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 CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
53
54enum {
55	MAX_NPORTS = 4,     /* max # of ports */
56	SERNUM_LEN = 24,    /* Serial # length */
57	EC_LEN     = 16,    /* E/C length */
58	ID_LEN     = 16,    /* ID length */
59	PN_LEN     = 16,    /* Part Number length */
60};
61
62enum {
63	T4_REGMAP_SIZE = (160 * 1024),
64	T5_REGMAP_SIZE = (332 * 1024),
65};
66
67enum {
68	MEM_EDC0,
69	MEM_EDC1,
70	MEM_MC,
71	MEM_MC0 = MEM_MC,
72	MEM_MC1
73};
74
75enum {
76	MEMWIN0_APERTURE = 2048,
77	MEMWIN0_BASE     = 0x1b800,
78	MEMWIN1_APERTURE = 32768,
79	MEMWIN1_BASE     = 0x28000,
80	MEMWIN1_BASE_T5  = 0x52000,
81	MEMWIN2_APERTURE = 65536,
82	MEMWIN2_BASE     = 0x30000,
83	MEMWIN2_APERTURE_T5 = 131072,
84	MEMWIN2_BASE_T5  = 0x60000,
85};
86
87enum dev_master {
88	MASTER_CANT,
89	MASTER_MAY,
90	MASTER_MUST
91};
92
93enum dev_state {
94	DEV_STATE_UNINIT,
95	DEV_STATE_INIT,
96	DEV_STATE_ERR
97};
98
99enum {
100	PAUSE_RX      = 1 << 0,
101	PAUSE_TX      = 1 << 1,
102	PAUSE_AUTONEG = 1 << 2
103};
104
105struct port_stats {
106	u64 tx_octets;            /* total # of octets in good frames */
107	u64 tx_frames;            /* all good frames */
108	u64 tx_bcast_frames;      /* all broadcast frames */
109	u64 tx_mcast_frames;      /* all multicast frames */
110	u64 tx_ucast_frames;      /* all unicast frames */
111	u64 tx_error_frames;      /* all error frames */
112
113	u64 tx_frames_64;         /* # of Tx frames in a particular range */
114	u64 tx_frames_65_127;
115	u64 tx_frames_128_255;
116	u64 tx_frames_256_511;
117	u64 tx_frames_512_1023;
118	u64 tx_frames_1024_1518;
119	u64 tx_frames_1519_max;
120
121	u64 tx_drop;              /* # of dropped Tx frames */
122	u64 tx_pause;             /* # of transmitted pause frames */
123	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
124	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
125	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
126	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
127	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
128	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
129	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
130	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
131
132	u64 rx_octets;            /* total # of octets in good frames */
133	u64 rx_frames;            /* all good frames */
134	u64 rx_bcast_frames;      /* all broadcast frames */
135	u64 rx_mcast_frames;      /* all multicast frames */
136	u64 rx_ucast_frames;      /* all unicast frames */
137	u64 rx_too_long;          /* # of frames exceeding MTU */
138	u64 rx_jabber;            /* # of jabber frames */
139	u64 rx_fcs_err;           /* # of received frames with bad FCS */
140	u64 rx_len_err;           /* # of received frames with length error */
141	u64 rx_symbol_err;        /* symbol errors */
142	u64 rx_runt;              /* # of short frames */
143
144	u64 rx_frames_64;         /* # of Rx frames in a particular range */
145	u64 rx_frames_65_127;
146	u64 rx_frames_128_255;
147	u64 rx_frames_256_511;
148	u64 rx_frames_512_1023;
149	u64 rx_frames_1024_1518;
150	u64 rx_frames_1519_max;
151
152	u64 rx_pause;             /* # of received pause frames */
153	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
154	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
155	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
156	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
157	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
158	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
159	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
160	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
161
162	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
163	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
164	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
165	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
166	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
167	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
168	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
169	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
170};
171
172struct lb_port_stats {
173	u64 octets;
174	u64 frames;
175	u64 bcast_frames;
176	u64 mcast_frames;
177	u64 ucast_frames;
178	u64 error_frames;
179
180	u64 frames_64;
181	u64 frames_65_127;
182	u64 frames_128_255;
183	u64 frames_256_511;
184	u64 frames_512_1023;
185	u64 frames_1024_1518;
186	u64 frames_1519_max;
187
188	u64 drop;
189
190	u64 ovflow0;
191	u64 ovflow1;
192	u64 ovflow2;
193	u64 ovflow3;
194	u64 trunc0;
195	u64 trunc1;
196	u64 trunc2;
197	u64 trunc3;
198};
199
200struct tp_tcp_stats {
201	u32 tcpOutRsts;
202	u64 tcpInSegs;
203	u64 tcpOutSegs;
204	u64 tcpRetransSegs;
205};
206
207struct tp_err_stats {
208	u32 macInErrs[4];
209	u32 hdrInErrs[4];
210	u32 tcpInErrs[4];
211	u32 tnlCongDrops[4];
212	u32 ofldChanDrops[4];
213	u32 tnlTxDrops[4];
214	u32 ofldVlanDrops[4];
215	u32 tcp6InErrs[4];
216	u32 ofldNoNeigh;
217	u32 ofldCongDefer;
218};
219
220struct sge_params {
221	u32 hps;			/* host page size for our PF/VF */
222	u32 eq_qpp;			/* egress queues/page for our PF/VF */
223	u32 iq_qpp;			/* egress queues/page for our PF/VF */
224};
225
226struct tp_params {
227	unsigned int ntxchan;        /* # of Tx channels */
228	unsigned int tre;            /* log2 of core clocks per TP tick */
229	unsigned int la_mask;        /* what events are recorded by TP LA */
230	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
231				     /* channel map */
232
233	uint32_t dack_re;            /* DACK timer resolution */
234	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
235
236	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
237	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
238
239	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
240	 * subset of the set of fields which may be present in the Compressed
241	 * Filter Tuple portion of filters and TCP TCB connections.  The
242	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
243	 * Since a variable number of fields may or may not be present, their
244	 * shifted field positions within the Compressed Filter Tuple may
245	 * vary, or not even be present if the field isn't selected in
246	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
247	 * places we store their offsets here, or a -1 if the field isn't
248	 * present.
249	 */
250	int vlan_shift;
251	int vnic_shift;
252	int port_shift;
253	int protocol_shift;
254};
255
256struct vpd_params {
257	unsigned int cclk;
258	u8 ec[EC_LEN + 1];
259	u8 sn[SERNUM_LEN + 1];
260	u8 id[ID_LEN + 1];
261	u8 pn[PN_LEN + 1];
262};
263
264struct pci_params {
265	unsigned char speed;
266	unsigned char width;
267};
268
269#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
270#define CHELSIO_CHIP_FPGA          0x100
271#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
272#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
273
274#define CHELSIO_T4		0x4
275#define CHELSIO_T5		0x5
276
277enum chip_type {
278	T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
279	T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
280	T4_FIRST_REV	= T4_A1,
281	T4_LAST_REV	= T4_A2,
282
283	T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
284	T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
285	T5_FIRST_REV	= T5_A0,
286	T5_LAST_REV	= T5_A1,
287};
288
289struct devlog_params {
290	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
291	u32 start;                      /* start of log in firmware memory */
292	u32 size;                       /* size of log */
293};
294
295struct adapter_params {
296	struct sge_params sge;
297	struct tp_params  tp;
298	struct vpd_params vpd;
299	struct pci_params pci;
300	struct devlog_params devlog;
301	enum pcie_memwin drv_memwin;
302
303	unsigned int cim_la_size;
304
305	unsigned int sf_size;             /* serial flash size in bytes */
306	unsigned int sf_nsec;             /* # of flash sectors */
307	unsigned int sf_fw_start;         /* start of FW image in flash */
308
309	unsigned int fw_vers;
310	unsigned int tp_vers;
311	u8 api_vers[7];
312
313	unsigned short mtus[NMTUS];
314	unsigned short a_wnd[NCCTRL_WIN];
315	unsigned short b_wnd[NCCTRL_WIN];
316
317	unsigned char nports;             /* # of ethernet ports */
318	unsigned char portvec;
319	enum chip_type chip;               /* chip code */
320	unsigned char offload;
321
322	unsigned char bypass;
323
324	unsigned int ofldq_wr_cred;
325	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
326
327	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
328	unsigned int max_ird_adapter;     /* Max read depth per adapter */
329};
330
331#include "t4fw_api.h"
332
333#define FW_VERSION(chip) ( \
334		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
335		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
336		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
337		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
338#define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
339
340struct fw_info {
341	u8 chip;
342	char *fs_name;
343	char *fw_mod_name;
344	struct fw_hdr fw_hdr;
345};
346
347
348struct trace_params {
349	u32 data[TRACE_LEN / 4];
350	u32 mask[TRACE_LEN / 4];
351	unsigned short snap_len;
352	unsigned short min_len;
353	unsigned char skip_ofst;
354	unsigned char skip_len;
355	unsigned char invert;
356	unsigned char port;
357};
358
359struct link_config {
360	unsigned short supported;        /* link capabilities */
361	unsigned short advertising;      /* advertised capabilities */
362	unsigned short requested_speed;  /* speed user has requested */
363	unsigned short speed;            /* actual link speed */
364	unsigned char  requested_fc;     /* flow control user has requested */
365	unsigned char  fc;               /* actual link flow control */
366	unsigned char  autoneg;          /* autonegotiating? */
367	unsigned char  link_ok;          /* link up? */
368};
369
370#define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
371
372enum {
373	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
374	MAX_OFLD_QSETS = 16,          /* # of offload Tx/Rx queue sets */
375	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
376	MAX_RDMA_QUEUES = NCHAN,      /* # of streaming RDMA Rx queues */
377	MAX_RDMA_CIQS = 32,        /* # of  RDMA concentrator IQs */
378	MAX_ISCSI_QUEUES = NCHAN,     /* # of streaming iSCSI Rx queues */
379};
380
381enum {
382	MAX_TXQ_ENTRIES      = 16384,
383	MAX_CTRL_TXQ_ENTRIES = 1024,
384	MAX_RSPQ_ENTRIES     = 16384,
385	MAX_RX_BUFFERS       = 16384,
386	MIN_TXQ_ENTRIES      = 32,
387	MIN_CTRL_TXQ_ENTRIES = 32,
388	MIN_RSPQ_ENTRIES     = 128,
389	MIN_FL_ENTRIES       = 16
390};
391
392enum {
393	INGQ_EXTRAS = 2,        /* firmware event queue and */
394				/*   forwarded interrupts */
395	MAX_INGQ = MAX_ETH_QSETS + MAX_OFLD_QSETS + MAX_RDMA_QUEUES
396		   + MAX_RDMA_CIQS + MAX_ISCSI_QUEUES + INGQ_EXTRAS,
397};
398
399struct adapter;
400struct sge_rspq;
401
402#include "cxgb4_dcb.h"
403
404#ifdef CONFIG_CHELSIO_T4_FCOE
405#include "cxgb4_fcoe.h"
406#endif /* CONFIG_CHELSIO_T4_FCOE */
407
408struct port_info {
409	struct adapter *adapter;
410	u16    viid;
411	s16    xact_addr_filt;        /* index of exact MAC address filter */
412	u16    rss_size;              /* size of VI's RSS table slice */
413	s8     mdio_addr;
414	enum fw_port_type port_type;
415	u8     mod_type;
416	u8     port_id;
417	u8     tx_chan;
418	u8     lport;                 /* associated offload logical port */
419	u8     nqsets;                /* # of qsets */
420	u8     first_qset;            /* index of first qset */
421	u8     rss_mode;
422	struct link_config link_cfg;
423	u16   *rss;
424#ifdef CONFIG_CHELSIO_T4_DCB
425	struct port_dcb_info dcb;     /* Data Center Bridging support */
426#endif
427#ifdef CONFIG_CHELSIO_T4_FCOE
428	struct cxgb_fcoe fcoe;
429#endif /* CONFIG_CHELSIO_T4_FCOE */
430};
431
432struct dentry;
433struct work_struct;
434
435enum {                                 /* adapter flags */
436	FULL_INIT_DONE     = (1 << 0),
437	DEV_ENABLED        = (1 << 1),
438	USING_MSI          = (1 << 2),
439	USING_MSIX         = (1 << 3),
440	FW_OK              = (1 << 4),
441	RSS_TNLALLLOOKUP   = (1 << 5),
442	USING_SOFT_PARAMS  = (1 << 6),
443	MASTER_PF          = (1 << 7),
444	FW_OFLD_CONN       = (1 << 9),
445};
446
447struct rx_sw_desc;
448
449struct sge_fl {                     /* SGE free-buffer queue state */
450	unsigned int avail;         /* # of available Rx buffers */
451	unsigned int pend_cred;     /* new buffers since last FL DB ring */
452	unsigned int cidx;          /* consumer index */
453	unsigned int pidx;          /* producer index */
454	unsigned long alloc_failed; /* # of times buffer allocation failed */
455	unsigned long large_alloc_failed;
456	unsigned long starving;
457	/* RO fields */
458	unsigned int cntxt_id;      /* SGE context id for the free list */
459	unsigned int size;          /* capacity of free list */
460	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
461	__be64 *desc;               /* address of HW Rx descriptor ring */
462	dma_addr_t addr;            /* bus address of HW ring start */
463	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
464	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
465};
466
467/* A packet gather list */
468struct pkt_gl {
469	struct page_frag frags[MAX_SKB_FRAGS];
470	void *va;                         /* virtual address of first byte */
471	unsigned int nfrags;              /* # of fragments */
472	unsigned int tot_len;             /* total length of fragments */
473};
474
475typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
476			      const struct pkt_gl *gl);
477
478struct sge_rspq {                   /* state for an SGE response queue */
479	struct napi_struct napi;
480	const __be64 *cur_desc;     /* current descriptor in queue */
481	unsigned int cidx;          /* consumer index */
482	u8 gen;                     /* current generation bit */
483	u8 intr_params;             /* interrupt holdoff parameters */
484	u8 next_intr_params;        /* holdoff params for next interrupt */
485	u8 adaptive_rx;
486	u8 pktcnt_idx;              /* interrupt packet threshold */
487	u8 uld;                     /* ULD handling this queue */
488	u8 idx;                     /* queue index within its group */
489	int offset;                 /* offset into current Rx buffer */
490	u16 cntxt_id;               /* SGE context id for the response q */
491	u16 abs_id;                 /* absolute SGE id for the response q */
492	__be64 *desc;               /* address of HW response ring */
493	dma_addr_t phys_addr;       /* physical address of the ring */
494	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
495	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
496	unsigned int iqe_len;       /* entry size */
497	unsigned int size;          /* capacity of response queue */
498	struct adapter *adap;
499	struct net_device *netdev;  /* associated net device */
500	rspq_handler_t handler;
501#ifdef CONFIG_NET_RX_BUSY_POLL
502#define CXGB_POLL_STATE_IDLE		0
503#define CXGB_POLL_STATE_NAPI		BIT(0) /* NAPI owns this poll */
504#define CXGB_POLL_STATE_POLL		BIT(1) /* poll owns this poll */
505#define CXGB_POLL_STATE_NAPI_YIELD	BIT(2) /* NAPI yielded this poll */
506#define CXGB_POLL_STATE_POLL_YIELD	BIT(3) /* poll yielded this poll */
507#define CXGB_POLL_YIELD			(CXGB_POLL_STATE_NAPI_YIELD |   \
508					 CXGB_POLL_STATE_POLL_YIELD)
509#define CXGB_POLL_LOCKED		(CXGB_POLL_STATE_NAPI |         \
510					 CXGB_POLL_STATE_POLL)
511#define CXGB_POLL_USER_PEND		(CXGB_POLL_STATE_POLL |         \
512					 CXGB_POLL_STATE_POLL_YIELD)
513	unsigned int bpoll_state;
514	spinlock_t bpoll_lock;		/* lock for busy poll */
515#endif /* CONFIG_NET_RX_BUSY_POLL */
516
517};
518
519struct sge_eth_stats {              /* Ethernet queue statistics */
520	unsigned long pkts;         /* # of ethernet packets */
521	unsigned long lro_pkts;     /* # of LRO super packets */
522	unsigned long lro_merged;   /* # of wire packets merged by LRO */
523	unsigned long rx_cso;       /* # of Rx checksum offloads */
524	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
525	unsigned long rx_drops;     /* # of packets dropped due to no mem */
526};
527
528struct sge_eth_rxq {                /* SW Ethernet Rx queue */
529	struct sge_rspq rspq;
530	struct sge_fl fl;
531	struct sge_eth_stats stats;
532} ____cacheline_aligned_in_smp;
533
534struct sge_ofld_stats {             /* offload queue statistics */
535	unsigned long pkts;         /* # of packets */
536	unsigned long imm;          /* # of immediate-data packets */
537	unsigned long an;           /* # of asynchronous notifications */
538	unsigned long nomem;        /* # of responses deferred due to no mem */
539};
540
541struct sge_ofld_rxq {               /* SW offload Rx queue */
542	struct sge_rspq rspq;
543	struct sge_fl fl;
544	struct sge_ofld_stats stats;
545} ____cacheline_aligned_in_smp;
546
547struct tx_desc {
548	__be64 flit[8];
549};
550
551struct tx_sw_desc;
552
553struct sge_txq {
554	unsigned int  in_use;       /* # of in-use Tx descriptors */
555	unsigned int  size;         /* # of descriptors */
556	unsigned int  cidx;         /* SW consumer index */
557	unsigned int  pidx;         /* producer index */
558	unsigned long stops;        /* # of times q has been stopped */
559	unsigned long restarts;     /* # of queue restarts */
560	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
561	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
562	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
563	struct sge_qstat *stat;     /* queue status entry */
564	dma_addr_t    phys_addr;    /* physical address of the ring */
565	spinlock_t db_lock;
566	int db_disabled;
567	unsigned short db_pidx;
568	unsigned short db_pidx_inc;
569	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
570	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
571};
572
573struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
574	struct sge_txq q;
575	struct netdev_queue *txq;   /* associated netdev TX queue */
576#ifdef CONFIG_CHELSIO_T4_DCB
577	u8 dcb_prio;		    /* DCB Priority bound to queue */
578#endif
579	unsigned long tso;          /* # of TSO requests */
580	unsigned long tx_cso;       /* # of Tx checksum offloads */
581	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
582	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
583} ____cacheline_aligned_in_smp;
584
585struct sge_ofld_txq {               /* state for an SGE offload Tx queue */
586	struct sge_txq q;
587	struct adapter *adap;
588	struct sk_buff_head sendq;  /* list of backpressured packets */
589	struct tasklet_struct qresume_tsk; /* restarts the queue */
590	u8 full;                    /* the Tx ring is full */
591	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
592} ____cacheline_aligned_in_smp;
593
594struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
595	struct sge_txq q;
596	struct adapter *adap;
597	struct sk_buff_head sendq;  /* list of backpressured packets */
598	struct tasklet_struct qresume_tsk; /* restarts the queue */
599	u8 full;                    /* the Tx ring is full */
600} ____cacheline_aligned_in_smp;
601
602struct sge {
603	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
604	struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS];
605	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
606
607	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
608	struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS];
609	struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES];
610	struct sge_ofld_rxq rdmaciq[MAX_RDMA_CIQS];
611	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
612
613	struct sge_rspq intrq ____cacheline_aligned_in_smp;
614	spinlock_t intrq_lock;
615
616	u16 max_ethqsets;           /* # of available Ethernet queue sets */
617	u16 ethqsets;               /* # of active Ethernet queue sets */
618	u16 ethtxq_rover;           /* Tx queue to clean up next */
619	u16 ofldqsets;              /* # of active offload queue sets */
620	u16 rdmaqs;                 /* # of available RDMA Rx queues */
621	u16 rdmaciqs;               /* # of available RDMA concentrator IQs */
622	u16 ofld_rxq[MAX_OFLD_QSETS];
623	u16 rdma_rxq[MAX_RDMA_QUEUES];
624	u16 rdma_ciq[MAX_RDMA_CIQS];
625	u16 timer_val[SGE_NTIMERS];
626	u8 counter_val[SGE_NCOUNTERS];
627	u32 fl_pg_order;            /* large page allocation size */
628	u32 stat_len;               /* length of status page at ring end */
629	u32 pktshift;               /* padding between CPL & packet data */
630	u32 fl_align;               /* response queue message alignment */
631	u32 fl_starve_thres;        /* Free List starvation threshold */
632
633	/* State variables for detecting an SGE Ingress DMA hang */
634	unsigned int idma_1s_thresh;/* SGE same State Counter 1s threshold */
635	unsigned int idma_stalled[2];/* SGE synthesized stalled timers in HZ */
636	unsigned int idma_state[2]; /* SGE IDMA Hang detect state */
637	unsigned int idma_qid[2];   /* SGE IDMA Hung Ingress Queue ID */
638
639	unsigned int egr_start;
640	unsigned int egr_sz;
641	unsigned int ingr_start;
642	unsigned int ingr_sz;
643	void **egr_map;    /* qid->queue egress queue map */
644	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
645	unsigned long *starving_fl;
646	unsigned long *txq_maperr;
647	struct timer_list rx_timer; /* refills starving FLs */
648	struct timer_list tx_timer; /* checks Tx queues */
649};
650
651#define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
652#define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
653#define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++)
654#define for_each_rdmaciq(sge, i) for (i = 0; i < (sge)->rdmaciqs; i++)
655
656struct l2t_data;
657
658#ifdef CONFIG_PCI_IOV
659
660/* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
661 * Configuration initialization for T5 only has SR-IOV functionality enabled
662 * on PF0-3 in order to simplify everything.
663 */
664#define NUM_OF_PF_WITH_SRIOV 4
665
666#endif
667
668struct adapter {
669	void __iomem *regs;
670	void __iomem *bar2;
671	u32 t4_bar0;
672	struct pci_dev *pdev;
673	struct device *pdev_dev;
674	unsigned int mbox;
675	unsigned int fn;
676	unsigned int flags;
677	enum chip_type chip;
678
679	int msg_enable;
680
681	struct adapter_params params;
682	struct cxgb4_virt_res vres;
683	unsigned int swintr;
684
685	unsigned int wol;
686
687	struct {
688		unsigned short vec;
689		char desc[IFNAMSIZ + 10];
690	} msix_info[MAX_INGQ + 1];
691
692	struct sge sge;
693
694	struct net_device *port[MAX_NPORTS];
695	u8 chan_map[NCHAN];                   /* channel -> port map */
696
697	u32 filter_mode;
698	unsigned int l2t_start;
699	unsigned int l2t_end;
700	struct l2t_data *l2t;
701	unsigned int clipt_start;
702	unsigned int clipt_end;
703	struct clip_tbl *clipt;
704	void *uld_handle[CXGB4_ULD_MAX];
705	struct list_head list_node;
706	struct list_head rcu_node;
707
708	struct tid_info tids;
709	void **tid_release_head;
710	spinlock_t tid_release_lock;
711	struct workqueue_struct *workq;
712	struct work_struct tid_release_task;
713	struct work_struct db_full_task;
714	struct work_struct db_drop_task;
715	bool tid_release_task_busy;
716
717	struct dentry *debugfs_root;
718
719	spinlock_t stats_lock;
720	spinlock_t win0_lock ____cacheline_aligned_in_smp;
721};
722
723/* Defined bit width of user definable filter tuples
724 */
725#define ETHTYPE_BITWIDTH 16
726#define FRAG_BITWIDTH 1
727#define MACIDX_BITWIDTH 9
728#define FCOE_BITWIDTH 1
729#define IPORT_BITWIDTH 3
730#define MATCHTYPE_BITWIDTH 3
731#define PROTO_BITWIDTH 8
732#define TOS_BITWIDTH 8
733#define PF_BITWIDTH 8
734#define VF_BITWIDTH 8
735#define IVLAN_BITWIDTH 16
736#define OVLAN_BITWIDTH 16
737
738/* Filter matching rules.  These consist of a set of ingress packet field
739 * (value, mask) tuples.  The associated ingress packet field matches the
740 * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
741 * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
742 * matches an ingress packet when all of the individual individual field
743 * matching rules are true.
744 *
745 * Partial field masks are always valid, however, while it may be easy to
746 * understand their meanings for some fields (e.g. IP address to match a
747 * subnet), for others making sensible partial masks is less intuitive (e.g.
748 * MPS match type) ...
749 *
750 * Most of the following data structures are modeled on T4 capabilities.
751 * Drivers for earlier chips use the subsets which make sense for those chips.
752 * We really need to come up with a hardware-independent mechanism to
753 * represent hardware filter capabilities ...
754 */
755struct ch_filter_tuple {
756	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
757	 * register selects which of these fields will participate in the
758	 * filter match rules -- up to a maximum of 36 bits.  Because
759	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
760	 * set of fields.
761	 */
762	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
763	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
764	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
765	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
766	uint32_t pfvf_vld:1;                    /* PF/VF valid */
767	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
768	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
769	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
770	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
771	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
772	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
773	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
774	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
775	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
776	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
777
778	/* Uncompressed header matching field rules.  These are always
779	 * available for field rules.
780	 */
781	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
782	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
783	uint16_t lport;         /* local port */
784	uint16_t fport;         /* foreign port */
785};
786
787/* A filter ioctl command.
788 */
789struct ch_filter_specification {
790	/* Administrative fields for filter.
791	 */
792	uint32_t hitcnts:1;     /* count filter hits in TCB */
793	uint32_t prio:1;        /* filter has priority over active/server */
794
795	/* Fundamental filter typing.  This is the one element of filter
796	 * matching that doesn't exist as a (value, mask) tuple.
797	 */
798	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
799
800	/* Packet dispatch information.  Ingress packets which match the
801	 * filter rules will be dropped, passed to the host or switched back
802	 * out as egress packets.
803	 */
804	uint32_t action:2;      /* drop, pass, switch */
805
806	uint32_t rpttid:1;      /* report TID in RSS hash field */
807
808	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
809	uint32_t iq:10;         /* ingress queue */
810
811	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
812	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
813				/*             1 => TCB contains IQ ID */
814
815	/* Switch proxy/rewrite fields.  An ingress packet which matches a
816	 * filter with "switch" set will be looped back out as an egress
817	 * packet -- potentially with some Ethernet header rewriting.
818	 */
819	uint32_t eport:2;       /* egress port to switch packet out */
820	uint32_t newdmac:1;     /* rewrite destination MAC address */
821	uint32_t newsmac:1;     /* rewrite source MAC address */
822	uint32_t newvlan:2;     /* rewrite VLAN Tag */
823	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
824	uint8_t smac[ETH_ALEN]; /* new source MAC address */
825	uint16_t vlan;          /* VLAN Tag to insert */
826
827	/* Filter rule value/mask pairs.
828	 */
829	struct ch_filter_tuple val;
830	struct ch_filter_tuple mask;
831};
832
833enum {
834	FILTER_PASS = 0,        /* default */
835	FILTER_DROP,
836	FILTER_SWITCH
837};
838
839enum {
840	VLAN_NOCHANGE = 0,      /* default */
841	VLAN_REMOVE,
842	VLAN_INSERT,
843	VLAN_REWRITE
844};
845
846static inline int is_t5(enum chip_type chip)
847{
848	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5;
849}
850
851static inline int is_t4(enum chip_type chip)
852{
853	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
854}
855
856static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
857{
858	return readl(adap->regs + reg_addr);
859}
860
861static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
862{
863	writel(val, adap->regs + reg_addr);
864}
865
866#ifndef readq
867static inline u64 readq(const volatile void __iomem *addr)
868{
869	return readl(addr) + ((u64)readl(addr + 4) << 32);
870}
871
872static inline void writeq(u64 val, volatile void __iomem *addr)
873{
874	writel(val, addr);
875	writel(val >> 32, addr + 4);
876}
877#endif
878
879static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
880{
881	return readq(adap->regs + reg_addr);
882}
883
884static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
885{
886	writeq(val, adap->regs + reg_addr);
887}
888
889/**
890 * netdev2pinfo - return the port_info structure associated with a net_device
891 * @dev: the netdev
892 *
893 * Return the struct port_info associated with a net_device
894 */
895static inline struct port_info *netdev2pinfo(const struct net_device *dev)
896{
897	return netdev_priv(dev);
898}
899
900/**
901 * adap2pinfo - return the port_info of a port
902 * @adap: the adapter
903 * @idx: the port index
904 *
905 * Return the port_info structure for the port of the given index.
906 */
907static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
908{
909	return netdev_priv(adap->port[idx]);
910}
911
912/**
913 * netdev2adap - return the adapter structure associated with a net_device
914 * @dev: the netdev
915 *
916 * Return the struct adapter associated with a net_device
917 */
918static inline struct adapter *netdev2adap(const struct net_device *dev)
919{
920	return netdev2pinfo(dev)->adapter;
921}
922
923#ifdef CONFIG_NET_RX_BUSY_POLL
924static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q)
925{
926	spin_lock_init(&q->bpoll_lock);
927	q->bpoll_state = CXGB_POLL_STATE_IDLE;
928}
929
930static inline bool cxgb_poll_lock_napi(struct sge_rspq *q)
931{
932	bool rc = true;
933
934	spin_lock(&q->bpoll_lock);
935	if (q->bpoll_state & CXGB_POLL_LOCKED) {
936		q->bpoll_state |= CXGB_POLL_STATE_NAPI_YIELD;
937		rc = false;
938	} else {
939		q->bpoll_state = CXGB_POLL_STATE_NAPI;
940	}
941	spin_unlock(&q->bpoll_lock);
942	return rc;
943}
944
945static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q)
946{
947	bool rc = false;
948
949	spin_lock(&q->bpoll_lock);
950	if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD)
951		rc = true;
952	q->bpoll_state = CXGB_POLL_STATE_IDLE;
953	spin_unlock(&q->bpoll_lock);
954	return rc;
955}
956
957static inline bool cxgb_poll_lock_poll(struct sge_rspq *q)
958{
959	bool rc = true;
960
961	spin_lock_bh(&q->bpoll_lock);
962	if (q->bpoll_state & CXGB_POLL_LOCKED) {
963		q->bpoll_state |= CXGB_POLL_STATE_POLL_YIELD;
964		rc = false;
965	} else {
966		q->bpoll_state |= CXGB_POLL_STATE_POLL;
967	}
968	spin_unlock_bh(&q->bpoll_lock);
969	return rc;
970}
971
972static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q)
973{
974	bool rc = false;
975
976	spin_lock_bh(&q->bpoll_lock);
977	if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD)
978		rc = true;
979	q->bpoll_state = CXGB_POLL_STATE_IDLE;
980	spin_unlock_bh(&q->bpoll_lock);
981	return rc;
982}
983
984static inline bool cxgb_poll_busy_polling(struct sge_rspq *q)
985{
986	return q->bpoll_state & CXGB_POLL_USER_PEND;
987}
988#else
989static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q)
990{
991}
992
993static inline bool cxgb_poll_lock_napi(struct sge_rspq *q)
994{
995	return true;
996}
997
998static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q)
999{
1000	return false;
1001}
1002
1003static inline bool cxgb_poll_lock_poll(struct sge_rspq *q)
1004{
1005	return false;
1006}
1007
1008static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q)
1009{
1010	return false;
1011}
1012
1013static inline bool cxgb_poll_busy_polling(struct sge_rspq *q)
1014{
1015	return false;
1016}
1017#endif /* CONFIG_NET_RX_BUSY_POLL */
1018
1019/* Return a version number to identify the type of adapter.  The scheme is:
1020 * - bits 0..9: chip version
1021 * - bits 10..15: chip revision
1022 * - bits 16..23: register dump version
1023 */
1024static inline unsigned int mk_adap_vers(struct adapter *ap)
1025{
1026	return CHELSIO_CHIP_VERSION(ap->params.chip) |
1027		(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1028}
1029
1030/* Return a queue's interrupt hold-off time in us.  0 means no timer. */
1031static inline unsigned int qtimer_val(const struct adapter *adap,
1032				      const struct sge_rspq *q)
1033{
1034	unsigned int idx = q->intr_params >> 1;
1035
1036	return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1037}
1038
1039/* driver version & name used for ethtool_drvinfo */
1040extern char cxgb4_driver_name[];
1041extern const char cxgb4_driver_version[];
1042
1043void t4_os_portmod_changed(const struct adapter *adap, int port_id);
1044void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1045
1046void *t4_alloc_mem(size_t size);
1047
1048void t4_free_sge_resources(struct adapter *adap);
1049void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1050irq_handler_t t4_intr_handler(struct adapter *adap);
1051netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
1052int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1053		     const struct pkt_gl *gl);
1054int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1055int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1056int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1057		     struct net_device *dev, int intr_idx,
1058		     struct sge_fl *fl, rspq_handler_t hnd);
1059int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1060			 struct net_device *dev, struct netdev_queue *netdevq,
1061			 unsigned int iqid);
1062int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1063			  struct net_device *dev, unsigned int iqid,
1064			  unsigned int cmplqid);
1065int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq,
1066			  struct net_device *dev, unsigned int iqid);
1067irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1068int t4_sge_init(struct adapter *adap);
1069void t4_sge_start(struct adapter *adap);
1070void t4_sge_stop(struct adapter *adap);
1071int cxgb_busy_poll(struct napi_struct *napi);
1072int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1073			       unsigned int cnt);
1074void cxgb4_set_ethtool_ops(struct net_device *netdev);
1075int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1076extern int dbfifo_int_thresh;
1077
1078#define for_each_port(adapter, iter) \
1079	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1080
1081static inline int is_bypass(struct adapter *adap)
1082{
1083	return adap->params.bypass;
1084}
1085
1086static inline int is_bypass_device(int device)
1087{
1088	/* this should be set based upon device capabilities */
1089	switch (device) {
1090	case 0x440b:
1091	case 0x440c:
1092		return 1;
1093	default:
1094		return 0;
1095	}
1096}
1097
1098static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1099{
1100	return adap->params.vpd.cclk / 1000;
1101}
1102
1103static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1104					    unsigned int us)
1105{
1106	return (us * adap->params.vpd.cclk) / 1000;
1107}
1108
1109static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1110					    unsigned int ticks)
1111{
1112	/* add Core Clock / 2 to round ticks to nearest uS */
1113	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1114		adapter->params.vpd.cclk);
1115}
1116
1117void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1118		      u32 val);
1119
1120int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1121		    void *rpl, bool sleep_ok);
1122
1123static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1124			     int size, void *rpl)
1125{
1126	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1127}
1128
1129static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1130				int size, void *rpl)
1131{
1132	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1133}
1134
1135void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1136		       unsigned int data_reg, const u32 *vals,
1137		       unsigned int nregs, unsigned int start_idx);
1138void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1139		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1140		      unsigned int start_idx);
1141void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1142
1143struct fw_filter_wr;
1144
1145void t4_intr_enable(struct adapter *adapter);
1146void t4_intr_disable(struct adapter *adapter);
1147int t4_slow_intr_handler(struct adapter *adapter);
1148
1149int t4_wait_dev_ready(void __iomem *regs);
1150int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port,
1151		  struct link_config *lc);
1152int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1153
1154#define T4_MEMORY_WRITE	0
1155#define T4_MEMORY_READ	1
1156int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1157		 void *buf, int dir);
1158static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1159				  u32 len, __be32 *buf)
1160{
1161	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1162}
1163
1164unsigned int t4_get_regs_len(struct adapter *adapter);
1165void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1166
1167int t4_seeprom_wp(struct adapter *adapter, bool enable);
1168int get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1169int t4_read_flash(struct adapter *adapter, unsigned int addr,
1170		  unsigned int nwords, u32 *data, int byte_oriented);
1171int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1172int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1173int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1174		  const u8 *fw_data, unsigned int size, int force);
1175unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1176int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1177int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1178int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1179int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1180	       const u8 *fw_data, unsigned int fw_size,
1181	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1182int t4_prep_adapter(struct adapter *adapter);
1183
1184enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1185int cxgb4_t4_bar2_sge_qregs(struct adapter *adapter,
1186		      unsigned int qid,
1187		      enum t4_bar2_qtype qtype,
1188		      u64 *pbar2_qoffset,
1189		      unsigned int *pbar2_qid);
1190
1191unsigned int qtimer_val(const struct adapter *adap,
1192			const struct sge_rspq *q);
1193
1194int t4_init_devlog_params(struct adapter *adapter);
1195int t4_init_sge_params(struct adapter *adapter);
1196int t4_init_tp_params(struct adapter *adap);
1197int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1198int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1199void t4_fatal_err(struct adapter *adapter);
1200int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1201			int start, int n, const u16 *rspq, unsigned int nrspq);
1202int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1203		       unsigned int flags);
1204int t4_read_rss(struct adapter *adapter, u16 *entries);
1205void t4_read_rss_key(struct adapter *adapter, u32 *key);
1206void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx);
1207void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1208			   u32 *valp);
1209void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1210			   u32 *vfl, u32 *vfh);
1211u32 t4_read_rss_pf_map(struct adapter *adapter);
1212u32 t4_read_rss_pf_mask(struct adapter *adapter);
1213
1214int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
1215	       u64 *parity);
1216int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data,
1217		u64 *parity);
1218void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1219void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1220int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1221		    size_t n);
1222int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1223		    size_t n);
1224int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1225		unsigned int *valp);
1226int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1227		 const unsigned int *valp);
1228int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1229void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1230const char *t4_get_port_type_description(enum fw_port_type port_type);
1231void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1232void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1233void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1234void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1235			    unsigned int mask, unsigned int val);
1236void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1237void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1238			 struct tp_tcp_stats *v6);
1239void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1240		  const unsigned short *alpha, const unsigned short *beta);
1241
1242void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1243
1244void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1245
1246void t4_wol_magic_enable(struct adapter *adap, unsigned int port,
1247			 const u8 *addr);
1248int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map,
1249		      u64 mask0, u64 mask1, unsigned int crc, bool enable);
1250
1251int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1252		enum dev_master master, enum dev_state *state);
1253int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1254int t4_early_init(struct adapter *adap, unsigned int mbox);
1255int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1256int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1257			  unsigned int cache_line_size);
1258int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1259int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1260		    unsigned int vf, unsigned int nparams, const u32 *params,
1261		    u32 *val);
1262int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1263		  unsigned int vf, unsigned int nparams, const u32 *params,
1264		  const u32 *val);
1265int t4_set_params_nosleep(struct adapter *adap, unsigned int mbox,
1266			  unsigned int pf, unsigned int vf,
1267			  unsigned int nparams, const u32 *params,
1268			  const u32 *val);
1269int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1270		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1271		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1272		unsigned int vi, unsigned int cmask, unsigned int pmask,
1273		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1274int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1275		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1276		unsigned int *rss_size);
1277int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1278		int mtu, int promisc, int all_multi, int bcast, int vlanex,
1279		bool sleep_ok);
1280int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
1281		      unsigned int viid, bool free, unsigned int naddr,
1282		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
1283int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
1284		  int idx, const u8 *addr, bool persist, bool add_smt);
1285int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
1286		     bool ucast, u64 vec, bool sleep_ok);
1287int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
1288			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
1289int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
1290		 bool rx_en, bool tx_en);
1291int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
1292		     unsigned int nblinks);
1293int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1294	       unsigned int mmd, unsigned int reg, u16 *valp);
1295int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
1296	       unsigned int mmd, unsigned int reg, u16 val);
1297int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1298	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
1299	       unsigned int fl0id, unsigned int fl1id);
1300int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1301		   unsigned int vf, unsigned int eqid);
1302int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1303		    unsigned int vf, unsigned int eqid);
1304int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
1305		    unsigned int vf, unsigned int eqid);
1306int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
1307void t4_db_full(struct adapter *adapter);
1308void t4_db_dropped(struct adapter *adapter);
1309int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
1310			 u32 addr, u32 val);
1311void t4_sge_decode_idma_state(struct adapter *adapter, int state);
1312void t4_free_mem(void *addr);
1313#endif /* __CXGB4_H__ */
1314