xref: /illumos-gate/usr/src/uts/common/io/cxgbe/t4nex/adapter.h (revision 142d813a06c6f9a6142e2c276b62129a17a31a65)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source. A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * This file is part of the Chelsio T4 support code.
14  *
15  * Copyright (C) 2011-2013 Chelsio Communications.  All rights reserved.
16  *
17  * This program is distributed in the hope that it will be useful, but WITHOUT
18  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19  * FITNESS FOR A PARTICULAR PURPOSE.  See the LICENSE file included in this
20  * release for licensing terms and conditions.
21  */
22 
23 #ifndef __CXGBE_ADAPTER_H
24 #define	__CXGBE_ADAPTER_H
25 
26 #include <sys/ddi.h>
27 #include <sys/mac_provider.h>
28 #include <sys/ethernet.h>
29 #include <sys/queue.h>
30 #include <sys/containerof.h>
31 
32 #include "offload.h"
33 #include "firmware/t4fw_interface.h"
34 #include "shared.h"
35 
36 struct adapter;
37 typedef struct adapter adapter_t;
38 
39 enum {
40 	FW_IQ_QSIZE = 256,
41 	FW_IQ_ESIZE = 64,	/* At least 64 mandated by the firmware spec */
42 
43 	RX_IQ_QSIZE = 1024,
44 	RX_IQ_ESIZE = 64,	/* At least 64 so CPL_RX_PKT will fit */
45 
46 	EQ_ESIZE = 64,		/* All egres queues use this entry size */
47 
48 	RX_FL_ESIZE = 64,	/* 8 64bit addresses */
49 
50 	FL_BUF_SIZES = 4,
51 
52 	CTRL_EQ_QSIZE = 128,
53 
54 	TX_EQ_QSIZE = 1024,
55 	TX_SGL_SEGS = 36,
56 	TX_WR_FLITS = SGE_MAX_WR_LEN / 8
57 };
58 
59 enum {
60 	/* adapter flags */
61 	FULL_INIT_DONE	= (1 << 0),
62 	FW_OK		= (1 << 1),
63 	INTR_FWD	= (1 << 2),
64 	INTR_ALLOCATED	= (1 << 3),
65 	MASTER_PF	= (1 << 4),
66 
67 	CXGBE_BUSY	= (1 << 9),
68 
69 	/* port flags */
70 	DOOMED		= (1 << 0),
71 	PORT_INIT_DONE	= (1 << 1),
72 };
73 
74 enum {
75 	/* Features */
76 	CXGBE_HW_LSO	= (1 << 0),
77 	CXGBE_HW_CSUM	= (1 << 1),
78 };
79 
80 enum {
81 	UDBS_SEG_SHIFT	= 7,	/* log2(UDBS_SEG_SIZE) */
82 	UDBS_DB_OFFSET	= 8,	/* offset of the 4B doorbell in a segment */
83 	UDBS_WR_OFFSET	= 64,	/* offset of the work request in a segment */
84 };
85 
86 #define	IS_DOOMED(pi)	(pi->flags & DOOMED)
87 #define	SET_DOOMED(pi)	do { pi->flags |= DOOMED; } while (0)
88 #define	IS_BUSY(sc)	(sc->flags & CXGBE_BUSY)
89 #define	SET_BUSY(sc)	do { sc->flags |= CXGBE_BUSY; } while (0)
90 #define	CLR_BUSY(sc)	do { sc->flags &= ~CXGBE_BUSY; } while (0)
91 
92 struct port_info {
93 	PORT_INFO_HDR;
94 
95 	kmutex_t lock;
96 	struct adapter *adapter;
97 
98 #ifdef TCP_OFFLOAD_ENABLE
99 	void *tdev;
100 #endif
101 
102 	unsigned int flags;
103 
104 	uint16_t viid;
105 	int16_t  xact_addr_filt; /* index of exact MAC address filter */
106 	uint16_t rss_size;	/* size of VI's RSS table slice */
107 	uint16_t ntxq;		/* # of tx queues */
108 	uint16_t first_txq;	/* index of first tx queue */
109 	uint16_t nrxq;		/* # of rx queues */
110 	uint16_t first_rxq;	/* index of first rx queue */
111 #ifdef TCP_OFFLOAD_ENABLE
112 	uint16_t nofldtxq;		/* # of offload tx queues */
113 	uint16_t first_ofld_txq;	/* index of first offload tx queue */
114 	uint16_t nofldrxq;		/* # of offload rx queues */
115 	uint16_t first_ofld_rxq;	/* index of first offload rx queue */
116 #endif
117 	uint8_t  lport;		/* associated offload logical port */
118 	int8_t   mdio_addr;
119 	uint8_t  port_type;
120 	uint8_t  mod_type;
121 	uint8_t  port_id;
122 	uint8_t  tx_chan;
123 	uint8_t  rx_chan;
124 	uint8_t instance; /* Associated adapter instance */
125 	uint8_t child_inst; /* Associated child instance */
126 	uint8_t	tmr_idx;
127 	int8_t	pktc_idx;
128 	struct link_config link_cfg;
129 	struct port_stats stats;
130 	uint32_t features;
131 	uint8_t macaddr_cnt;
132 	u8 rss_mode;
133 	u16 viid_mirror;
134 	kstat_t *ksp_config;
135 	kstat_t *ksp_info;
136 };
137 
138 struct fl_sdesc {
139 	struct rxbuf *rxb;
140 };
141 
142 struct tx_desc {
143 	__be64 flit[8];
144 };
145 
146 /* DMA maps used for tx */
147 struct tx_maps {
148 	ddi_dma_handle_t *map;
149 	uint32_t map_total;	/* # of DMA maps */
150 	uint32_t map_pidx;	/* next map to be used */
151 	uint32_t map_cidx;	/* reclaimed up to this index */
152 	uint32_t map_avail;	/* # of available maps */
153 };
154 
155 struct tx_sdesc {
156 	mblk_t *m;
157 	uint32_t txb_used;	/* # of bytes of tx copy buffer used */
158 	uint16_t hdls_used;	/* # of dma handles used */
159 	uint16_t desc_used;	/* # of hardware descriptors used */
160 };
161 
162 enum {
163 	/* iq flags */
164 	IQ_ALLOCATED	= (1 << 0),	/* firmware resources allocated */
165 	IQ_INTR		= (1 << 1),	/* iq takes direct interrupt */
166 	IQ_HAS_FL	= (1 << 2),	/* iq has fl */
167 
168 	/* iq state */
169 	IQS_DISABLED	= 0,
170 	IQS_BUSY	= 1,
171 	IQS_IDLE	= 2,
172 };
173 
174 /*
175  * Ingress Queue: T4 is producer, driver is consumer.
176  */
177 struct sge_iq {
178 	unsigned int flags;
179 	ddi_dma_handle_t dhdl;
180 	ddi_acc_handle_t ahdl;
181 
182 	volatile uint_t state;
183 	__be64 *desc;		/* KVA of descriptor ring */
184 	uint64_t ba;		/* bus address of descriptor ring */
185 	const __be64 *cdesc;	/* current descriptor */
186 	struct adapter *adapter; /* associated  adapter */
187 	uint8_t  gen;		/* generation bit */
188 	uint8_t  intr_params;	/* interrupt holdoff parameters */
189 	int8_t   intr_pktc_idx;	/* packet count threshold index */
190 	uint8_t  intr_next;	/* holdoff for next interrupt */
191 	uint8_t  esize;		/* size (bytes) of each entry in the queue */
192 	uint16_t qsize;		/* size (# of entries) of the queue */
193 	uint16_t cidx;		/* consumer index */
194 	uint16_t pending;	/* # of descs processed since last doorbell */
195 	uint16_t cntxt_id;	/* SGE context id  for the iq */
196 	uint16_t abs_id;	/* absolute SGE id for the iq */
197 	kmutex_t lock;		/* Rx access lock */
198 	uint8_t polling;
199 
200 	STAILQ_ENTRY(sge_iq) link;
201 };
202 
203 enum {
204 	EQ_CTRL		= 1,
205 	EQ_ETH		= 2,
206 #ifdef TCP_OFFLOAD_ENABLE
207 	EQ_OFLD		= 3,
208 #endif
209 
210 	/* eq flags */
211 	EQ_TYPEMASK	= 7,		/* 3 lsbits hold the type */
212 	EQ_ALLOCATED	= (1 << 3),	/* firmware resources allocated */
213 	EQ_DOOMED	= (1 << 4),	/* about to be destroyed */
214 	EQ_CRFLUSHED	= (1 << 5),	/* expecting an update from SGE */
215 	EQ_STALLED	= (1 << 6),	/* out of hw descriptors or dmamaps */
216 	EQ_MTX		= (1 << 7),	/* mutex has been initialized */
217 	EQ_STARTED	= (1 << 8),	/* started */
218 };
219 
220 /* Listed in order of preference.  Update t4_sysctls too if you change these */
221 enum {DOORBELL_UDB=0x1 , DOORBELL_WCWR=0x2, DOORBELL_UDBWC=0x4, DOORBELL_KDB=0x8};
222 
223 /*
224  * Egress Queue: driver is producer, T4 is consumer.
225  *
226  * Note: A free list is an egress queue (driver produces the buffers and T4
227  * consumes them) but it's special enough to have its own struct (see sge_fl).
228  */
229 struct sge_eq {
230 	ddi_dma_handle_t desc_dhdl;
231 	ddi_acc_handle_t desc_ahdl;
232 	unsigned int flags;
233 	kmutex_t lock;
234 
235 	struct tx_desc *desc;	/* KVA of descriptor ring */
236 	uint64_t ba;		/* bus address of descriptor ring */
237 	struct sge_qstat *spg;	/* status page, for convenience */
238 	int doorbells;
239 	volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
240 	u_int udb_qid;		/* relative qid within the doorbell page */
241 	uint16_t cap;		/* max # of desc, for convenience */
242 	uint16_t avail;		/* available descriptors, for convenience */
243 	uint16_t qsize;		/* size (# of entries) of the queue */
244 	uint16_t cidx;		/* consumer idx (desc idx) */
245 	uint16_t pidx;		/* producer idx (desc idx) */
246 	uint16_t pending;	/* # of descriptors used since last doorbell */
247 	uint16_t iqid;		/* iq that gets egr_update for the eq */
248 	uint8_t tx_chan;	/* tx channel used by the eq */
249 	uint32_t cntxt_id;	/* SGE context id for the eq */
250 };
251 
252 enum {
253 	/* fl flags */
254 	FL_MTX		= (1 << 0),	/* mutex has been initialized */
255 	FL_STARVING	= (1 << 1),	/* on the list of starving fl's */
256 	FL_DOOMED	= (1 << 2),	/* about to be destroyed */
257 };
258 
259 #define	FL_RUNNING_LOW(fl)	(fl->cap - fl->needed <= fl->lowat)
260 #define	FL_NOT_RUNNING_LOW(fl)	(fl->cap - fl->needed >= 2 * fl->lowat)
261 
262 struct sge_fl {
263 	unsigned int flags;
264 	kmutex_t lock;
265 	ddi_dma_handle_t dhdl;
266 	ddi_acc_handle_t ahdl;
267 
268 	__be64 *desc;		/* KVA of descriptor ring, ptr to addresses */
269 	uint64_t ba;		/* bus address of descriptor ring */
270 	struct fl_sdesc *sdesc;	/* KVA of software descriptor ring */
271 	uint32_t cap;		/* max # of buffers, for convenience */
272 	uint16_t qsize;		/* size (# of entries) of the queue */
273 	uint16_t cntxt_id;	/* SGE context id for the freelist */
274 	uint32_t cidx;		/* consumer idx (buffer idx, NOT hw desc idx) */
275 	uint32_t pidx;		/* producer idx (buffer idx, NOT hw desc idx) */
276 	uint32_t needed;	/* # of buffers needed to fill up fl. */
277 	uint32_t lowat;		/* # of buffers <= this means fl needs help */
278 	uint32_t pending;	/* # of bufs allocated since last doorbell */
279 	uint32_t offset;	/* current packet within the larger buffer */
280 	uint16_t copy_threshold; /* anything this size or less is copied up */
281 
282 	uint64_t copied_up;	/* # of frames copied into mblk and handed up */
283 	uint64_t passed_up;	/* # of frames wrapped in mblk and handed up */
284 	uint64_t allocb_fail;	/* # of mblk allocation failures */
285 
286 	TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
287 };
288 
289 /* txq: SGE egress queue + miscellaneous items */
290 struct sge_txq {
291 	struct sge_eq eq;	/* MUST be first */
292 
293 	struct port_info *port;	/* the port this txq belongs to */
294 	struct tx_sdesc *sdesc;	/* KVA of software descriptor ring */
295 	mac_ring_handle_t ring_handle;
296 
297 	/* DMA handles used for tx */
298 	ddi_dma_handle_t *tx_dhdl;
299 	uint32_t tx_dhdl_total;	/* Total # of handles */
300 	uint32_t tx_dhdl_pidx;	/* next handle to be used */
301 	uint32_t tx_dhdl_cidx;	/* reclaimed up to this index */
302 	uint32_t tx_dhdl_avail;	/* # of available handles */
303 
304 	/* Copy buffers for tx */
305 	ddi_dma_handle_t txb_dhdl;
306 	ddi_acc_handle_t txb_ahdl;
307 	caddr_t txb_va;		/* KVA of copy buffers area */
308 	uint64_t txb_ba;	/* bus address of copy buffers area */
309 	uint32_t txb_size;	/* total size */
310 	uint32_t txb_next;	/* offset of next useable area in the buffer */
311 	uint32_t txb_avail;	/* # of bytes available */
312 	uint16_t copy_threshold; /* anything this size or less is copied up */
313 
314 	uint64_t txpkts;	/* # of ethernet packets */
315 	uint64_t txbytes;	/* # of ethernet bytes */
316 	kstat_t *ksp;
317 
318 	/* stats for common events first */
319 
320 	uint64_t txcsum;	/* # of times hardware assisted with checksum */
321 	uint64_t tso_wrs;	/* # of IPv4 TSO work requests */
322 	uint64_t imm_wrs;	/* # of work requests with immediate data */
323 	uint64_t sgl_wrs;	/* # of work requests with direct SGL */
324 	uint64_t txpkt_wrs;	/* # of txpkt work requests (not coalesced) */
325 	uint64_t txpkts_wrs;	/* # of coalesced tx work requests */
326 	uint64_t txpkts_pkts;	/* # of frames in coalesced tx work requests */
327 	uint64_t txb_used;	/* # of tx copy buffers used (64 byte each) */
328 	uint64_t hdl_used;	/* # of DMA handles used */
329 
330 	/* stats for not-that-common events */
331 
332 	uint32_t txb_full;	/* txb ran out of space */
333 	uint32_t dma_hdl_failed; /* couldn't obtain DMA handle */
334 	uint32_t dma_map_failed; /* couldn't obtain DMA mapping */
335 	uint32_t qfull;		/* out of hardware descriptors */
336 	uint32_t qflush;	/* # of SGE_EGR_UPDATE notifications for txq */
337 	uint32_t pullup_early;	/* # of pullups before starting frame's SGL */
338 	uint32_t pullup_late;	/* # of pullups while building frame's SGL */
339 	uint32_t pullup_failed;	/* # of failed pullups */
340 };
341 
342 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */
343 struct sge_rxq {
344 	struct sge_iq iq;	/* MUST be first */
345 	struct sge_fl fl;
346 
347 	struct port_info *port;	/* the port this rxq belongs to */
348 	kstat_t *ksp;
349 
350 	mac_ring_handle_t ring_handle;
351 	uint64_t ring_gen_num;
352 
353 	/* stats for common events first */
354 
355 	uint64_t rxcsum;	/* # of times hardware assisted with checksum */
356 	uint64_t rxpkts;	/* # of ethernet packets */
357 	uint64_t rxbytes;	/* # of ethernet bytes */
358 
359 	/* stats for not-that-common events */
360 
361 	uint32_t nomem;		/* mblk allocation during rx failed */
362 };
363 
364 #ifdef TCP_OFFLOAD_ENABLE
365 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
366 struct sge_ofld_rxq {
367 	struct sge_iq iq;	/* MUST be first */
368 	struct sge_fl fl;
369 };
370 
371 /*
372  * wrq: SGE egress queue that is given prebuilt work requests.  Both the control
373  * and offload tx queues are of this type.
374  */
375 struct sge_wrq {
376 	struct sge_eq eq;	/* MUST be first */
377 
378 	struct adapter *adapter;
379 
380 	/* List of WRs held up due to lack of tx descriptors */
381 	struct mblk_pair wr_list;
382 
383 	/* stats for common events first */
384 
385 	uint64_t tx_wrs;	/* # of tx work requests */
386 
387 	/* stats for not-that-common events */
388 
389 	uint32_t no_desc;	/* out of hardware descriptors */
390 };
391 #endif
392 
393 struct sge {
394 	int fl_starve_threshold;
395 	int s_qpp;
396 
397 	int nrxq;	/* total rx queues (all ports and the rest) */
398 	int ntxq;	/* total tx queues (all ports and the rest) */
399 #ifdef TCP_OFFLOAD_ENABLE
400 	int nofldrxq;	/* total # of TOE rx queues */
401 	int nofldtxq;	/* total # of TOE tx queues */
402 #endif
403 	int niq;	/* total ingress queues */
404 	int neq;	/* total egress queues */
405 	int stat_len;	/* length of status page at ring end */
406 	int pktshift;	/* padding between CPL & packet data */
407 	int fl_align;	/* response queue message alignment */
408 
409 	struct sge_iq fwq;	/* Firmware event queue */
410 #ifdef TCP_OFFLOAD_ENABLE
411 	struct sge_wrq mgmtq;	/* Management queue (Control queue) */
412 #endif
413 	struct sge_txq *txq;	/* NIC tx queues */
414 	struct sge_rxq *rxq;	/* NIC rx queues */
415 #ifdef TCP_OFFLOAD_ENABLE
416 	struct sge_wrq *ctrlq;	/* Control queues */
417 	struct sge_wrq *ofld_txq;	/* TOE tx queues */
418 	struct sge_ofld_rxq *ofld_rxq;	/* TOE rx queues */
419 #endif
420 
421 	uint16_t iq_start;
422 	int eq_start;
423 	struct sge_iq **iqmap;	/* iq->cntxt_id to iq mapping */
424 	struct sge_eq **eqmap;	/* eq->cntxt_id to eq mapping */
425 
426 	/* Device access and DMA attributes for all the descriptor rings */
427 	ddi_device_acc_attr_t acc_attr_desc;
428 	ddi_dma_attr_t	dma_attr_desc;
429 
430 	/* Device access and DMA attributes for tx buffers */
431 	ddi_device_acc_attr_t acc_attr_tx;
432 	ddi_dma_attr_t	dma_attr_tx;
433 
434 	/* Device access and DMA attributes for rx buffers are in rxb_params */
435 	kmem_cache_t *rxbuf_cache;
436 	struct rxbuf_cache_params rxb_params;
437 };
438 
439 struct driver_properties {
440 	/* There is a driver.conf variable for each of these */
441 	int max_ntxq_10g;
442 	int max_nrxq_10g;
443 	int max_ntxq_1g;
444 	int max_nrxq_1g;
445 #ifdef TCP_OFFLOAD_ENABLE
446 	int max_nofldtxq_10g;
447 	int max_nofldrxq_10g;
448 	int max_nofldtxq_1g;
449 	int max_nofldrxq_1g;
450 #endif
451 	int intr_types;
452 	int tmr_idx_10g;
453 	int pktc_idx_10g;
454 	int tmr_idx_1g;
455 	int pktc_idx_1g;
456 	int qsize_txq;
457 	int qsize_rxq;
458 
459 	int timer_val[SGE_NTIMERS];
460 	int counter_val[SGE_NCOUNTERS];
461 
462 	int wc;
463 
464 	int multi_rings;
465 	int t4_fw_install;
466 };
467 
468 struct rss_header;
469 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
470     mblk_t *);
471 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
472 
473 struct adapter {
474 	SLIST_ENTRY(adapter) link;
475 	dev_info_t *dip;
476 	dev_t dev;
477 
478 	unsigned int pf;
479 	unsigned int mbox;
480 
481 	unsigned int vpd_busy;
482 	unsigned int vpd_flag;
483 
484 	u32 t4_bar0;
485 
486 	uint_t open;	/* character device is open */
487 
488 	/* PCI config space access handle */
489 	ddi_acc_handle_t pci_regh;
490 
491 	/* MMIO register access handle */
492 	ddi_acc_handle_t regh;
493 	caddr_t regp;
494 	/* BAR1 register access handle */
495 	ddi_acc_handle_t reg1h;
496 	caddr_t reg1p;
497 
498 	/* Interrupt information */
499 	int intr_type;
500 	int intr_count;
501 	int intr_cap;
502 	uint_t intr_pri;
503 	ddi_intr_handle_t *intr_handle;
504 
505 	struct driver_properties props;
506 	kstat_t *ksp;
507 	kstat_t *ksp_stat;
508 
509 	struct sge sge;
510 
511 	struct port_info *port[MAX_NPORTS];
512 	ddi_taskq_t *tq[NCHAN];
513 	uint8_t chan_map[NCHAN];
514 	uint32_t filter_mode;
515 
516 	struct l2t_data *l2t;	/* L2 table */
517 	struct tid_info tids;
518 
519 	int doorbells;
520 	int registered_device_map;
521 	int open_device_map;
522 	int flags;
523 
524 	unsigned int cfcsum;
525 	struct adapter_params params;
526 	struct t4_virt_res vres;
527 
528 #ifdef TCP_OFFLOAD_ENABLE
529 	struct uld_softc tom;
530 	struct tom_tunables tt;
531 #endif
532 
533 #ifdef TCP_OFFLOAD_ENABLE
534 	int offload_map;
535 #endif
536 	uint16_t linkcaps;
537 	uint16_t niccaps;
538 	uint16_t toecaps;
539 	uint16_t rdmacaps;
540 	uint16_t iscsicaps;
541 	uint16_t fcoecaps;
542 
543 	fw_msg_handler_t fw_msg_handler[5]; /* NUM_FW6_TYPES */
544 	cpl_handler_t cpl_handler[0xef]; /* NUM_CPL_CMDS */
545 
546 	kmutex_t lock;
547 	kcondvar_t cv;
548 
549 	/* Starving free lists */
550 	kmutex_t sfl_lock;	/* same cache-line as sc_lock? but that's ok */
551 	TAILQ_HEAD(, sge_fl) sfl;
552 	timeout_id_t sfl_timer;
553 };
554 
555 enum {
556 	NIC_H = 0,
557 	TOM_H,
558 	IW_H,
559 	ISCSI_H
560 };
561 
562 struct memwin {
563 	uint32_t base;
564 	uint32_t aperture;
565 };
566 
567 #define	ADAPTER_LOCK(sc)		mutex_enter(&(sc)->lock)
568 #define	ADAPTER_UNLOCK(sc)		mutex_exit(&(sc)->lock)
569 #define	ADAPTER_LOCK_ASSERT_OWNED(sc)	ASSERT(mutex_owned(&(sc)->lock))
570 #define	ADAPTER_LOCK_ASSERT_NOTOWNED(sc) ASSERT(!mutex_owned(&(sc)->lock))
571 
572 #define	PORT_LOCK(pi)			mutex_enter(&(pi)->lock)
573 #define	PORT_UNLOCK(pi)			mutex_exit(&(pi)->lock)
574 #define	PORT_LOCK_ASSERT_OWNED(pi)	ASSERT(mutex_owned(&(pi)->lock))
575 #define	PORT_LOCK_ASSERT_NOTOWNED(pi)	ASSERT(!mutex_owned(&(pi)->lock))
576 
577 #define	IQ_LOCK(iq)			mutex_enter(&(iq)->lock)
578 #define	IQ_UNLOCK(iq)			mutex_exit(&(iq)->lock)
579 #define	IQ_LOCK_ASSERT_OWNED(iq)	ASSERT(mutex_owned(&(iq)->lock))
580 #define	IQ_LOCK_ASSERT_NOTOWNED(iq)	ASSERT(!mutex_owned(&(iq)->lock))
581 
582 #define	FL_LOCK(fl)			mutex_enter(&(fl)->lock)
583 #define	FL_UNLOCK(fl)			mutex_exit(&(fl)->lock)
584 #define	FL_LOCK_ASSERT_OWNED(fl)	ASSERT(mutex_owned(&(fl)->lock))
585 #define	FL_LOCK_ASSERT_NOTOWNED(fl)	ASSERT(!mutex_owned(&(fl)->lock))
586 
587 #define	RXQ_LOCK(rxq)			IQ_LOCK(&(rxq)->iq)
588 #define	RXQ_UNLOCK(rxq)			IQ_UNLOCK(&(rxq)->iq)
589 #define	RXQ_LOCK_ASSERT_OWNED(rxq)	IQ_LOCK_ASSERT_OWNED(&(rxq)->iq)
590 #define	RXQ_LOCK_ASSERT_NOTOWNED(rxq)	IQ_LOCK_ASSERT_NOTOWNED(&(rxq)->iq)
591 
592 #define	RXQ_FL_LOCK(rxq)		FL_LOCK(&(rxq)->fl)
593 #define	RXQ_FL_UNLOCK(rxq)		FL_UNLOCK(&(rxq)->fl)
594 #define	RXQ_FL_LOCK_ASSERT_OWNED(rxq)	FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
595 #define	RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
596 
597 #define	EQ_LOCK(eq)			mutex_enter(&(eq)->lock)
598 #define	EQ_UNLOCK(eq)			mutex_exit(&(eq)->lock)
599 #define	EQ_LOCK_ASSERT_OWNED(eq)	ASSERT(mutex_owned(&(eq)->lock))
600 #define	EQ_LOCK_ASSERT_NOTOWNED(eq)	ASSERT(!mutex_owned(&(eq)->lock))
601 
602 #define	TXQ_LOCK(txq)			EQ_LOCK(&(txq)->eq)
603 #define	TXQ_UNLOCK(txq)			EQ_UNLOCK(&(txq)->eq)
604 #define	TXQ_LOCK_ASSERT_OWNED(txq)	EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
605 #define	TXQ_LOCK_ASSERT_NOTOWNED(txq)	EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
606 
607 #define	for_each_txq(pi, iter, txq) \
608 	txq = &pi->adapter->sge.txq[pi->first_txq]; \
609 	for (iter = 0; iter < pi->ntxq; ++iter, ++txq)
610 #define	for_each_rxq(pi, iter, rxq) \
611 	rxq = &pi->adapter->sge.rxq[pi->first_rxq]; \
612 	for (iter = 0; iter < pi->nrxq; ++iter, ++rxq)
613 #define	for_each_ofld_txq(pi, iter, ofld_txq) \
614 	ofld_txq = &pi->adapter->sge.ofld_txq[pi->first_ofld_txq]; \
615 	for (iter = 0; iter < pi->nofldtxq; ++iter, ++ofld_txq)
616 #define	for_each_ofld_rxq(pi, iter, ofld_rxq) \
617 	ofld_rxq = &pi->adapter->sge.ofld_rxq[pi->first_ofld_rxq]; \
618 	for (iter = 0; iter < pi->nofldrxq; ++iter, ++ofld_rxq)
619 
620 #define	NFIQ(sc) ((sc)->intr_count > 1 ? (sc)->intr_count - 1 : 1)
621 
622 /* One for errors, one for firmware events */
623 #define	T4_EXTRA_INTR 2
624 
625 /* Presently disabling locking around  mbox access
626  * We may need to reenable it later
627  */
628 typedef int t4_os_lock_t;
629 static inline void t4_os_lock(t4_os_lock_t *lock)
630 {
631 
632 }
633 static inline void t4_os_unlock(t4_os_lock_t *lock)
634 {
635 
636 }
637 
638 static inline uint32_t
639 t4_read_reg(struct adapter *sc, uint32_t reg)
640 {
641 	/* LINTED: E_BAD_PTR_CAST_ALIGN */
642 	return (ddi_get32(sc->regh, (uint32_t *)(sc->regp + reg)));
643 }
644 
645 static inline void
646 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
647 {
648 	/* LINTED: E_BAD_PTR_CAST_ALIGN */
649 	ddi_put32(sc->regh, (uint32_t *)(sc->regp + reg), val);
650 }
651 
652 static inline void
653 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
654 {
655 	*val = pci_config_get8(sc->pci_regh, reg);
656 }
657 
658 static inline void
659 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
660 {
661 	pci_config_put8(sc->pci_regh, reg, val);
662 }
663 
664 static inline void
665 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
666 {
667 	*val = pci_config_get16(sc->pci_regh, reg);
668 }
669 
670 static inline void
671 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
672 {
673 	pci_config_put16(sc->pci_regh, reg, val);
674 }
675 
676 static inline void
677 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
678 {
679 	*val = pci_config_get32(sc->pci_regh, reg);
680 }
681 
682 static inline void
683 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
684 {
685 	pci_config_put32(sc->pci_regh, reg, val);
686 }
687 
688 static inline uint64_t
689 t4_read_reg64(struct adapter *sc, uint32_t reg)
690 {
691 	/* LINTED: E_BAD_PTR_CAST_ALIGN */
692 	return (ddi_get64(sc->regh, (uint64_t *)(sc->regp + reg)));
693 }
694 
695 static inline void
696 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
697 {
698 	/* LINTED: E_BAD_PTR_CAST_ALIGN */
699 	ddi_put64(sc->regh, (uint64_t *)(sc->regp + reg), val);
700 }
701 
702 static inline struct port_info *
703 adap2pinfo(struct adapter *sc, int idx)
704 {
705 	return (sc->port[idx]);
706 }
707 
708 static inline void
709 t4_os_set_hw_addr(struct adapter *sc, int idx, uint8_t hw_addr[])
710 {
711 	bcopy(hw_addr, sc->port[idx]->hw_addr, ETHERADDRL);
712 }
713 
714 static inline bool
715 is_10G_port(const struct port_info *pi)
716 {
717 	return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) != 0);
718 }
719 
720 static inline struct sge_rxq *
721 iq_to_rxq(struct sge_iq *iq)
722 {
723 	return (__containerof(iq, struct sge_rxq, iq));
724 }
725 
726 static inline bool
727 is_25G_port(const struct port_info *pi)
728 {
729 	return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G) != 0);
730 }
731 
732 static inline bool
733 is_40G_port(const struct port_info *pi)
734 {
735 	return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G) != 0);
736 }
737 
738 static inline bool
739 is_100G_port(const struct port_info *pi)
740 {
741 	return ((pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G) != 0);
742 }
743 
744 static inline bool
745 is_10XG_port(const struct port_info *pi)
746 {
747 	return (is_10G_port(pi) || is_40G_port(pi) ||
748 		is_25G_port(pi) || is_100G_port(pi));
749 }
750 
751 static inline char *
752 print_port_speed(const struct port_info *pi)
753 {
754 	if (!pi)
755 		return "-";
756 
757 	if (is_100G_port(pi))
758 		return "100G";
759 	else if (is_40G_port(pi))
760 		return "40G";
761 	else if (is_25G_port(pi))
762 		return "25G";
763 	else if (is_10G_port(pi))
764 		return "10G";
765 	else
766 		return "1G";
767 }
768 
769 #ifdef TCP_OFFLOAD_ENABLE
770 int t4_wrq_tx_locked(struct adapter *sc, struct sge_wrq *wrq, mblk_t *m0);
771 
772 static inline int
773 t4_wrq_tx(struct adapter *sc, struct sge_wrq *wrq, mblk_t *m)
774 {
775 	int rc;
776 
777 	TXQ_LOCK(wrq);
778 	rc = t4_wrq_tx_locked(sc, wrq, m);
779 	TXQ_UNLOCK(wrq);
780 	return (rc);
781 }
782 #endif
783 
784 /**
785  * t4_os_pci_read_seeprom - read four bytes of SEEPROM/VPD contents
786  * @adapter: the adapter
787  * @addr: SEEPROM/VPD Address to read
788  * @valp: where to store the value read
789  *
790  * Read a 32-bit value from the given address in the SEEPROM/VPD.  The address
791  * must be four-byte aligned.  Returns 0 on success, a negative erro number
792  * on failure.
793  */
794 static inline int t4_os_pci_read_seeprom(adapter_t *adapter,
795 					 int addr, u32 *valp)
796 {
797 	int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data);
798 	int ret;
799 
800 	ret = t4_seeprom_read(adapter, addr, valp);
801 
802 	return ret >= 0 ? 0 : ret;
803 }
804 
805 /**
806  * t4_os_pci_write_seeprom - write four bytes of SEEPROM/VPD contents
807  * @adapter: the adapter
808  * @addr: SEEPROM/VPD Address to write
809  * @val: the value write
810  *
811  * Write a 32-bit value to the given address in the SEEPROM/VPD.  The address
812  * must be four-byte aligned.  Returns 0 on success, a negative erro number
813  * on failure.
814  */
815 static inline int t4_os_pci_write_seeprom(adapter_t *adapter,
816 					  int addr, u32 val)
817 {
818 	int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data);
819 	int ret;
820 
821 	ret = t4_seeprom_write(adapter, addr, val);
822 
823 	return ret >= 0 ? 0 : ret;
824 }
825 
826 static inline int t4_os_pci_set_vpd_size(struct adapter *adapter, size_t len)
827 {
828 	return 0;
829 }
830 
831 static inline unsigned int t4_use_ldst(struct adapter *adap)
832 {
833 	return (adap->flags & FW_OK);
834 }
835 #define t4_os_alloc(_size)	kmem_alloc(_size, KM_SLEEP)
836 
837 static inline void t4_db_full(struct adapter *adap) {}
838 static inline void t4_db_dropped(struct adapter *adap) {}
839 
840 /* t4_nexus.c */
841 int t4_os_find_pci_capability(struct adapter *sc, int cap);
842 void t4_os_portmod_changed(const struct adapter *sc, int idx);
843 int adapter_full_init(struct adapter *sc);
844 int adapter_full_uninit(struct adapter *sc);
845 int port_full_init(struct port_info *pi);
846 int port_full_uninit(struct port_info *pi);
847 void enable_port_queues(struct port_info *pi);
848 void disable_port_queues(struct port_info *pi);
849 int t4_register_cpl_handler(struct adapter *sc, int opcode, cpl_handler_t h);
850 int t4_register_fw_msg_handler(struct adapter *, int, fw_msg_handler_t);
851 void t4_iterate(void (*func)(int, void *), void *arg);
852 
853 /* t4_sge.c */
854 void t4_sge_init(struct adapter *sc);
855 int t4_setup_adapter_queues(struct adapter *sc);
856 int t4_teardown_adapter_queues(struct adapter *sc);
857 int t4_setup_port_queues(struct port_info *pi);
858 int t4_teardown_port_queues(struct port_info *pi);
859 uint_t t4_intr_all(caddr_t arg1, caddr_t arg2);
860 uint_t t4_intr(caddr_t arg1, caddr_t arg2);
861 uint_t t4_intr_err(caddr_t arg1, caddr_t arg2);
862 int t4_mgmt_tx(struct adapter *sc, mblk_t *m);
863 void memwin_info(struct adapter *, int, uint32_t *, uint32_t *);
864 uint32_t position_memwin(struct adapter *, int, uint32_t);
865 
866 mblk_t *t4_eth_tx(void *, mblk_t *);
867 mblk_t *t4_mc_tx(void *arg, mblk_t *m);
868 mblk_t *t4_ring_rx(struct sge_rxq *rxq, int poll_bytes);
869 int t4_alloc_tx_maps(struct adapter *sc, struct tx_maps *txmaps,  int count,
870     int flags);
871 
872 /* t4_mac.c */
873 void t4_mc_init(struct port_info *pi);
874 void t4_mc_cb_init(struct port_info *);
875 void t4_os_link_changed(struct adapter *sc, int idx, int link_stat);
876 void t4_mac_rx(struct port_info *pi, struct sge_rxq *rxq, mblk_t *m);
877 void t4_mac_tx_update(struct port_info *pi, struct sge_txq *txq);
878 int t4_addmac(void *arg, const uint8_t *ucaddr);
879 
880 /* t4_ioctl.c */
881 int t4_ioctl(struct adapter *sc, int cmd, void *data, int mode);
882 
883 struct l2t_data *t4_init_l2t(struct adapter *sc);
884 #endif /* __CXGBE_ADAPTER_H */
885