned int caps, const char *desc)
619 {
620 	phy->addr = phy_addr;
621 	phy->caps = caps;
622 	phy->adapter = adapter;
623 	phy->desc = desc;
624 	phy->ops = phy_ops;
625 	if (mdio_ops) {
626 		phy->mdio_read = mdio_ops->read;
627 		phy->mdio_write = mdio_ops->write;
628 	}
629 }
630 
631 /* Accumulate MAC statistics every 180 seconds.  For 1G we multiply by 10. */
632 #define MAC_STATS_ACCUM_SECS 180
633 
634 #define XGM_REG(reg_addr, idx) \
635 	((reg_addr) + (idx) * (XGMAC0_1_BASE_ADDR - XGMAC0_0_BASE_ADDR))
636 
637 struct addr_val_pair {
638 	unsigned int reg_addr;
639 	unsigned int val;
640 };
641 
642 #include "adapter.h"
643 
644 #ifndef PCI_VENDOR_ID_CHELSIO
645 # define PCI_VENDOR_ID_CHELSIO 0x1425
646 #endif
647 
648 #define for_each_port(adapter, iter) \
649 	for (iter = 0; iter < (adapter)->params.nports; ++iter)
650 
651 #define adapter_info(adap) ((adap)->params.info)
652 
uses_xaui(const struct adapter * adap)653 static inline int uses_xaui(const struct adapter *adap)
654 {
655 	return adapter_info(adap)->caps & SUPPORTED_AUI;
656 }
657 
is_10G(const struct adapter * adap)658 static inline int is_10G(const struct adapter *adap)
659 {
660 	return adapter_info(adap)->caps & SUPPORTED_10000baseT_Full;
661 }
662 
is_offload(const struct adapter * adap)663 static inline int is_offload(const struct adapter *adap)
664 {
665 	return adap->params.offload;
666 }
667 
core_ticks_per_usec(const struct adapter * adap)668 static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
669 {
670 	return adap->params.vpd.cclk / 1000;
671 }
672 
is_pcie(const struct adapter * adap)673 static inline unsigned int is_pcie(const struct adapter *adap)
674 {
675 	return adap->params.pci.variant == PCI_VARIANT_PCIE;
676 }
677 
678 void t3_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
679 		      u32 val);
680 void t3_write_regs(struct adapter *adapter, const struct addr_val_pair *p,
681 		   int n, unsigned int offset);
682 int t3_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
683 			int polarity, int attempts, int delay, u32 *valp);
t3_wait_op_done(struct adapter * adapter,int reg,u32 mask,int polarity,int attempts,int delay)684 static inline int t3_wait_op_done(struct adapter *adapter, int reg, u32 mask,
685 				  int polarity, int attempts, int delay)
686 {
687 	return t3_wait_op_done_val(adapter, reg, mask, polarity, attempts,
688 				   delay, NULL);
689 }
690 int t3_mdio_change_bits(struct cphy *phy, int mmd, int reg, unsigned int clear,
691 			unsigned int set);
692 int t3_phy_reset(struct cphy *phy, int mmd, int wait);
693 int t3_phy_advertise(struct cphy *phy, unsigned int advert);
694 int t3_phy_advertise_fiber(struct cphy *phy, unsigned int advert);
695 int t3_set_phy_speed_duplex(struct cphy *phy, int speed, int duplex);
696 int t3_phy_lasi_intr_enable(struct cphy *phy);
697 int t3_phy_lasi_intr_disable(struct cphy *phy);
698 int t3_phy_lasi_intr_clear(struct cphy *phy);
699 int t3_phy_lasi_intr_handler(struct cphy *phy);
700 
701 void t3_intr_enable(struct adapter *adapter);
702 void t3_intr_disable(struct adapter *adapter);
703 void t3_intr_clear(struct adapter *adapter);
704 void t3_port_intr_enable(struct adapter *adapter, int idx);
705 void t3_port_intr_disable(struct adapter *adapter, int idx);
706 void t3_port_intr_clear(struct adapter *adapter, int idx);
707 int t3_slow_intr_handler(struct adapter *adapter);
708 int t3_phy_intr_handler(struct adapter *adapter);
709 
710 void t3_link_changed(struct adapter *adapter, int port_id);
711 int t3_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
712 const struct adapter_info *t3_get_adapter_info(unsigned int board_id);
713 int t3_seeprom_read(struct adapter *adapter, u32 addr, __le32 *data);
714 int t3_seeprom_write(struct adapter *adapter, u32 addr, __le32 data);
715 int t3_seeprom_wp(struct adapter *adapter, int enable);
716 int t3_get_tp_version(struct adapter *adapter, u32 *vers);
717 int t3_check_tpsram_version(struct adapter *adapter);
718 int t3_check_tpsram(struct adapter *adapter, const u8 *tp_ram,
719 		    unsigned int size);
720 int t3_set_proto_sram(struct adapter *adap, const u8 *data);
721 int t3_read_flash(struct adapter *adapter, unsigned int addr,
722 		  unsigned int nwords, u32 *data, int byte_oriented);
723 int t3_load_fw(struct adapter *adapter, const u8 * fw_data, unsigned int size);
724 int t3_get_fw_version(struct adapter *adapter, u32 *vers);
725 int t3_check_fw_version(struct adapter *adapter);
726 int t3_init_hw(struct adapter *adapter, u32 fw_params);
727 void mac_prep(struct cmac *mac, struct adapter *adapter, int index);
728 void early_hw_init(struct adapter *adapter, const struct adapter_info *ai);
729 int t3_reset_adapter(struct adapter *adapter);
730 int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
731 		    int reset);
732 int t3_replay_prep_adapter(struct adapter *adapter);
733 void t3_led_ready(struct adapter *adapter);
734 void t3_fatal_err(struct adapter *adapter);
735 void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on);
736 void t3_config_rss(struct adapter *adapter, unsigned int rss_config,
737 		   const u8 * cpus, const u16 *rspq);
738 int t3_read_rss(struct adapter *adapter, u8 * lkup, u16 *map);
739 int t3_mps_set_active_ports(struct adapter *adap, unsigned int port_mask);
740 int t3_cim_ctl_blk_read(struct adapter *adap, unsigned int addr,
741 			unsigned int n, unsigned int *valp);
742 int t3_mc7_bd_read(struct mc7 *mc7, unsigned int start, unsigned int n,
743 		   u64 *buf);
744 
745 int t3_mac_reset(struct cmac *mac);
746 void t3b_pcs_reset(struct cmac *mac);
747 int t3_mac_enable(struct cmac *mac, int which);
748 int t3_mac_disable(struct cmac *mac, int which);
749 int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu);
750 int t3_mac_set_rx_mode(struct cmac *mac, struct t3_rx_mode *rm);
751 int t3_mac_set_address(struct cmac *mac, unsigned int idx, u8 addr[6]);
752 int t3_mac_set_num_ucast(struct cmac *mac, int n);
753 const struct mac_stats *t3_mac_update_stats(struct cmac *mac);
754 int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc);
755 int t3b2_mac_watchdog_task(struct cmac *mac);
756 
757 void t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode);
758 int t3_mc5_init(struct mc5 *mc5, unsigned int nservers, unsigned int nfilters,
759 		unsigned int nroutes);
760 void t3_mc5_intr_handler(struct mc5 *mc5);
761 int t3_read_mc5_range(const struct mc5 *mc5, unsigned int start, unsigned int n,
762 		      u32 *buf);
763 
764 int t3_tp_set_coalescing_size(struct adapter *adap, unsigned int size, int psh);
765 void t3_tp_set_max_rxsize(struct adapter *adap, unsigned int size);
766 void t3_tp_set_offload_mode(struct adapter *adap, int enable);
767 void t3_tp_get_mib_stats(struct adapter *adap, struct tp_mib_stats *tps);
768 void t3_load_mtus(struct adapter *adap, unsigned short mtus[NMTUS],
769 		  unsigned short alpha[NCCTRL_WIN],
770 		  unsigned short beta[NCCTRL_WIN], unsigned short mtu_cap);
771 void t3_read_hw_mtus(struct adapter *adap, unsigned short mtus[NMTUS]);
772 void t3_get_cong_cntl_tab(struct adapter *adap,
773 			  unsigned short incr[NMTUS][NCCTRL_WIN]);
774 void t3_config_trace_filter(struct adapter *adapter,
775 			    const struct trace_params *tp, int filter_index,
776 			    int invert, int enable);
777 int t3_config_sched(struct adapter *adap, unsigned int kbps, int sched);
778 
779 void t3_sge_prep(struct adapter *adap, struct sge_params *p);
780 void t3_sge_init(struct adapter *adap, struct sge_params *p);
781 int t3_sge_init_ecntxt(struct adapter *adapter, unsigned int id, int gts_enable,
782 		       enum sge_context_type type, int respq, u64 base_addr,
783 		       unsigned int size, unsigned int token, int gen,
784 		       unsigned int cidx);
785 int t3_sge_init_flcntxt(struct adapter *adapter, unsigned int id,
786 			int gts_enable, u64 base_addr, unsigned int size,
787 			unsigned int esize, unsigned int cong_thres, int gen,
788 			unsigned int cidx);
789 int t3_sge_init_rspcntxt(struct adapter *adapter, unsigned int id,
790 			 int irq_vec_idx, u64 base_addr, unsigned int size,
791 			 unsigned int fl_thres, int gen, unsigned int cidx);
792 int t3_sge_init_cqcntxt(struct adapter *adapter, unsigned int id, u64 base_addr,
793 			unsigned int size, int rspq, int ovfl_mode,
794 			unsigned int credits, unsigned int credit_thres);
795 int t3_sge_enable_ecntxt(struct adapter *adapter, unsigned int id, int enable);
796 int t3_sge_disable_fl(struct adapter *adapter, unsigned int id);
797 int t3_sge_disable_rspcntxt(struct adapter *adapter, unsigned int id);
798 int t3_sge_disable_cqcntxt(struct adapter *adapter, unsigned int id);
799 int t3_sge_read_ecntxt(struct adapter *adapter, unsigned int id, u32 data[4]);
800 int t3_sge_read_fl(struct adapter *adapter, unsigned int id, u32 data[4]);
801 int t3_sge_read_cq(struct adapter *adapter, unsigned int id, u32 data[4]);
802 int t3_sge_read_rspq(struct adapter *adapter, unsigned int id, u32 data[4]);
803 int t3_sge_cqcntxt_op(struct adapter *adapter, unsigned int id, unsigned int op,
804 		      unsigned int credits);
805 
806 int t3_vsc8211_phy_prep(struct cphy *phy, struct adapter *adapter,
807 			int phy_addr, const struct mdio_ops *mdio_ops);
808 int t3_ael1002_phy_prep(struct cphy *phy, struct adapter *adapter,
809 			int phy_addr, const struct mdio_ops *mdio_ops);
810 int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
811 			int phy_addr, const struct mdio_ops *mdio_ops);
812 int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
813 			int phy_addr, const struct mdio_ops *mdio_ops);
814 int t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
815 		       const struct mdio_ops *mdio_ops);
816 int t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
817 			    int phy_addr, const struct mdio_ops *mdio_ops);
818 #endif				/* __CHELSIO_COMMON_H */
819