1  /*
2   * This file is part of the Chelsio T4 Ethernet driver for Linux.
3   *
4   * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
5   *
6   * This software is available to you under a choice of one of two
7   * licenses.  You may choose to be licensed under the terms of the GNU
8   * General Public License (GPL) Version 2, available from the file
9   * COPYING in the main directory of this source tree, or the
10   * OpenIB.org BSD license below:
11   *
12   *     Redistribution and use in source and binary forms, with or
13   *     without modification, are permitted provided that the following
14   *     conditions are met:
15   *
16   *      - Redistributions of source code must retain the above
17   *        copyright notice, this list of conditions and the following
18   *        disclaimer.
19   *
20   *      - Redistributions in binary form must reproduce the above
21   *        copyright notice, this list of conditions and the following
22   *        disclaimer in the documentation and/or other materials
23   *        provided with the distribution.
24   *
25   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32   * SOFTWARE.
33   */
34  
35  #ifndef __CXGB4_H__
36  #define __CXGB4_H__
37  
38  #include "t4_hw.h"
39  
40  #include <linux/bitops.h>
41  #include <linux/cache.h>
42  #include <linux/ethtool.h>
43  #include <linux/interrupt.h>
44  #include <linux/list.h>
45  #include <linux/netdevice.h>
46  #include <linux/pci.h>
47  #include <linux/spinlock.h>
48  #include <linux/timer.h>
49  #include <linux/vmalloc.h>
50  #include <linux/rhashtable.h>
51  #include <linux/etherdevice.h>
52  #include <linux/net_tstamp.h>
53  #include <linux/ptp_clock_kernel.h>
54  #include <linux/ptp_classify.h>
55  #include <linux/crash_dump.h>
56  #include <linux/thermal.h>
57  #include <asm/io.h>
58  #include "t4_chip_type.h"
59  #include "cxgb4_uld.h"
60  #include "t4fw_api.h"
61  
62  #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
63  extern struct list_head adapter_list;
64  extern struct list_head uld_list;
65  extern struct mutex uld_mutex;
66  
67  /* Suspend an Ethernet Tx queue with fewer available descriptors than this.
68   * This is the same as calc_tx_descs() for a TSO packet with
69   * nr_frags == MAX_SKB_FRAGS.
70   */
71  #define ETHTXQ_STOP_THRES \
72  	(1 + DIV_ROUND_UP((3 * MAX_SKB_FRAGS) / 2 + (MAX_SKB_FRAGS & 1), 8))
73  
74  #define FW_PARAM_DEV(param) \
75  	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
76  	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))
77  
78  #define FW_PARAM_PFVF(param) \
79  	(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
80  	 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) |  \
81  	 FW_PARAMS_PARAM_Y_V(0) | \
82  	 FW_PARAMS_PARAM_Z_V(0))
83  
84  enum {
85  	MAX_NPORTS	= 4,     /* max # of ports */
86  	SERNUM_LEN	= 24,    /* Serial # length */
87  	ID_LEN		= 16,    /* ID length */
88  	PN_LEN		= 16,    /* Part Number length */
89  	MACADDR_LEN	= 12,    /* MAC Address length */
90  };
91  
92  enum {
93  	T4_REGMAP_SIZE = (160 * 1024),
94  	T5_REGMAP_SIZE = (332 * 1024),
95  };
96  
97  enum {
98  	MEM_EDC0,
99  	MEM_EDC1,
100  	MEM_MC,
101  	MEM_MC0 = MEM_MC,
102  	MEM_MC1,
103  	MEM_HMA,
104  };
105  
106  enum {
107  	MEMWIN0_APERTURE = 2048,
108  	MEMWIN0_BASE     = 0x1b800,
109  	MEMWIN1_APERTURE = 32768,
110  	MEMWIN1_BASE     = 0x28000,
111  	MEMWIN1_BASE_T5  = 0x52000,
112  	MEMWIN2_APERTURE = 65536,
113  	MEMWIN2_BASE     = 0x30000,
114  	MEMWIN2_APERTURE_T5 = 131072,
115  	MEMWIN2_BASE_T5  = 0x60000,
116  };
117  
118  enum dev_master {
119  	MASTER_CANT,
120  	MASTER_MAY,
121  	MASTER_MUST
122  };
123  
124  enum dev_state {
125  	DEV_STATE_UNINIT,
126  	DEV_STATE_INIT,
127  	DEV_STATE_ERR
128  };
129  
130  enum cc_pause {
131  	PAUSE_RX      = 1 << 0,
132  	PAUSE_TX      = 1 << 1,
133  	PAUSE_AUTONEG = 1 << 2
134  };
135  
136  enum cc_fec {
137  	FEC_AUTO      = 1 << 0,	 /* IEEE 802.3 "automatic" */
138  	FEC_RS        = 1 << 1,  /* Reed-Solomon */
139  	FEC_BASER_RS  = 1 << 2   /* BaseR/Reed-Solomon */
140  };
141  
142  enum {
143  	CXGB4_ETHTOOL_FLASH_FW = 1,
144  	CXGB4_ETHTOOL_FLASH_PHY = 2,
145  	CXGB4_ETHTOOL_FLASH_BOOT = 3,
146  	CXGB4_ETHTOOL_FLASH_BOOTCFG = 4
147  };
148  
149  enum cxgb4_netdev_tls_ops {
150  	CXGB4_TLSDEV_OPS  = 1,
151  	CXGB4_XFRMDEV_OPS
152  };
153  
154  struct cxgb4_bootcfg_data {
155  	__le16 signature;
156  	__u8 reserved[2];
157  };
158  
159  struct cxgb4_pcir_data {
160  	__le32 signature;	/* Signature. The string "PCIR" */
161  	__le16 vendor_id;	/* Vendor Identification */
162  	__le16 device_id;	/* Device Identification */
163  	__u8 vital_product[2];	/* Pointer to Vital Product Data */
164  	__u8 length[2];		/* PCIR Data Structure Length */
165  	__u8 revision;		/* PCIR Data Structure Revision */
166  	__u8 class_code[3];	/* Class Code */
167  	__u8 image_length[2];	/* Image Length. Multiple of 512B */
168  	__u8 code_revision[2];	/* Revision Level of Code/Data */
169  	__u8 code_type;
170  	__u8 indicator;
171  	__u8 reserved[2];
172  };
173  
174  /* BIOS boot headers */
175  struct cxgb4_pci_exp_rom_header {
176  	__le16 signature;	/* ROM Signature. Should be 0xaa55 */
177  	__u8 reserved[22];	/* Reserved per processor Architecture data */
178  	__le16 pcir_offset;	/* Offset to PCI Data Structure */
179  };
180  
181  /* Legacy PCI Expansion ROM Header */
182  struct legacy_pci_rom_hdr {
183  	__u8 signature[2];	/* ROM Signature. Should be 0xaa55 */
184  	__u8 size512;		/* Current Image Size in units of 512 bytes */
185  	__u8 initentry_point[4];
186  	__u8 cksum;		/* Checksum computed on the entire Image */
187  	__u8 reserved[16];	/* Reserved */
188  	__le16 pcir_offset;	/* Offset to PCI Data Struture */
189  };
190  
191  #define CXGB4_HDR_CODE1 0x00
192  #define CXGB4_HDR_CODE2 0x03
193  #define CXGB4_HDR_INDI 0x80
194  
195  /* BOOT constants */
196  enum {
197  	BOOT_CFG_SIG = 0x4243,
198  	BOOT_SIZE_INC = 512,
199  	BOOT_SIGNATURE = 0xaa55,
200  	BOOT_MIN_SIZE = sizeof(struct cxgb4_pci_exp_rom_header),
201  	BOOT_MAX_SIZE = 1024 * BOOT_SIZE_INC,
202  	PCIR_SIGNATURE = 0x52494350
203  };
204  
205  struct port_stats {
206  	u64 tx_octets;            /* total # of octets in good frames */
207  	u64 tx_frames;            /* all good frames */
208  	u64 tx_bcast_frames;      /* all broadcast frames */
209  	u64 tx_mcast_frames;      /* all multicast frames */
210  	u64 tx_ucast_frames;      /* all unicast frames */
211  	u64 tx_error_frames;      /* all error frames */
212  
213  	u64 tx_frames_64;         /* # of Tx frames in a particular range */
214  	u64 tx_frames_65_127;
215  	u64 tx_frames_128_255;
216  	u64 tx_frames_256_511;
217  	u64 tx_frames_512_1023;
218  	u64 tx_frames_1024_1518;
219  	u64 tx_frames_1519_max;
220  
221  	u64 tx_drop;              /* # of dropped Tx frames */
222  	u64 tx_pause;             /* # of transmitted pause frames */
223  	u64 tx_ppp0;              /* # of transmitted PPP prio 0 frames */
224  	u64 tx_ppp1;              /* # of transmitted PPP prio 1 frames */
225  	u64 tx_ppp2;              /* # of transmitted PPP prio 2 frames */
226  	u64 tx_ppp3;              /* # of transmitted PPP prio 3 frames */
227  	u64 tx_ppp4;              /* # of transmitted PPP prio 4 frames */
228  	u64 tx_ppp5;              /* # of transmitted PPP prio 5 frames */
229  	u64 tx_ppp6;              /* # of transmitted PPP prio 6 frames */
230  	u64 tx_ppp7;              /* # of transmitted PPP prio 7 frames */
231  
232  	u64 rx_octets;            /* total # of octets in good frames */
233  	u64 rx_frames;            /* all good frames */
234  	u64 rx_bcast_frames;      /* all broadcast frames */
235  	u64 rx_mcast_frames;      /* all multicast frames */
236  	u64 rx_ucast_frames;      /* all unicast frames */
237  	u64 rx_too_long;          /* # of frames exceeding MTU */
238  	u64 rx_jabber;            /* # of jabber frames */
239  	u64 rx_fcs_err;           /* # of received frames with bad FCS */
240  	u64 rx_len_err;           /* # of received frames with length error */
241  	u64 rx_symbol_err;        /* symbol errors */
242  	u64 rx_runt;              /* # of short frames */
243  
244  	u64 rx_frames_64;         /* # of Rx frames in a particular range */
245  	u64 rx_frames_65_127;
246  	u64 rx_frames_128_255;
247  	u64 rx_frames_256_511;
248  	u64 rx_frames_512_1023;
249  	u64 rx_frames_1024_1518;
250  	u64 rx_frames_1519_max;
251  
252  	u64 rx_pause;             /* # of received pause frames */
253  	u64 rx_ppp0;              /* # of received PPP prio 0 frames */
254  	u64 rx_ppp1;              /* # of received PPP prio 1 frames */
255  	u64 rx_ppp2;              /* # of received PPP prio 2 frames */
256  	u64 rx_ppp3;              /* # of received PPP prio 3 frames */
257  	u64 rx_ppp4;              /* # of received PPP prio 4 frames */
258  	u64 rx_ppp5;              /* # of received PPP prio 5 frames */
259  	u64 rx_ppp6;              /* # of received PPP prio 6 frames */
260  	u64 rx_ppp7;              /* # of received PPP prio 7 frames */
261  
262  	u64 rx_ovflow0;           /* drops due to buffer-group 0 overflows */
263  	u64 rx_ovflow1;           /* drops due to buffer-group 1 overflows */
264  	u64 rx_ovflow2;           /* drops due to buffer-group 2 overflows */
265  	u64 rx_ovflow3;           /* drops due to buffer-group 3 overflows */
266  	u64 rx_trunc0;            /* buffer-group 0 truncated packets */
267  	u64 rx_trunc1;            /* buffer-group 1 truncated packets */
268  	u64 rx_trunc2;            /* buffer-group 2 truncated packets */
269  	u64 rx_trunc3;            /* buffer-group 3 truncated packets */
270  };
271  
272  struct lb_port_stats {
273  	u64 octets;
274  	u64 frames;
275  	u64 bcast_frames;
276  	u64 mcast_frames;
277  	u64 ucast_frames;
278  	u64 error_frames;
279  
280  	u64 frames_64;
281  	u64 frames_65_127;
282  	u64 frames_128_255;
283  	u64 frames_256_511;
284  	u64 frames_512_1023;
285  	u64 frames_1024_1518;
286  	u64 frames_1519_max;
287  
288  	u64 drop;
289  
290  	u64 ovflow0;
291  	u64 ovflow1;
292  	u64 ovflow2;
293  	u64 ovflow3;
294  	u64 trunc0;
295  	u64 trunc1;
296  	u64 trunc2;
297  	u64 trunc3;
298  };
299  
300  struct tp_tcp_stats {
301  	u32 tcp_out_rsts;
302  	u64 tcp_in_segs;
303  	u64 tcp_out_segs;
304  	u64 tcp_retrans_segs;
305  };
306  
307  struct tp_usm_stats {
308  	u32 frames;
309  	u32 drops;
310  	u64 octets;
311  };
312  
313  struct tp_fcoe_stats {
314  	u32 frames_ddp;
315  	u32 frames_drop;
316  	u64 octets_ddp;
317  };
318  
319  struct tp_err_stats {
320  	u32 mac_in_errs[4];
321  	u32 hdr_in_errs[4];
322  	u32 tcp_in_errs[4];
323  	u32 tnl_cong_drops[4];
324  	u32 ofld_chan_drops[4];
325  	u32 tnl_tx_drops[4];
326  	u32 ofld_vlan_drops[4];
327  	u32 tcp6_in_errs[4];
328  	u32 ofld_no_neigh;
329  	u32 ofld_cong_defer;
330  };
331  
332  struct tp_cpl_stats {
333  	u32 req[4];
334  	u32 rsp[4];
335  };
336  
337  struct tp_rdma_stats {
338  	u32 rqe_dfr_pkt;
339  	u32 rqe_dfr_mod;
340  };
341  
342  struct sge_params {
343  	u32 hps;			/* host page size for our PF/VF */
344  	u32 eq_qpp;			/* egress queues/page for our PF/VF */
345  	u32 iq_qpp;			/* egress queues/page for our PF/VF */
346  };
347  
348  struct tp_params {
349  	unsigned int tre;            /* log2 of core clocks per TP tick */
350  	unsigned int la_mask;        /* what events are recorded by TP LA */
351  	unsigned short tx_modq_map;  /* TX modulation scheduler queue to */
352  				     /* channel map */
353  
354  	uint32_t dack_re;            /* DACK timer resolution */
355  	unsigned short tx_modq[NCHAN];	/* channel to modulation queue map */
356  
357  	u32 vlan_pri_map;               /* cached TP_VLAN_PRI_MAP */
358  	u32 filter_mask;
359  	u32 ingress_config;             /* cached TP_INGRESS_CONFIG */
360  
361  	/* cached TP_OUT_CONFIG compressed error vector
362  	 * and passing outer header info for encapsulated packets.
363  	 */
364  	int rx_pkt_encap;
365  
366  	/* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets.  This is a
367  	 * subset of the set of fields which may be present in the Compressed
368  	 * Filter Tuple portion of filters and TCP TCB connections.  The
369  	 * fields which are present are controlled by the TP_VLAN_PRI_MAP.
370  	 * Since a variable number of fields may or may not be present, their
371  	 * shifted field positions within the Compressed Filter Tuple may
372  	 * vary, or not even be present if the field isn't selected in
373  	 * TP_VLAN_PRI_MAP.  Since some of these fields are needed in various
374  	 * places we store their offsets here, or a -1 if the field isn't
375  	 * present.
376  	 */
377  	int fcoe_shift;
378  	int port_shift;
379  	int vnic_shift;
380  	int vlan_shift;
381  	int tos_shift;
382  	int protocol_shift;
383  	int ethertype_shift;
384  	int macmatch_shift;
385  	int matchtype_shift;
386  	int frag_shift;
387  
388  	u64 hash_filter_mask;
389  };
390  
391  struct vpd_params {
392  	unsigned int cclk;
393  	u8 sn[SERNUM_LEN + 1];
394  	u8 id[ID_LEN + 1];
395  	u8 pn[PN_LEN + 1];
396  	u8 na[MACADDR_LEN + 1];
397  };
398  
399  /* Maximum resources provisioned for a PCI PF.
400   */
401  struct pf_resources {
402  	unsigned int nvi;		/* N virtual interfaces */
403  	unsigned int neq;		/* N egress Qs */
404  	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
405  	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
406  	unsigned int niq;		/* N ingress Qs */
407  	unsigned int tc;		/* PCI-E traffic class */
408  	unsigned int pmask;		/* port access rights mask */
409  	unsigned int nexactf;		/* N exact MPS filters */
410  	unsigned int r_caps;		/* read capabilities */
411  	unsigned int wx_caps;		/* write/execute capabilities */
412  };
413  
414  struct pci_params {
415  	unsigned char speed;
416  	unsigned char width;
417  };
418  
419  struct devlog_params {
420  	u32 memtype;                    /* which memory (EDC0, EDC1, MC) */
421  	u32 start;                      /* start of log in firmware memory */
422  	u32 size;                       /* size of log */
423  };
424  
425  /* Stores chip specific parameters */
426  struct arch_specific_params {
427  	u8 nchan;
428  	u8 pm_stats_cnt;
429  	u8 cng_ch_bits_log;		/* congestion channel map bits width */
430  	u16 mps_rplc_size;
431  	u16 vfcount;
432  	u32 sge_fl_db;
433  	u16 mps_tcam_size;
434  };
435  
436  struct adapter_params {
437  	struct sge_params sge;
438  	struct tp_params  tp;
439  	struct vpd_params vpd;
440  	struct pf_resources pfres;
441  	struct pci_params pci;
442  	struct devlog_params devlog;
443  	enum pcie_memwin drv_memwin;
444  
445  	unsigned int cim_la_size;
446  
447  	unsigned int sf_size;             /* serial flash size in bytes */
448  	unsigned int sf_nsec;             /* # of flash sectors */
449  
450  	unsigned int fw_vers;		  /* firmware version */
451  	unsigned int bs_vers;		  /* bootstrap version */
452  	unsigned int tp_vers;		  /* TP microcode version */
453  	unsigned int er_vers;		  /* expansion ROM version */
454  	unsigned int scfg_vers;		  /* Serial Configuration version */
455  	unsigned int vpd_vers;		  /* VPD Version */
456  	u8 api_vers[7];
457  
458  	unsigned short mtus[NMTUS];
459  	unsigned short a_wnd[NCCTRL_WIN];
460  	unsigned short b_wnd[NCCTRL_WIN];
461  
462  	unsigned char nports;             /* # of ethernet ports */
463  	unsigned char portvec;
464  	enum chip_type chip;               /* chip code */
465  	struct arch_specific_params arch;  /* chip specific params */
466  	unsigned char offload;
467  	unsigned char crypto;		/* HW capability for crypto */
468  	unsigned char ethofld;		/* QoS support */
469  
470  	unsigned char bypass;
471  	unsigned char hash_filter;
472  
473  	unsigned int ofldq_wr_cred;
474  	bool ulptx_memwrite_dsgl;          /* use of T5 DSGL allowed */
475  
476  	unsigned int nsched_cls;          /* number of traffic classes */
477  	unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
478  	unsigned int max_ird_adapter;     /* Max read depth per adapter */
479  	bool fr_nsmr_tpte_wr_support;	  /* FW support for FR_NSMR_TPTE_WR */
480  	u8 fw_caps_support;		/* 32-bit Port Capabilities */
481  	bool filter2_wr_support;	/* FW support for FILTER2_WR */
482  	unsigned int viid_smt_extn_support:1; /* FW returns vin and smt index */
483  
484  	/* MPS Buffer Group Map[per Port].  Bit i is set if buffer group i is
485  	 * used by the Port
486  	 */
487  	u8 mps_bg_map[MAX_NPORTS];	/* MPS Buffer Group Map */
488  	bool write_w_imm_support;       /* FW supports WRITE_WITH_IMMEDIATE */
489  	bool write_cmpl_support;        /* FW supports WRITE_CMPL */
490  };
491  
492  /* State needed to monitor the forward progress of SGE Ingress DMA activities
493   * and possible hangs.
494   */
495  struct sge_idma_monitor_state {
496  	unsigned int idma_1s_thresh;	/* 1s threshold in Core Clock ticks */
497  	unsigned int idma_stalled[2];	/* synthesized stalled timers in HZ */
498  	unsigned int idma_state[2];	/* IDMA Hang detect state */
499  	unsigned int idma_qid[2];	/* IDMA Hung Ingress Queue ID */
500  	unsigned int idma_warn[2];	/* time to warning in HZ */
501  };
502  
503  /* Firmware Mailbox Command/Reply log.  All values are in Host-Endian format.
504   * The access and execute times are signed in order to accommodate negative
505   * error returns.
506   */
507  struct mbox_cmd {
508  	u64 cmd[MBOX_LEN / 8];		/* a Firmware Mailbox Command/Reply */
509  	u64 timestamp;			/* OS-dependent timestamp */
510  	u32 seqno;			/* sequence number */
511  	s16 access;			/* time (ms) to access mailbox */
512  	s16 execute;			/* time (ms) to execute */
513  };
514  
515  struct mbox_cmd_log {
516  	unsigned int size;		/* number of entries in the log */
517  	unsigned int cursor;		/* next position in the log to write */
518  	u32 seqno;			/* next sequence number */
519  	/* variable length mailbox command log starts here */
520  };
521  
522  /* Given a pointer to a Firmware Mailbox Command Log and a log entry index,
523   * return a pointer to the specified entry.
524   */
mbox_cmd_log_entry(struct mbox_cmd_log * log,unsigned int entry_idx)525  static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
526  						  unsigned int entry_idx)
527  {
528  	return &((struct mbox_cmd *)&(log)[1])[entry_idx];
529  }
530  
531  #define FW_VERSION(chip) ( \
532  		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
533  		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
534  		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
535  		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
536  #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
537  
538  struct cxgb4_ethtool_lb_test {
539  	struct completion completion;
540  	int result;
541  	int loopback;
542  };
543  
544  struct fw_info {
545  	u8 chip;
546  	char *fs_name;
547  	char *fw_mod_name;
548  	struct fw_hdr fw_hdr;
549  };
550  
551  struct trace_params {
552  	u32 data[TRACE_LEN / 4];
553  	u32 mask[TRACE_LEN / 4];
554  	unsigned short snap_len;
555  	unsigned short min_len;
556  	unsigned char skip_ofst;
557  	unsigned char skip_len;
558  	unsigned char invert;
559  	unsigned char port;
560  };
561  
562  struct cxgb4_fw_data {
563  	__be32 signature;
564  	__u8 reserved[4];
565  };
566  
567  /* Firmware Port Capabilities types. */
568  
569  typedef u16 fw_port_cap16_t;	/* 16-bit Port Capabilities integral value */
570  typedef u32 fw_port_cap32_t;	/* 32-bit Port Capabilities integral value */
571  
572  enum fw_caps {
573  	FW_CAPS_UNKNOWN	= 0,	/* 0'ed out initial state */
574  	FW_CAPS16	= 1,	/* old Firmware: 16-bit Port Capabilities */
575  	FW_CAPS32	= 2,	/* new Firmware: 32-bit Port Capabilities */
576  };
577  
578  struct link_config {
579  	fw_port_cap32_t pcaps;           /* link capabilities */
580  	fw_port_cap32_t def_acaps;       /* default advertised capabilities */
581  	fw_port_cap32_t acaps;           /* advertised capabilities */
582  	fw_port_cap32_t lpacaps;         /* peer advertised capabilities */
583  
584  	fw_port_cap32_t speed_caps;      /* speed(s) user has requested */
585  	unsigned int   speed;            /* actual link speed (Mb/s) */
586  
587  	enum cc_pause  requested_fc;     /* flow control user has requested */
588  	enum cc_pause  fc;               /* actual link flow control */
589  	enum cc_pause  advertised_fc;    /* actual advertised flow control */
590  
591  	enum cc_fec    requested_fec;	 /* Forward Error Correction: */
592  	enum cc_fec    fec;		 /* requested and actual in use */
593  
594  	unsigned char  autoneg;          /* autonegotiating? */
595  
596  	unsigned char  link_ok;          /* link up? */
597  	unsigned char  link_down_rc;     /* link down reason */
598  
599  	bool new_module;		 /* ->OS Transceiver Module inserted */
600  	bool redo_l1cfg;		 /* ->CC redo current "sticky" L1 CFG */
601  };
602  
603  #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
604  
605  enum {
606  	MAX_ETH_QSETS = 32,           /* # of Ethernet Tx/Rx queue sets */
607  	MAX_OFLD_QSETS = 16,          /* # of offload Tx, iscsi Rx queue sets */
608  	MAX_CTRL_QUEUES = NCHAN,      /* # of control Tx queues */
609  };
610  
611  enum {
612  	MAX_TXQ_ENTRIES      = 16384,
613  	MAX_CTRL_TXQ_ENTRIES = 1024,
614  	MAX_RSPQ_ENTRIES     = 16384,
615  	MAX_RX_BUFFERS       = 16384,
616  	MIN_TXQ_ENTRIES      = 32,
617  	MIN_CTRL_TXQ_ENTRIES = 32,
618  	MIN_RSPQ_ENTRIES     = 128,
619  	MIN_FL_ENTRIES       = 16
620  };
621  
622  enum {
623  	MAX_TXQ_DESC_SIZE      = 64,
624  	MAX_RXQ_DESC_SIZE      = 128,
625  	MAX_FL_DESC_SIZE       = 8,
626  	MAX_CTRL_TXQ_DESC_SIZE = 64,
627  };
628  
629  enum {
630  	INGQ_EXTRAS = 2,        /* firmware event queue and */
631  				/*   forwarded interrupts */
632  	MAX_INGQ = MAX_ETH_QSETS + INGQ_EXTRAS,
633  };
634  
635  enum {
636  	PRIV_FLAG_PORT_TX_VM_BIT,
637  };
638  
639  #define PRIV_FLAG_PORT_TX_VM		BIT(PRIV_FLAG_PORT_TX_VM_BIT)
640  
641  #define PRIV_FLAGS_ADAP			0
642  #define PRIV_FLAGS_PORT			PRIV_FLAG_PORT_TX_VM
643  
644  struct adapter;
645  struct sge_rspq;
646  
647  #include "cxgb4_dcb.h"
648  
649  #ifdef CONFIG_CHELSIO_T4_FCOE
650  #include "cxgb4_fcoe.h"
651  #endif /* CONFIG_CHELSIO_T4_FCOE */
652  
653  struct port_info {
654  	struct adapter *adapter;
655  	u16    viid;
656  	int    xact_addr_filt;        /* index of exact MAC address filter */
657  	u16    rss_size;              /* size of VI's RSS table slice */
658  	s8     mdio_addr;
659  	enum fw_port_type port_type;
660  	u8     mod_type;
661  	u8     port_id;
662  	u8     tx_chan;
663  	u8     lport;                 /* associated offload logical port */
664  	u8     nqsets;                /* # of qsets */
665  	u8     first_qset;            /* index of first qset */
666  	u8     rss_mode;
667  	struct link_config link_cfg;
668  	u16   *rss;
669  	struct port_stats stats_base;
670  #ifdef CONFIG_CHELSIO_T4_DCB
671  	struct port_dcb_info dcb;     /* Data Center Bridging support */
672  #endif
673  #ifdef CONFIG_CHELSIO_T4_FCOE
674  	struct cxgb_fcoe fcoe;
675  #endif /* CONFIG_CHELSIO_T4_FCOE */
676  	bool rxtstamp;  /* Enable TS */
677  	struct hwtstamp_config tstamp_config;
678  	bool ptp_enable;
679  	struct sched_table *sched_tbl;
680  	u32 eth_flags;
681  
682  	/* viid and smt fields either returned by fw
683  	 * or decoded by parsing viid by driver.
684  	 */
685  	u8 vin;
686  	u8 vivld;
687  	u8 smt_idx;
688  	u8 rx_cchan;
689  
690  	bool tc_block_shared;
691  
692  	/* Mirror VI information */
693  	u16 viid_mirror;
694  	u16 nmirrorqsets;
695  	u32 vi_mirror_count;
696  	struct mutex vi_mirror_mutex; /* Sync access to Mirror VI info */
697  	struct cxgb4_ethtool_lb_test ethtool_lb;
698  };
699  
700  struct dentry;
701  struct work_struct;
702  
703  enum {                                 /* adapter flags */
704  	CXGB4_FULL_INIT_DONE		= (1 << 0),
705  	CXGB4_DEV_ENABLED		= (1 << 1),
706  	CXGB4_USING_MSI			= (1 << 2),
707  	CXGB4_USING_MSIX		= (1 << 3),
708  	CXGB4_FW_OK			= (1 << 4),
709  	CXGB4_RSS_TNLALLLOOKUP		= (1 << 5),
710  	CXGB4_USING_SOFT_PARAMS		= (1 << 6),
711  	CXGB4_MASTER_PF			= (1 << 7),
712  	CXGB4_FW_OFLD_CONN		= (1 << 9),
713  	CXGB4_ROOT_NO_RELAXED_ORDERING	= (1 << 10),
714  	CXGB4_SHUTTING_DOWN		= (1 << 11),
715  	CXGB4_SGE_DBQ_TIMER		= (1 << 12),
716  };
717  
718  enum {
719  	ULP_CRYPTO_LOOKASIDE = 1 << 0,
720  	ULP_CRYPTO_IPSEC_INLINE = 1 << 1,
721  	ULP_CRYPTO_KTLS_INLINE  = 1 << 3,
722  };
723  
724  #define CXGB4_MIRROR_RXQ_DEFAULT_DESC_NUM 1024
725  #define CXGB4_MIRROR_RXQ_DEFAULT_DESC_SIZE 64
726  #define CXGB4_MIRROR_RXQ_DEFAULT_INTR_USEC 5
727  #define CXGB4_MIRROR_RXQ_DEFAULT_PKT_CNT 8
728  
729  #define CXGB4_MIRROR_FLQ_DEFAULT_DESC_NUM 72
730  
731  struct rx_sw_desc;
732  
733  struct sge_fl {                     /* SGE free-buffer queue state */
734  	unsigned int avail;         /* # of available Rx buffers */
735  	unsigned int pend_cred;     /* new buffers since last FL DB ring */
736  	unsigned int cidx;          /* consumer index */
737  	unsigned int pidx;          /* producer index */
738  	unsigned long alloc_failed; /* # of times buffer allocation failed */
739  	unsigned long large_alloc_failed;
740  	unsigned long mapping_err;  /* # of RX Buffer DMA Mapping failures */
741  	unsigned long low;          /* # of times momentarily starving */
742  	unsigned long starving;
743  	/* RO fields */
744  	unsigned int cntxt_id;      /* SGE context id for the free list */
745  	unsigned int size;          /* capacity of free list */
746  	struct rx_sw_desc *sdesc;   /* address of SW Rx descriptor ring */
747  	__be64 *desc;               /* address of HW Rx descriptor ring */
748  	dma_addr_t addr;            /* bus address of HW ring start */
749  	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
750  	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
751  };
752  
753  /* A packet gather list */
754  struct pkt_gl {
755  	u64 sgetstamp;		    /* SGE Time Stamp for Ingress Packet */
756  	struct page_frag frags[MAX_SKB_FRAGS];
757  	void *va;                         /* virtual address of first byte */
758  	unsigned int nfrags;              /* # of fragments */
759  	unsigned int tot_len;             /* total length of fragments */
760  };
761  
762  typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp,
763  			      const struct pkt_gl *gl);
764  typedef void (*rspq_flush_handler_t)(struct sge_rspq *q);
765  /* LRO related declarations for ULD */
766  struct t4_lro_mgr {
767  #define MAX_LRO_SESSIONS		64
768  	u8 lro_session_cnt;         /* # of sessions to aggregate */
769  	unsigned long lro_pkts;     /* # of LRO super packets */
770  	unsigned long lro_merged;   /* # of wire packets merged by LRO */
771  	struct sk_buff_head lroq;   /* list of aggregated sessions */
772  };
773  
774  struct sge_rspq {                   /* state for an SGE response queue */
775  	struct napi_struct napi;
776  	const __be64 *cur_desc;     /* current descriptor in queue */
777  	unsigned int cidx;          /* consumer index */
778  	u8 gen;                     /* current generation bit */
779  	u8 intr_params;             /* interrupt holdoff parameters */
780  	u8 next_intr_params;        /* holdoff params for next interrupt */
781  	u8 adaptive_rx;
782  	u8 pktcnt_idx;              /* interrupt packet threshold */
783  	u8 uld;                     /* ULD handling this queue */
784  	u8 idx;                     /* queue index within its group */
785  	int offset;                 /* offset into current Rx buffer */
786  	u16 cntxt_id;               /* SGE context id for the response q */
787  	u16 abs_id;                 /* absolute SGE id for the response q */
788  	__be64 *desc;               /* address of HW response ring */
789  	dma_addr_t phys_addr;       /* physical address of the ring */
790  	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
791  	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
792  	unsigned int iqe_len;       /* entry size */
793  	unsigned int size;          /* capacity of response queue */
794  	struct adapter *adap;
795  	struct net_device *netdev;  /* associated net device */
796  	rspq_handler_t handler;
797  	rspq_flush_handler_t flush_handler;
798  	struct t4_lro_mgr lro_mgr;
799  };
800  
801  struct sge_eth_stats {              /* Ethernet queue statistics */
802  	unsigned long pkts;         /* # of ethernet packets */
803  	unsigned long lro_pkts;     /* # of LRO super packets */
804  	unsigned long lro_merged;   /* # of wire packets merged by LRO */
805  	unsigned long rx_cso;       /* # of Rx checksum offloads */
806  	unsigned long vlan_ex;      /* # of Rx VLAN extractions */
807  	unsigned long rx_drops;     /* # of packets dropped due to no mem */
808  	unsigned long bad_rx_pkts;  /* # of packets with err_vec!=0 */
809  };
810  
811  struct sge_eth_rxq {                /* SW Ethernet Rx queue */
812  	struct sge_rspq rspq;
813  	struct sge_fl fl;
814  	struct sge_eth_stats stats;
815  	struct msix_info *msix;
816  } ____cacheline_aligned_in_smp;
817  
818  struct sge_ofld_stats {             /* offload queue statistics */
819  	unsigned long pkts;         /* # of packets */
820  	unsigned long imm;          /* # of immediate-data packets */
821  	unsigned long an;           /* # of asynchronous notifications */
822  	unsigned long nomem;        /* # of responses deferred due to no mem */
823  };
824  
825  struct sge_ofld_rxq {               /* SW offload Rx queue */
826  	struct sge_rspq rspq;
827  	struct sge_fl fl;
828  	struct sge_ofld_stats stats;
829  	struct msix_info *msix;
830  } ____cacheline_aligned_in_smp;
831  
832  struct tx_desc {
833  	__be64 flit[8];
834  };
835  
836  struct ulptx_sgl;
837  
838  struct tx_sw_desc {
839  	struct sk_buff *skb; /* SKB to free after getting completion */
840  	dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* DMA mapped addresses */
841  };
842  
843  struct sge_txq {
844  	unsigned int  in_use;       /* # of in-use Tx descriptors */
845  	unsigned int  q_type;	    /* Q type Eth/Ctrl/Ofld */
846  	unsigned int  size;         /* # of descriptors */
847  	unsigned int  cidx;         /* SW consumer index */
848  	unsigned int  pidx;         /* producer index */
849  	unsigned long stops;        /* # of times q has been stopped */
850  	unsigned long restarts;     /* # of queue restarts */
851  	unsigned int  cntxt_id;     /* SGE context id for the Tx q */
852  	struct tx_desc *desc;       /* address of HW Tx descriptor ring */
853  	struct tx_sw_desc *sdesc;   /* address of SW Tx descriptor ring */
854  	struct sge_qstat *stat;     /* queue status entry */
855  	dma_addr_t    phys_addr;    /* physical address of the ring */
856  	spinlock_t db_lock;
857  	int db_disabled;
858  	unsigned short db_pidx;
859  	unsigned short db_pidx_inc;
860  	void __iomem *bar2_addr;    /* address of BAR2 Queue registers */
861  	unsigned int bar2_qid;      /* Queue ID for BAR2 Queue registers */
862  };
863  
864  struct sge_eth_txq {                /* state for an SGE Ethernet Tx queue */
865  	struct sge_txq q;
866  	struct netdev_queue *txq;   /* associated netdev TX queue */
867  #ifdef CONFIG_CHELSIO_T4_DCB
868  	u8 dcb_prio;		    /* DCB Priority bound to queue */
869  #endif
870  	u8 dbqt;                    /* SGE Doorbell Queue Timer in use */
871  	unsigned int dbqtimerix;    /* SGE Doorbell Queue Timer Index */
872  	unsigned long tso;          /* # of TSO requests */
873  	unsigned long uso;          /* # of USO requests */
874  	unsigned long tx_cso;       /* # of Tx checksum offloads */
875  	unsigned long vlan_ins;     /* # of Tx VLAN insertions */
876  	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
877  } ____cacheline_aligned_in_smp;
878  
879  struct sge_uld_txq {               /* state for an SGE offload Tx queue */
880  	struct sge_txq q;
881  	struct adapter *adap;
882  	struct sk_buff_head sendq;  /* list of backpressured packets */
883  	struct tasklet_struct qresume_tsk; /* restarts the queue */
884  	bool service_ofldq_running; /* service_ofldq() is processing sendq */
885  	u8 full;                    /* the Tx ring is full */
886  	unsigned long mapping_err;  /* # of I/O MMU packet mapping errors */
887  } ____cacheline_aligned_in_smp;
888  
889  struct sge_ctrl_txq {               /* state for an SGE control Tx queue */
890  	struct sge_txq q;
891  	struct adapter *adap;
892  	struct sk_buff_head sendq;  /* list of backpressured packets */
893  	struct tasklet_struct qresume_tsk; /* restarts the queue */
894  	u8 full;                    /* the Tx ring is full */
895  } ____cacheline_aligned_in_smp;
896  
897  struct sge_uld_rxq_info {
898  	char name[IFNAMSIZ];	/* name of ULD driver */
899  	struct sge_ofld_rxq *uldrxq; /* Rxq's for ULD */
900  	u16 *rspq_id;		/* response queue id's of rxq */
901  	u16 nrxq;		/* # of ingress uld queues */
902  	u16 nciq;		/* # of completion queues */
903  	u8 uld;			/* uld type */
904  };
905  
906  struct sge_uld_txq_info {
907  	struct sge_uld_txq *uldtxq; /* Txq's for ULD */
908  	atomic_t users;		/* num users */
909  	u16 ntxq;		/* # of egress uld queues */
910  };
911  
912  /* struct to maintain ULD list to reallocate ULD resources on hotplug */
913  struct cxgb4_uld_list {
914  	struct cxgb4_uld_info uld_info;
915  	struct list_head list_node;
916  	enum cxgb4_uld uld_type;
917  };
918  
919  enum sge_eosw_state {
920  	CXGB4_EO_STATE_CLOSED = 0, /* Not ready to accept traffic */
921  	CXGB4_EO_STATE_FLOWC_OPEN_SEND, /* Send FLOWC open request */
922  	CXGB4_EO_STATE_FLOWC_OPEN_REPLY, /* Waiting for FLOWC open reply */
923  	CXGB4_EO_STATE_ACTIVE, /* Ready to accept traffic */
924  	CXGB4_EO_STATE_FLOWC_CLOSE_SEND, /* Send FLOWC close request */
925  	CXGB4_EO_STATE_FLOWC_CLOSE_REPLY, /* Waiting for FLOWC close reply */
926  };
927  
928  struct sge_eosw_txq {
929  	spinlock_t lock; /* Per queue lock to synchronize completions */
930  	enum sge_eosw_state state; /* Current ETHOFLD State */
931  	struct tx_sw_desc *desc; /* Descriptor ring to hold packets */
932  	u32 ndesc; /* Number of descriptors */
933  	u32 pidx; /* Current Producer Index */
934  	u32 last_pidx; /* Last successfully transmitted Producer Index */
935  	u32 cidx; /* Current Consumer Index */
936  	u32 last_cidx; /* Last successfully reclaimed Consumer Index */
937  	u32 flowc_idx; /* Descriptor containing a FLOWC request */
938  	u32 inuse; /* Number of packets held in ring */
939  
940  	u32 cred; /* Current available credits */
941  	u32 ncompl; /* # of completions posted */
942  	u32 last_compl; /* # of credits consumed since last completion req */
943  
944  	u32 eotid; /* Index into EOTID table in software */
945  	u32 hwtid; /* Hardware EOTID index */
946  
947  	u32 hwqid; /* Underlying hardware queue index */
948  	struct net_device *netdev; /* Pointer to netdevice */
949  	struct tasklet_struct qresume_tsk; /* Restarts the queue */
950  	struct completion completion; /* completion for FLOWC rendezvous */
951  };
952  
953  struct sge_eohw_txq {
954  	spinlock_t lock; /* Per queue lock */
955  	struct sge_txq q; /* HW Txq */
956  	struct adapter *adap; /* Backpointer to adapter */
957  	unsigned long tso; /* # of TSO requests */
958  	unsigned long uso; /* # of USO requests */
959  	unsigned long tx_cso; /* # of Tx checksum offloads */
960  	unsigned long vlan_ins; /* # of Tx VLAN insertions */
961  	unsigned long mapping_err; /* # of I/O MMU packet mapping errors */
962  };
963  
964  struct sge {
965  	struct sge_eth_txq ethtxq[MAX_ETH_QSETS];
966  	struct sge_eth_txq ptptxq;
967  	struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES];
968  
969  	struct sge_eth_rxq ethrxq[MAX_ETH_QSETS];
970  	struct sge_rspq fw_evtq ____cacheline_aligned_in_smp;
971  	struct sge_uld_rxq_info **uld_rxq_info;
972  	struct sge_uld_txq_info **uld_txq_info;
973  
974  	struct sge_rspq intrq ____cacheline_aligned_in_smp;
975  	spinlock_t intrq_lock;
976  
977  	struct sge_eohw_txq *eohw_txq;
978  	struct sge_ofld_rxq *eohw_rxq;
979  
980  	struct sge_eth_rxq *mirror_rxq[NCHAN];
981  
982  	u16 max_ethqsets;           /* # of available Ethernet queue sets */
983  	u16 ethqsets;               /* # of active Ethernet queue sets */
984  	u16 ethtxq_rover;           /* Tx queue to clean up next */
985  	u16 ofldqsets;              /* # of active ofld queue sets */
986  	u16 nqs_per_uld;	    /* # of Rx queues per ULD */
987  	u16 eoqsets;                /* # of ETHOFLD queues */
988  	u16 mirrorqsets;            /* # of Mirror queues */
989  
990  	u16 timer_val[SGE_NTIMERS];
991  	u8 counter_val[SGE_NCOUNTERS];
992  	u16 dbqtimer_tick;
993  	u16 dbqtimer_val[SGE_NDBQTIMERS];
994  	u32 fl_pg_order;            /* large page allocation size */
995  	u32 stat_len;               /* length of status page at ring end */
996  	u32 pktshift;               /* padding between CPL & packet data */
997  	u32 fl_align;               /* response queue message alignment */
998  	u32 fl_starve_thres;        /* Free List starvation threshold */
999  
1000  	struct sge_idma_monitor_state idma_monitor;
1001  	unsigned int egr_start;
1002  	unsigned int egr_sz;
1003  	unsigned int ingr_start;
1004  	unsigned int ingr_sz;
1005  	void **egr_map;    /* qid->queue egress queue map */
1006  	struct sge_rspq **ingr_map; /* qid->queue ingress queue map */
1007  	unsigned long *starving_fl;
1008  	unsigned long *txq_maperr;
1009  	unsigned long *blocked_fl;
1010  	struct timer_list rx_timer; /* refills starving FLs */
1011  	struct timer_list tx_timer; /* checks Tx queues */
1012  
1013  	int fwevtq_msix_idx; /* Index to firmware event queue MSI-X info */
1014  	int nd_msix_idx; /* Index to non-data interrupts MSI-X info */
1015  };
1016  
1017  #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++)
1018  #define for_each_ofldtxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++)
1019  
1020  struct l2t_data;
1021  
1022  #ifdef CONFIG_PCI_IOV
1023  
1024  /* T4 supports SRIOV on PF0-3 and T5 on PF0-7.  However, the Serial
1025   * Configuration initialization for T5 only has SR-IOV functionality enabled
1026   * on PF0-3 in order to simplify everything.
1027   */
1028  #define NUM_OF_PF_WITH_SRIOV 4
1029  
1030  #endif
1031  
1032  struct doorbell_stats {
1033  	u32 db_drop;
1034  	u32 db_empty;
1035  	u32 db_full;
1036  };
1037  
1038  struct hash_mac_addr {
1039  	struct list_head list;
1040  	u8 addr[ETH_ALEN];
1041  	unsigned int iface_mac;
1042  };
1043  
1044  struct msix_bmap {
1045  	unsigned long *msix_bmap;
1046  	unsigned int mapsize;
1047  	spinlock_t lock; /* lock for acquiring bitmap */
1048  };
1049  
1050  struct msix_info {
1051  	unsigned short vec;
1052  	char desc[IFNAMSIZ + 10];
1053  	unsigned int idx;
1054  	cpumask_var_t aff_mask;
1055  };
1056  
1057  struct vf_info {
1058  	unsigned char vf_mac_addr[ETH_ALEN];
1059  	unsigned int tx_rate;
1060  	bool pf_set_mac;
1061  	u16 vlan;
1062  	int link_state;
1063  };
1064  
1065  enum {
1066  	HMA_DMA_MAPPED_FLAG = 1
1067  };
1068  
1069  struct hma_data {
1070  	unsigned char flags;
1071  	struct sg_table *sgt;
1072  	dma_addr_t *phy_addr;	/* physical address of the page */
1073  };
1074  
1075  struct mbox_list {
1076  	struct list_head list;
1077  };
1078  
1079  #if IS_ENABLED(CONFIG_THERMAL)
1080  struct ch_thermal {
1081  	struct thermal_zone_device *tzdev;
1082  };
1083  #endif
1084  
1085  struct mps_entries_ref {
1086  	struct list_head list;
1087  	u8 addr[ETH_ALEN];
1088  	u8 mask[ETH_ALEN];
1089  	u16 idx;
1090  	refcount_t refcnt;
1091  };
1092  
1093  struct cxgb4_ethtool_filter_info {
1094  	u32 *loc_array; /* Array holding the actual TIDs set to filters */
1095  	unsigned long *bmap; /* Bitmap for managing filters in use */
1096  	u32 in_use; /* # of filters in use */
1097  };
1098  
1099  struct cxgb4_ethtool_filter {
1100  	u32 nentries; /* Adapter wide number of supported filters */
1101  	struct cxgb4_ethtool_filter_info *port; /* Per port entry */
1102  };
1103  
1104  struct adapter {
1105  	void __iomem *regs;
1106  	void __iomem *bar2;
1107  	u32 t4_bar0;
1108  	struct pci_dev *pdev;
1109  	struct device *pdev_dev;
1110  	const char *name;
1111  	unsigned int mbox;
1112  	unsigned int pf;
1113  	unsigned int flags;
1114  	unsigned int adap_idx;
1115  	enum chip_type chip;
1116  	u32 eth_flags;
1117  
1118  	int msg_enable;
1119  	__be16 vxlan_port;
1120  	__be16 geneve_port;
1121  
1122  	struct adapter_params params;
1123  	struct cxgb4_virt_res vres;
1124  	unsigned int swintr;
1125  
1126  	/* MSI-X Info for NIC and OFLD queues */
1127  	struct msix_info *msix_info;
1128  	struct msix_bmap msix_bmap;
1129  
1130  	struct doorbell_stats db_stats;
1131  	struct sge sge;
1132  
1133  	struct net_device *port[MAX_NPORTS];
1134  	u8 chan_map[NCHAN];                   /* channel -> port map */
1135  
1136  	struct vf_info *vfinfo;
1137  	u8 num_vfs;
1138  
1139  	u32 filter_mode;
1140  	unsigned int l2t_start;
1141  	unsigned int l2t_end;
1142  	struct l2t_data *l2t;
1143  	unsigned int clipt_start;
1144  	unsigned int clipt_end;
1145  	struct clip_tbl *clipt;
1146  	unsigned int rawf_start;
1147  	unsigned int rawf_cnt;
1148  	struct smt_data *smt;
1149  	struct cxgb4_uld_info *uld;
1150  	void *uld_handle[CXGB4_ULD_MAX];
1151  	unsigned int num_uld;
1152  	unsigned int num_ofld_uld;
1153  	struct list_head list_node;
1154  	struct list_head rcu_node;
1155  	struct list_head mac_hlist; /* list of MAC addresses in MPS Hash */
1156  	struct list_head mps_ref;
1157  	spinlock_t mps_ref_lock; /* lock for syncing mps ref/def activities */
1158  
1159  	void *iscsi_ppm;
1160  
1161  	struct tid_info tids;
1162  	void **tid_release_head;
1163  	spinlock_t tid_release_lock;
1164  	struct workqueue_struct *workq;
1165  	struct work_struct tid_release_task;
1166  	struct work_struct db_full_task;
1167  	struct work_struct db_drop_task;
1168  	struct work_struct fatal_err_notify_task;
1169  	bool tid_release_task_busy;
1170  
1171  	/* lock for mailbox cmd list */
1172  	spinlock_t mbox_lock;
1173  	struct mbox_list mlist;
1174  
1175  	/* support for mailbox command/reply logging */
1176  #define T4_OS_LOG_MBOX_CMDS 256
1177  	struct mbox_cmd_log *mbox_log;
1178  
1179  	struct mutex uld_mutex;
1180  
1181  	struct dentry *debugfs_root;
1182  	bool use_bd;     /* Use SGE Back Door intfc for reading SGE Contexts */
1183  	bool trace_rss;	/* 1 implies that different RSS flit per filter is
1184  			 * used per filter else if 0 default RSS flit is
1185  			 * used for all 4 filters.
1186  			 */
1187  
1188  	struct ptp_clock *ptp_clock;
1189  	struct ptp_clock_info ptp_clock_info;
1190  	struct sk_buff *ptp_tx_skb;
1191  	/* ptp lock */
1192  	spinlock_t ptp_lock;
1193  	spinlock_t stats_lock;
1194  	spinlock_t win0_lock ____cacheline_aligned_in_smp;
1195  
1196  	/* TC u32 offload */
1197  	struct cxgb4_tc_u32_table *tc_u32;
1198  	struct chcr_ktls chcr_ktls;
1199  	struct chcr_stats_debug chcr_stats;
1200  #if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
1201  	struct ch_ktls_stats_debug ch_ktls_stats;
1202  #endif
1203  #if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE)
1204  	struct ch_ipsec_stats_debug ch_ipsec_stats;
1205  #endif
1206  
1207  	/* TC flower offload */
1208  	bool tc_flower_initialized;
1209  	struct rhashtable flower_tbl;
1210  	struct rhashtable_params flower_ht_params;
1211  	struct timer_list flower_stats_timer;
1212  	struct work_struct flower_stats_work;
1213  
1214  	/* Ethtool Dump */
1215  	struct ethtool_dump eth_dump;
1216  
1217  	/* HMA */
1218  	struct hma_data hma;
1219  
1220  	struct srq_data *srq;
1221  
1222  	/* Dump buffer for collecting logs in kdump kernel */
1223  	struct vmcoredd_data vmcoredd;
1224  #if IS_ENABLED(CONFIG_THERMAL)
1225  	struct ch_thermal ch_thermal;
1226  #endif
1227  
1228  	/* TC MQPRIO offload */
1229  	struct cxgb4_tc_mqprio *tc_mqprio;
1230  
1231  	/* TC MATCHALL classifier offload */
1232  	struct cxgb4_tc_matchall *tc_matchall;
1233  
1234  	/* Ethtool n-tuple */
1235  	struct cxgb4_ethtool_filter *ethtool_filters;
1236  };
1237  
1238  /* Support for "sched-class" command to allow a TX Scheduling Class to be
1239   * programmed with various parameters.
1240   */
1241  struct ch_sched_params {
1242  	u8   type;                     /* packet or flow */
1243  	union {
1244  		struct {
1245  			u8   level;    /* scheduler hierarchy level */
1246  			u8   mode;     /* per-class or per-flow */
1247  			u8   rateunit; /* bit or packet rate */
1248  			u8   ratemode; /* %port relative or kbps absolute */
1249  			u8   channel;  /* scheduler channel [0..N] */
1250  			u8   class;    /* scheduler class [0..N] */
1251  			u32  minrate;  /* minimum rate */
1252  			u32  maxrate;  /* maximum rate */
1253  			u16  weight;   /* percent weight */
1254  			u16  pktsize;  /* average packet size */
1255  			u16  burstsize;  /* burst buffer size */
1256  		} params;
1257  	} u;
1258  };
1259  
1260  enum {
1261  	SCHED_CLASS_TYPE_PACKET = 0,    /* class type */
1262  };
1263  
1264  enum {
1265  	SCHED_CLASS_LEVEL_CL_RL = 0,    /* class rate limiter */
1266  	SCHED_CLASS_LEVEL_CH_RL = 2,    /* channel rate limiter */
1267  };
1268  
1269  enum {
1270  	SCHED_CLASS_MODE_CLASS = 0,     /* per-class scheduling */
1271  	SCHED_CLASS_MODE_FLOW,          /* per-flow scheduling */
1272  };
1273  
1274  enum {
1275  	SCHED_CLASS_RATEUNIT_BITS = 0,  /* bit rate scheduling */
1276  };
1277  
1278  enum {
1279  	SCHED_CLASS_RATEMODE_ABS = 1,   /* Kb/s */
1280  };
1281  
1282  /* Support for "sched_queue" command to allow one or more NIC TX Queues
1283   * to be bound to a TX Scheduling Class.
1284   */
1285  struct ch_sched_queue {
1286  	s8   queue;    /* queue index */
1287  	s8   class;    /* class index */
1288  };
1289  
1290  /* Support for "sched_flowc" command to allow one or more FLOWC
1291   * to be bound to a TX Scheduling Class.
1292   */
1293  struct ch_sched_flowc {
1294  	s32 tid;   /* TID to bind */
1295  	s8  class; /* class index */
1296  };
1297  
1298  /* Defined bit width of user definable filter tuples
1299   */
1300  #define ETHTYPE_BITWIDTH 16
1301  #define FRAG_BITWIDTH 1
1302  #define MACIDX_BITWIDTH 9
1303  #define FCOE_BITWIDTH 1
1304  #define IPORT_BITWIDTH 3
1305  #define MATCHTYPE_BITWIDTH 3
1306  #define PROTO_BITWIDTH 8
1307  #define TOS_BITWIDTH 8
1308  #define PF_BITWIDTH 8
1309  #define VF_BITWIDTH 8
1310  #define IVLAN_BITWIDTH 16
1311  #define OVLAN_BITWIDTH 16
1312  #define ENCAP_VNI_BITWIDTH 24
1313  
1314  /* Filter matching rules.  These consist of a set of ingress packet field
1315   * (value, mask) tuples.  The associated ingress packet field matches the
1316   * tuple when ((field & mask) == value).  (Thus a wildcard "don't care" field
1317   * rule can be constructed by specifying a tuple of (0, 0).)  A filter rule
1318   * matches an ingress packet when all of the individual individual field
1319   * matching rules are true.
1320   *
1321   * Partial field masks are always valid, however, while it may be easy to
1322   * understand their meanings for some fields (e.g. IP address to match a
1323   * subnet), for others making sensible partial masks is less intuitive (e.g.
1324   * MPS match type) ...
1325   *
1326   * Most of the following data structures are modeled on T4 capabilities.
1327   * Drivers for earlier chips use the subsets which make sense for those chips.
1328   * We really need to come up with a hardware-independent mechanism to
1329   * represent hardware filter capabilities ...
1330   */
1331  struct ch_filter_tuple {
1332  	/* Compressed header matching field rules.  The TP_VLAN_PRI_MAP
1333  	 * register selects which of these fields will participate in the
1334  	 * filter match rules -- up to a maximum of 36 bits.  Because
1335  	 * TP_VLAN_PRI_MAP is a global register, all filters must use the same
1336  	 * set of fields.
1337  	 */
1338  	uint32_t ethtype:ETHTYPE_BITWIDTH;      /* Ethernet type */
1339  	uint32_t frag:FRAG_BITWIDTH;            /* IP fragmentation header */
1340  	uint32_t ivlan_vld:1;                   /* inner VLAN valid */
1341  	uint32_t ovlan_vld:1;                   /* outer VLAN valid */
1342  	uint32_t pfvf_vld:1;                    /* PF/VF valid */
1343  	uint32_t encap_vld:1;			/* Encapsulation valid */
1344  	uint32_t macidx:MACIDX_BITWIDTH;        /* exact match MAC index */
1345  	uint32_t fcoe:FCOE_BITWIDTH;            /* FCoE packet */
1346  	uint32_t iport:IPORT_BITWIDTH;          /* ingress port */
1347  	uint32_t matchtype:MATCHTYPE_BITWIDTH;  /* MPS match type */
1348  	uint32_t proto:PROTO_BITWIDTH;          /* protocol type */
1349  	uint32_t tos:TOS_BITWIDTH;              /* TOS/Traffic Type */
1350  	uint32_t pf:PF_BITWIDTH;                /* PCI-E PF ID */
1351  	uint32_t vf:VF_BITWIDTH;                /* PCI-E VF ID */
1352  	uint32_t ivlan:IVLAN_BITWIDTH;          /* inner VLAN */
1353  	uint32_t ovlan:OVLAN_BITWIDTH;          /* outer VLAN */
1354  	uint32_t vni:ENCAP_VNI_BITWIDTH;	/* VNI of tunnel */
1355  
1356  	/* Uncompressed header matching field rules.  These are always
1357  	 * available for field rules.
1358  	 */
1359  	uint8_t lip[16];        /* local IP address (IPv4 in [3:0]) */
1360  	uint8_t fip[16];        /* foreign IP address (IPv4 in [3:0]) */
1361  	uint16_t lport;         /* local port */
1362  	uint16_t fport;         /* foreign port */
1363  };
1364  
1365  /* A filter ioctl command.
1366   */
1367  struct ch_filter_specification {
1368  	/* Administrative fields for filter.
1369  	 */
1370  	uint32_t hitcnts:1;     /* count filter hits in TCB */
1371  	uint32_t prio:1;        /* filter has priority over active/server */
1372  
1373  	/* Fundamental filter typing.  This is the one element of filter
1374  	 * matching that doesn't exist as a (value, mask) tuple.
1375  	 */
1376  	uint32_t type:1;        /* 0 => IPv4, 1 => IPv6 */
1377  	u32 hash:1;		/* 0 => wild-card, 1 => exact-match */
1378  
1379  	/* Packet dispatch information.  Ingress packets which match the
1380  	 * filter rules will be dropped, passed to the host or switched back
1381  	 * out as egress packets.
1382  	 */
1383  	uint32_t action:2;      /* drop, pass, switch */
1384  
1385  	uint32_t rpttid:1;      /* report TID in RSS hash field */
1386  
1387  	uint32_t dirsteer:1;    /* 0 => RSS, 1 => steer to iq */
1388  	uint32_t iq:10;         /* ingress queue */
1389  
1390  	uint32_t maskhash:1;    /* dirsteer=0: store RSS hash in TCB */
1391  	uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */
1392  				/*             1 => TCB contains IQ ID */
1393  
1394  	/* Switch proxy/rewrite fields.  An ingress packet which matches a
1395  	 * filter with "switch" set will be looped back out as an egress
1396  	 * packet -- potentially with some Ethernet header rewriting.
1397  	 */
1398  	uint32_t eport:2;       /* egress port to switch packet out */
1399  	uint32_t newdmac:1;     /* rewrite destination MAC address */
1400  	uint32_t newsmac:1;     /* rewrite source MAC address */
1401  	uint32_t newvlan:2;     /* rewrite VLAN Tag */
1402  	uint32_t nat_mode:3;    /* specify NAT operation mode */
1403  	uint8_t dmac[ETH_ALEN]; /* new destination MAC address */
1404  	uint8_t smac[ETH_ALEN]; /* new source MAC address */
1405  	uint16_t vlan;          /* VLAN Tag to insert */
1406  
1407  	u8 nat_lip[16];		/* local IP to use after NAT'ing */
1408  	u8 nat_fip[16];		/* foreign IP to use after NAT'ing */
1409  	u16 nat_lport;		/* local port to use after NAT'ing */
1410  	u16 nat_fport;		/* foreign port to use after NAT'ing */
1411  
1412  	u32 tc_prio;		/* TC's filter priority index */
1413  	u64 tc_cookie;		/* Unique cookie identifying TC rules */
1414  
1415  	/* reservation for future additions */
1416  	u8 rsvd[12];
1417  
1418  	/* Filter rule value/mask pairs.
1419  	 */
1420  	struct ch_filter_tuple val;
1421  	struct ch_filter_tuple mask;
1422  };
1423  
1424  enum {
1425  	FILTER_PASS = 0,        /* default */
1426  	FILTER_DROP,
1427  	FILTER_SWITCH
1428  };
1429  
1430  enum {
1431  	VLAN_NOCHANGE = 0,      /* default */
1432  	VLAN_REMOVE,
1433  	VLAN_INSERT,
1434  	VLAN_REWRITE
1435  };
1436  
1437  enum {
1438  	NAT_MODE_NONE = 0,	/* No NAT performed */
1439  	NAT_MODE_DIP,		/* NAT on Dst IP */
1440  	NAT_MODE_DIP_DP,	/* NAT on Dst IP, Dst Port */
1441  	NAT_MODE_DIP_DP_SIP,	/* NAT on Dst IP, Dst Port and Src IP */
1442  	NAT_MODE_DIP_DP_SP,	/* NAT on Dst IP, Dst Port and Src Port */
1443  	NAT_MODE_SIP_SP,	/* NAT on Src IP and Src Port */
1444  	NAT_MODE_DIP_SIP_SP,	/* NAT on Dst IP, Src IP and Src Port */
1445  	NAT_MODE_ALL		/* NAT on entire 4-tuple */
1446  };
1447  
1448  #define CXGB4_FILTER_TYPE_MAX 2
1449  
1450  /* Host shadow copy of ingress filter entry.  This is in host native format
1451   * and doesn't match the ordering or bit order, etc. of the hardware of the
1452   * firmware command.  The use of bit-field structure elements is purely to
1453   * remind ourselves of the field size limitations and save memory in the case
1454   * where the filter table is large.
1455   */
1456  struct filter_entry {
1457  	/* Administrative fields for filter. */
1458  	u32 valid:1;            /* filter allocated and valid */
1459  	u32 locked:1;           /* filter is administratively locked */
1460  
1461  	u32 pending:1;          /* filter action is pending firmware reply */
1462  	struct filter_ctx *ctx; /* Caller's completion hook */
1463  	struct l2t_entry *l2t;  /* Layer Two Table entry for dmac */
1464  	struct smt_entry *smt;  /* Source Mac Table entry for smac */
1465  	struct net_device *dev; /* Associated net device */
1466  	u32 tid;                /* This will store the actual tid */
1467  
1468  	/* The filter itself.  Most of this is a straight copy of information
1469  	 * provided by the extended ioctl().  Some fields are translated to
1470  	 * internal forms -- for instance the Ingress Queue ID passed in from
1471  	 * the ioctl() is translated into the Absolute Ingress Queue ID.
1472  	 */
1473  	struct ch_filter_specification fs;
1474  };
1475  
is_offload(const struct adapter * adap)1476  static inline int is_offload(const struct adapter *adap)
1477  {
1478  	return adap->params.offload;
1479  }
1480  
is_hashfilter(const struct adapter * adap)1481  static inline int is_hashfilter(const struct adapter *adap)
1482  {
1483  	return adap->params.hash_filter;
1484  }
1485  
is_pci_uld(const struct adapter * adap)1486  static inline int is_pci_uld(const struct adapter *adap)
1487  {
1488  	return adap->params.crypto;
1489  }
1490  
is_uld(const struct adapter * adap)1491  static inline int is_uld(const struct adapter *adap)
1492  {
1493  	return (adap->params.offload || adap->params.crypto);
1494  }
1495  
is_ethofld(const struct adapter * adap)1496  static inline int is_ethofld(const struct adapter *adap)
1497  {
1498  	return adap->params.ethofld;
1499  }
1500  
t4_read_reg(struct adapter * adap,u32 reg_addr)1501  static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr)
1502  {
1503  	return readl(adap->regs + reg_addr);
1504  }
1505  
t4_write_reg(struct adapter * adap,u32 reg_addr,u32 val)1506  static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val)
1507  {
1508  	writel(val, adap->regs + reg_addr);
1509  }
1510  
1511  #ifndef readq
readq(const volatile void __iomem * addr)1512  static inline u64 readq(const volatile void __iomem *addr)
1513  {
1514  	return readl(addr) + ((u64)readl(addr + 4) << 32);
1515  }
1516  
writeq(u64 val,volatile void __iomem * addr)1517  static inline void writeq(u64 val, volatile void __iomem *addr)
1518  {
1519  	writel(val, addr);
1520  	writel(val >> 32, addr + 4);
1521  }
1522  #endif
1523  
t4_read_reg64(struct adapter * adap,u32 reg_addr)1524  static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr)
1525  {
1526  	return readq(adap->regs + reg_addr);
1527  }
1528  
t4_write_reg64(struct adapter * adap,u32 reg_addr,u64 val)1529  static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val)
1530  {
1531  	writeq(val, adap->regs + reg_addr);
1532  }
1533  
1534  /**
1535   * t4_set_hw_addr - store a port's MAC address in SW
1536   * @adapter: the adapter
1537   * @port_idx: the port index
1538   * @hw_addr: the Ethernet address
1539   *
1540   * Store the Ethernet address of the given port in SW.  Called by the common
1541   * code when it retrieves a port's Ethernet address from EEPROM.
1542   */
t4_set_hw_addr(struct adapter * adapter,int port_idx,u8 hw_addr[])1543  static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx,
1544  				  u8 hw_addr[])
1545  {
1546  	eth_hw_addr_set(adapter->port[port_idx], hw_addr);
1547  	ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr);
1548  }
1549  
1550  /**
1551   * netdev2pinfo - return the port_info structure associated with a net_device
1552   * @dev: the netdev
1553   *
1554   * Return the struct port_info associated with a net_device
1555   */
netdev2pinfo(const struct net_device * dev)1556  static inline struct port_info *netdev2pinfo(const struct net_device *dev)
1557  {
1558  	return netdev_priv(dev);
1559  }
1560  
1561  /**
1562   * adap2pinfo - return the port_info of a port
1563   * @adap: the adapter
1564   * @idx: the port index
1565   *
1566   * Return the port_info structure for the port of the given index.
1567   */
adap2pinfo(struct adapter * adap,int idx)1568  static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
1569  {
1570  	return netdev_priv(adap->port[idx]);
1571  }
1572  
1573  /**
1574   * netdev2adap - return the adapter structure associated with a net_device
1575   * @dev: the netdev
1576   *
1577   * Return the struct adapter associated with a net_device
1578   */
netdev2adap(const struct net_device * dev)1579  static inline struct adapter *netdev2adap(const struct net_device *dev)
1580  {
1581  	return netdev2pinfo(dev)->adapter;
1582  }
1583  
1584  /* Return a version number to identify the type of adapter.  The scheme is:
1585   * - bits 0..9: chip version
1586   * - bits 10..15: chip revision
1587   * - bits 16..23: register dump version
1588   */
mk_adap_vers(struct adapter * ap)1589  static inline unsigned int mk_adap_vers(struct adapter *ap)
1590  {
1591  	return CHELSIO_CHIP_VERSION(ap->params.chip) |
1592  		(CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16);
1593  }
1594  
1595  /* Return a queue's interrupt hold-off time in us.  0 means no timer. */
qtimer_val(const struct adapter * adap,const struct sge_rspq * q)1596  static inline unsigned int qtimer_val(const struct adapter *adap,
1597  				      const struct sge_rspq *q)
1598  {
1599  	unsigned int idx = q->intr_params >> 1;
1600  
1601  	return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0;
1602  }
1603  
1604  /* driver name used for ethtool_drvinfo */
1605  extern char cxgb4_driver_name[];
1606  
1607  void t4_os_portmod_changed(struct adapter *adap, int port_id);
1608  void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
1609  
1610  void t4_free_sge_resources(struct adapter *adap);
1611  void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
1612  irq_handler_t t4_intr_handler(struct adapter *adap);
1613  netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev);
1614  int cxgb4_selftest_lb_pkt(struct net_device *netdev);
1615  int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
1616  		     const struct pkt_gl *gl);
1617  int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
1618  int t4_ofld_send(struct adapter *adap, struct sk_buff *skb);
1619  int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
1620  		     struct net_device *dev, int intr_idx,
1621  		     struct sge_fl *fl, rspq_handler_t hnd,
1622  		     rspq_flush_handler_t flush_handler, int cong);
1623  int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
1624  			 struct net_device *dev, struct netdev_queue *netdevq,
1625  			 unsigned int iqid, u8 dbqt);
1626  int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq,
1627  			  struct net_device *dev, unsigned int iqid,
1628  			  unsigned int cmplqid);
1629  int t4_sge_mod_ctrl_txq(struct adapter *adap, unsigned int eqid,
1630  			unsigned int cmplqid);
1631  int t4_sge_alloc_uld_txq(struct adapter *adap, struct sge_uld_txq *txq,
1632  			 struct net_device *dev, unsigned int iqid,
1633  			 unsigned int uld_type);
1634  int t4_sge_alloc_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq,
1635  			     struct net_device *dev, u32 iqid);
1636  void t4_sge_free_ethofld_txq(struct adapter *adap, struct sge_eohw_txq *txq);
1637  irqreturn_t t4_sge_intr_msix(int irq, void *cookie);
1638  int t4_sge_init(struct adapter *adap);
1639  void t4_sge_start(struct adapter *adap);
1640  void t4_sge_stop(struct adapter *adap);
1641  int t4_sge_eth_txq_egress_update(struct adapter *adap, struct sge_eth_txq *q,
1642  				 int maxreclaim);
1643  void cxgb4_set_ethtool_ops(struct net_device *netdev);
1644  int cxgb4_write_rss(const struct port_info *pi, const u16 *queues);
1645  enum cpl_tx_tnl_lso_type cxgb_encap_offload_supported(struct sk_buff *skb);
1646  extern int dbfifo_int_thresh;
1647  
1648  #define for_each_port(adapter, iter) \
1649  	for (iter = 0; iter < (adapter)->params.nports; ++iter)
1650  
is_bypass(struct adapter * adap)1651  static inline int is_bypass(struct adapter *adap)
1652  {
1653  	return adap->params.bypass;
1654  }
1655  
is_bypass_device(int device)1656  static inline int is_bypass_device(int device)
1657  {
1658  	/* this should be set based upon device capabilities */
1659  	switch (device) {
1660  	case 0x440b:
1661  	case 0x440c:
1662  		return 1;
1663  	default:
1664  		return 0;
1665  	}
1666  }
1667  
is_10gbt_device(int device)1668  static inline int is_10gbt_device(int device)
1669  {
1670  	/* this should be set based upon device capabilities */
1671  	switch (device) {
1672  	case 0x4409:
1673  	case 0x4486:
1674  		return 1;
1675  
1676  	default:
1677  		return 0;
1678  	}
1679  }
1680  
core_ticks_per_usec(const struct adapter * adap)1681  static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
1682  {
1683  	return adap->params.vpd.cclk / 1000;
1684  }
1685  
us_to_core_ticks(const struct adapter * adap,unsigned int us)1686  static inline unsigned int us_to_core_ticks(const struct adapter *adap,
1687  					    unsigned int us)
1688  {
1689  	return (us * adap->params.vpd.cclk) / 1000;
1690  }
1691  
core_ticks_to_us(const struct adapter * adapter,unsigned int ticks)1692  static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
1693  					    unsigned int ticks)
1694  {
1695  	/* add Core Clock / 2 to round ticks to nearest uS */
1696  	return ((ticks * 1000 + adapter->params.vpd.cclk/2) /
1697  		adapter->params.vpd.cclk);
1698  }
1699  
dack_ticks_to_usec(const struct adapter * adap,unsigned int ticks)1700  static inline unsigned int dack_ticks_to_usec(const struct adapter *adap,
1701  					      unsigned int ticks)
1702  {
1703  	return (ticks << adap->params.tp.dack_re) / core_ticks_per_usec(adap);
1704  }
1705  
1706  void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
1707  		      u32 val);
1708  
1709  int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd,
1710  			    int size, void *rpl, bool sleep_ok, int timeout);
1711  int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size,
1712  		    void *rpl, bool sleep_ok);
1713  
t4_wr_mbox_timeout(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl,int timeout)1714  static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox,
1715  				     const void *cmd, int size, void *rpl,
1716  				     int timeout)
1717  {
1718  	return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true,
1719  				       timeout);
1720  }
1721  
t4_wr_mbox(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl)1722  static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd,
1723  			     int size, void *rpl)
1724  {
1725  	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true);
1726  }
1727  
t4_wr_mbox_ns(struct adapter * adap,int mbox,const void * cmd,int size,void * rpl)1728  static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd,
1729  				int size, void *rpl)
1730  {
1731  	return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false);
1732  }
1733  
1734  /**
1735   *	hash_mac_addr - return the hash value of a MAC address
1736   *	@addr: the 48-bit Ethernet MAC address
1737   *
1738   *	Hashes a MAC address according to the hash function used by HW inexact
1739   *	(hash) address matching.
1740   */
hash_mac_addr(const u8 * addr)1741  static inline int hash_mac_addr(const u8 *addr)
1742  {
1743  	u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2];
1744  	u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5];
1745  
1746  	a ^= b;
1747  	a ^= (a >> 12);
1748  	a ^= (a >> 6);
1749  	return a & 0x3f;
1750  }
1751  
1752  int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
1753  			       unsigned int cnt);
init_rspq(struct adapter * adap,struct sge_rspq * q,unsigned int us,unsigned int cnt,unsigned int size,unsigned int iqe_size)1754  static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
1755  			     unsigned int us, unsigned int cnt,
1756  			     unsigned int size, unsigned int iqe_size)
1757  {
1758  	q->adap = adap;
1759  	cxgb4_set_rspq_intr_params(q, us, cnt);
1760  	q->iqe_len = iqe_size;
1761  	q->size = size;
1762  }
1763  
1764  /**
1765   *     t4_is_inserted_mod_type - is a plugged in Firmware Module Type
1766   *     @fw_mod_type: the Firmware Mofule Type
1767   *
1768   *     Return whether the Firmware Module Type represents a real Transceiver
1769   *     Module/Cable Module Type which has been inserted.
1770   */
t4_is_inserted_mod_type(unsigned int fw_mod_type)1771  static inline bool t4_is_inserted_mod_type(unsigned int fw_mod_type)
1772  {
1773  	return (fw_mod_type != FW_PORT_MOD_TYPE_NONE &&
1774  		fw_mod_type != FW_PORT_MOD_TYPE_NOTSUPPORTED &&
1775  		fw_mod_type != FW_PORT_MOD_TYPE_UNKNOWN &&
1776  		fw_mod_type != FW_PORT_MOD_TYPE_ERROR);
1777  }
1778  
1779  void t4_write_indirect(struct adapter *adap, unsigned int addr_reg,
1780  		       unsigned int data_reg, const u32 *vals,
1781  		       unsigned int nregs, unsigned int start_idx);
1782  void t4_read_indirect(struct adapter *adap, unsigned int addr_reg,
1783  		      unsigned int data_reg, u32 *vals, unsigned int nregs,
1784  		      unsigned int start_idx);
1785  void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val);
1786  
1787  struct fw_filter_wr;
1788  
1789  void t4_intr_enable(struct adapter *adapter);
1790  void t4_intr_disable(struct adapter *adapter);
1791  int t4_slow_intr_handler(struct adapter *adapter);
1792  
1793  int t4_wait_dev_ready(void __iomem *regs);
1794  
1795  fw_port_cap32_t t4_link_acaps(struct adapter *adapter, unsigned int port,
1796  			      struct link_config *lc);
1797  int t4_link_l1cfg_core(struct adapter *adap, unsigned int mbox,
1798  		       unsigned int port, struct link_config *lc,
1799  		       u8 sleep_ok, int timeout);
1800  
t4_link_l1cfg(struct adapter * adapter,unsigned int mbox,unsigned int port,struct link_config * lc)1801  static inline int t4_link_l1cfg(struct adapter *adapter, unsigned int mbox,
1802  				unsigned int port, struct link_config *lc)
1803  {
1804  	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1805  				  true, FW_CMD_MAX_TIMEOUT);
1806  }
1807  
t4_link_l1cfg_ns(struct adapter * adapter,unsigned int mbox,unsigned int port,struct link_config * lc)1808  static inline int t4_link_l1cfg_ns(struct adapter *adapter, unsigned int mbox,
1809  				   unsigned int port, struct link_config *lc)
1810  {
1811  	return t4_link_l1cfg_core(adapter, mbox, port, lc,
1812  				  false, FW_CMD_MAX_TIMEOUT);
1813  }
1814  
1815  int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port);
1816  
1817  u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
1818  u32 t4_get_util_window(struct adapter *adap);
1819  void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
1820  
1821  int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
1822  		      u32 *mem_base, u32 *mem_aperture);
1823  void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
1824  void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
1825  			   int dir);
1826  #define T4_MEMORY_WRITE	0
1827  #define T4_MEMORY_READ	1
1828  int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
1829  		 void *buf, int dir);
t4_memory_write(struct adapter * adap,int mtype,u32 addr,u32 len,__be32 * buf)1830  static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr,
1831  				  u32 len, __be32 *buf)
1832  {
1833  	return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0);
1834  }
1835  
1836  unsigned int t4_get_regs_len(struct adapter *adapter);
1837  void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size);
1838  
1839  int t4_eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz);
1840  int t4_seeprom_wp(struct adapter *adapter, bool enable);
1841  int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p);
1842  int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p);
1843  int t4_get_pfres(struct adapter *adapter);
1844  int t4_read_flash(struct adapter *adapter, unsigned int addr,
1845  		  unsigned int nwords, u32 *data, int byte_oriented);
1846  int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size);
1847  int t4_load_phy_fw(struct adapter *adap, int win,
1848  		   int (*phy_fw_version)(const u8 *, size_t),
1849  		   const u8 *phy_fw_data, size_t phy_fw_size);
1850  int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver);
1851  int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op);
1852  int t4_fw_upgrade(struct adapter *adap, unsigned int mbox,
1853  		  const u8 *fw_data, unsigned int size, int force);
1854  int t4_fl_pkt_align(struct adapter *adap);
1855  unsigned int t4_flash_cfg_addr(struct adapter *adapter);
1856  int t4_check_fw_version(struct adapter *adap);
1857  int t4_load_cfg(struct adapter *adapter, const u8 *cfg_data, unsigned int size);
1858  int t4_get_fw_version(struct adapter *adapter, u32 *vers);
1859  int t4_get_bs_version(struct adapter *adapter, u32 *vers);
1860  int t4_get_tp_version(struct adapter *adapter, u32 *vers);
1861  int t4_get_exprom_version(struct adapter *adapter, u32 *vers);
1862  int t4_get_scfg_version(struct adapter *adapter, u32 *vers);
1863  int t4_get_vpd_version(struct adapter *adapter, u32 *vers);
1864  int t4_get_version_info(struct adapter *adapter);
1865  void t4_dump_version_info(struct adapter *adapter);
1866  int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info,
1867  	       const u8 *fw_data, unsigned int fw_size,
1868  	       struct fw_hdr *card_fw, enum dev_state state, int *reset);
1869  int t4_prep_adapter(struct adapter *adapter);
1870  int t4_shutdown_adapter(struct adapter *adapter);
1871  
1872  enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
1873  int t4_bar2_sge_qregs(struct adapter *adapter,
1874  		      unsigned int qid,
1875  		      enum t4_bar2_qtype qtype,
1876  		      int user,
1877  		      u64 *pbar2_qoffset,
1878  		      unsigned int *pbar2_qid);
1879  
1880  unsigned int qtimer_val(const struct adapter *adap,
1881  			const struct sge_rspq *q);
1882  
1883  int t4_init_devlog_params(struct adapter *adapter);
1884  int t4_init_sge_params(struct adapter *adapter);
1885  int t4_init_tp_params(struct adapter *adap, bool sleep_ok);
1886  int t4_filter_field_shift(const struct adapter *adap, int filter_sel);
1887  int t4_init_rss_mode(struct adapter *adap, int mbox);
1888  int t4_init_portinfo(struct port_info *pi, int mbox,
1889  		     int port, int pf, int vf, u8 mac[]);
1890  int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
1891  int t4_init_port_mirror(struct port_info *pi, u8 mbox, u8 port, u8 pf, u8 vf,
1892  			u16 *mirror_viid);
1893  void t4_fatal_err(struct adapter *adapter);
1894  unsigned int t4_chip_rss_size(struct adapter *adapter);
1895  int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid,
1896  			int start, int n, const u16 *rspq, unsigned int nrspq);
1897  int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode,
1898  		       unsigned int flags);
1899  int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid,
1900  		     unsigned int flags, unsigned int defq);
1901  int t4_read_rss(struct adapter *adapter, u16 *entries);
1902  void t4_read_rss_key(struct adapter *adapter, u32 *key, bool sleep_ok);
1903  void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx,
1904  		      bool sleep_ok);
1905  void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index,
1906  			   u32 *valp, bool sleep_ok);
1907  void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index,
1908  			   u32 *vfl, u32 *vfh, bool sleep_ok);
1909  u32 t4_read_rss_pf_map(struct adapter *adapter, bool sleep_ok);
1910  u32 t4_read_rss_pf_mask(struct adapter *adapter, bool sleep_ok);
1911  
1912  unsigned int t4_get_mps_bg_map(struct adapter *adapter, int pidx);
1913  unsigned int t4_get_tp_ch_map(struct adapter *adapter, int pidx);
1914  void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1915  void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]);
1916  int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data,
1917  		    size_t n);
1918  int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data,
1919  		    size_t n);
1920  int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n,
1921  		unsigned int *valp);
1922  int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n,
1923  		 const unsigned int *valp);
1924  int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr);
1925  void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp,
1926  			unsigned int *pif_req_wrptr,
1927  			unsigned int *pif_rsp_wrptr);
1928  void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp);
1929  void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres);
1930  const char *t4_get_port_type_description(enum fw_port_type port_type);
1931  void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p);
1932  void t4_get_port_stats_offset(struct adapter *adap, int idx,
1933  			      struct port_stats *stats,
1934  			      struct port_stats *offset);
1935  void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p);
1936  void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log);
1937  void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]);
1938  void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr,
1939  			    unsigned int mask, unsigned int val);
1940  void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr);
1941  void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st,
1942  			 bool sleep_ok);
1943  void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st,
1944  			 bool sleep_ok);
1945  void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st,
1946  			  bool sleep_ok);
1947  void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st,
1948  		      bool sleep_ok);
1949  void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4,
1950  			 struct tp_tcp_stats *v6, bool sleep_ok);
1951  void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
1952  		       struct tp_fcoe_stats *st, bool sleep_ok);
1953  void t4_load_mtus(struct adapter *adap, const unsigned short *mtus,
1954  		  const unsigned short *alpha, const unsigned short *beta);
1955  
1956  void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf);
1957  
1958  void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate);
1959  void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid);
1960  
1961  int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox,
1962  		enum dev_master master, enum dev_state *state);
1963  int t4_fw_bye(struct adapter *adap, unsigned int mbox);
1964  int t4_early_init(struct adapter *adap, unsigned int mbox);
1965  int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset);
1966  int t4_fixup_host_params(struct adapter *adap, unsigned int page_size,
1967  			  unsigned int cache_line_size);
1968  int t4_fw_initialize(struct adapter *adap, unsigned int mbox);
1969  int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1970  		    unsigned int vf, unsigned int nparams, const u32 *params,
1971  		    u32 *val);
1972  int t4_query_params_ns(struct adapter *adap, unsigned int mbox, unsigned int pf,
1973  		       unsigned int vf, unsigned int nparams, const u32 *params,
1974  		       u32 *val);
1975  int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf,
1976  		       unsigned int vf, unsigned int nparams, const u32 *params,
1977  		       u32 *val, int rw, bool sleep_ok);
1978  int t4_set_params_timeout(struct adapter *adap, unsigned int mbox,
1979  			  unsigned int pf, unsigned int vf,
1980  			  unsigned int nparams, const u32 *params,
1981  			  const u32 *val, int timeout);
1982  int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf,
1983  		  unsigned int vf, unsigned int nparams, const u32 *params,
1984  		  const u32 *val);
1985  int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
1986  		unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl,
1987  		unsigned int rxqi, unsigned int rxq, unsigned int tc,
1988  		unsigned int vi, unsigned int cmask, unsigned int pmask,
1989  		unsigned int nexact, unsigned int rcaps, unsigned int wxcaps);
1990  int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
1991  		unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
1992  		unsigned int *rss_size, u8 *vivld, u8 *vin);
1993  int t4_free_vi(struct adapter *adap, unsigned int mbox,
1994  	       unsigned int pf, unsigned int vf,
1995  	       unsigned int viid);
1996  int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
1997  		  unsigned int viid_mirror, int mtu, int promisc, int all_multi,
1998  		  int bcast, int vlanex, bool sleep_ok);
1999  int t4_free_raw_mac_filt(struct adapter *adap, unsigned int viid,
2000  			 const u8 *addr, const u8 *mask, unsigned int idx,
2001  			 u8 lookup_type, u8 port_id, bool sleep_ok);
2002  int t4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx,
2003  			   bool sleep_ok);
2004  int t4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2005  			    const u8 *addr, const u8 *mask, unsigned int vni,
2006  			    unsigned int vni_mask, u8 dip_hit, u8 lookup_type,
2007  			    bool sleep_ok);
2008  int t4_alloc_raw_mac_filt(struct adapter *adap, unsigned int viid,
2009  			  const u8 *addr, const u8 *mask, unsigned int idx,
2010  			  u8 lookup_type, u8 port_id, bool sleep_ok);
2011  int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox,
2012  		      unsigned int viid, bool free, unsigned int naddr,
2013  		      const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok);
2014  int t4_free_mac_filt(struct adapter *adap, unsigned int mbox,
2015  		     unsigned int viid, unsigned int naddr,
2016  		     const u8 **addr, bool sleep_ok);
2017  int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid,
2018  		  int idx, const u8 *addr, bool persist, u8 *smt_idx);
2019  int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid,
2020  		     bool ucast, u64 vec, bool sleep_ok);
2021  int t4_enable_vi_params(struct adapter *adap, unsigned int mbox,
2022  			unsigned int viid, bool rx_en, bool tx_en, bool dcb_en);
2023  int t4_enable_pi_params(struct adapter *adap, unsigned int mbox,
2024  			struct port_info *pi,
2025  			bool rx_en, bool tx_en, bool dcb_en);
2026  int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid,
2027  		 bool rx_en, bool tx_en);
2028  int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid,
2029  		     unsigned int nblinks);
2030  int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2031  	       unsigned int mmd, unsigned int reg, u16 *valp);
2032  int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr,
2033  	       unsigned int mmd, unsigned int reg, u16 val);
2034  int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf,
2035  	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
2036  	       unsigned int fl0id, unsigned int fl1id);
2037  int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2038  	       unsigned int vf, unsigned int iqtype, unsigned int iqid,
2039  	       unsigned int fl0id, unsigned int fl1id);
2040  int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2041  		   unsigned int vf, unsigned int eqid);
2042  int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2043  		    unsigned int vf, unsigned int eqid);
2044  int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf,
2045  		    unsigned int vf, unsigned int eqid);
2046  int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox, int ctxt_type);
2047  int t4_read_sge_dbqtimers(struct adapter *adap, unsigned int ndbqtimers,
2048  			  u16 *dbqtimers);
2049  void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl);
2050  int t4_update_port_info(struct port_info *pi);
2051  int t4_get_link_params(struct port_info *pi, unsigned int *link_okp,
2052  		       unsigned int *speedp, unsigned int *mtup);
2053  int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl);
2054  void t4_db_full(struct adapter *adapter);
2055  void t4_db_dropped(struct adapter *adapter);
2056  int t4_set_trace_filter(struct adapter *adapter, const struct trace_params *tp,
2057  			int filter_index, int enable);
2058  void t4_get_trace_filter(struct adapter *adapter, struct trace_params *tp,
2059  			 int filter_index, int *enabled);
2060  int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox,
2061  			 u32 addr, u32 val);
2062  void t4_read_pace_tbl(struct adapter *adap, unsigned int pace_vals[NTX_SCHED]);
2063  void t4_get_tx_sched(struct adapter *adap, unsigned int sched,
2064  		     unsigned int *kbps, unsigned int *ipg, bool sleep_ok);
2065  int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
2066  		   enum ctxt_type ctype, u32 *data);
2067  int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
2068  		      enum ctxt_type ctype, u32 *data);
2069  int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
2070  		    u8 rateunit, u8 ratemode, u8 channel, u8 class,
2071  		    u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
2072  		    u16 burstsize);
2073  void t4_sge_decode_idma_state(struct adapter *adapter, int state);
2074  void t4_idma_monitor_init(struct adapter *adapter,
2075  			  struct sge_idma_monitor_state *idma);
2076  void t4_idma_monitor(struct adapter *adapter,
2077  		     struct sge_idma_monitor_state *idma,
2078  		     int hz, int ticks);
2079  int t4_set_vf_mac_acl(struct adapter *adapter, unsigned int vf,
2080  		      unsigned int naddr, u8 *addr);
2081  void t4_tp_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2082  		    u32 start_index, bool sleep_ok);
2083  void t4_tp_tm_pio_read(struct adapter *adap, u32 *buff, u32 nregs,
2084  		       u32 start_index, bool sleep_ok);
2085  void t4_tp_mib_read(struct adapter *adap, u32 *buff, u32 nregs,
2086  		    u32 start_index, bool sleep_ok);
2087  
2088  void t4_uld_mem_free(struct adapter *adap);
2089  int t4_uld_mem_alloc(struct adapter *adap);
2090  void t4_uld_clean_up(struct adapter *adap);
2091  void t4_register_netevent_notifier(void);
2092  int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
2093  	      unsigned int devid, unsigned int offset,
2094  	      unsigned int len, u8 *buf);
2095  int t4_load_boot(struct adapter *adap, u8 *boot_data,
2096  		 unsigned int boot_addr, unsigned int size);
2097  int t4_load_bootcfg(struct adapter *adap,
2098  		    const u8 *cfg_data, unsigned int size);
2099  void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
2100  void free_tx_desc(struct adapter *adap, struct sge_txq *q,
2101  		  unsigned int n, bool unmap);
2102  void cxgb4_eosw_txq_free_desc(struct adapter *adap, struct sge_eosw_txq *txq,
2103  			      u32 ndesc);
2104  int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc);
2105  void cxgb4_ethofld_restart(struct tasklet_struct *t);
2106  int cxgb4_ethofld_rx_handler(struct sge_rspq *q, const __be64 *rsp,
2107  			     const struct pkt_gl *si);
2108  void free_txq(struct adapter *adap, struct sge_txq *q);
2109  void cxgb4_reclaim_completed_tx(struct adapter *adap,
2110  				struct sge_txq *q, bool unmap);
2111  int cxgb4_map_skb(struct device *dev, const struct sk_buff *skb,
2112  		  dma_addr_t *addr);
2113  void cxgb4_inline_tx_skb(const struct sk_buff *skb, const struct sge_txq *q,
2114  			 void *pos);
2115  void cxgb4_write_sgl(const struct sk_buff *skb, struct sge_txq *q,
2116  		     struct ulptx_sgl *sgl, u64 *end, unsigned int start,
2117  		     const dma_addr_t *addr);
2118  void cxgb4_write_partial_sgl(const struct sk_buff *skb, struct sge_txq *q,
2119  			     struct ulptx_sgl *sgl, u64 *end,
2120  			     const dma_addr_t *addr, u32 start, u32 send_len);
2121  void cxgb4_ring_tx_db(struct adapter *adap, struct sge_txq *q, int n);
2122  int t4_set_vlan_acl(struct adapter *adap, unsigned int mbox, unsigned int vf,
2123  		    u16 vlan);
2124  int cxgb4_dcb_enabled(const struct net_device *dev);
2125  
2126  int cxgb4_thermal_init(struct adapter *adap);
2127  int cxgb4_thermal_remove(struct adapter *adap);
2128  int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec,
2129  		       cpumask_var_t *aff_mask, int idx);
2130  void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask);
2131  
2132  int cxgb4_change_mac(struct port_info *pi, unsigned int viid,
2133  		     int *tcam_idx, const u8 *addr,
2134  		     bool persistent, u8 *smt_idx);
2135  
2136  int cxgb4_alloc_mac_filt(struct adapter *adap, unsigned int viid,
2137  			 bool free, unsigned int naddr,
2138  			 const u8 **addr, u16 *idx,
2139  			 u64 *hash, bool sleep_ok);
2140  int cxgb4_free_mac_filt(struct adapter *adap, unsigned int viid,
2141  			unsigned int naddr, const u8 **addr, bool sleep_ok);
2142  int cxgb4_init_mps_ref_entries(struct adapter *adap);
2143  void cxgb4_free_mps_ref_entries(struct adapter *adap);
2144  int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid,
2145  			       const u8 *addr, const u8 *mask,
2146  			       unsigned int vni, unsigned int vni_mask,
2147  			       u8 dip_hit, u8 lookup_type, bool sleep_ok);
2148  int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid,
2149  			      int idx, bool sleep_ok);
2150  int cxgb4_free_raw_mac_filt(struct adapter *adap,
2151  			    unsigned int viid,
2152  			    const u8 *addr,
2153  			    const u8 *mask,
2154  			    unsigned int idx,
2155  			    u8 lookup_type,
2156  			    u8 port_id,
2157  			    bool sleep_ok);
2158  int cxgb4_alloc_raw_mac_filt(struct adapter *adap,
2159  			     unsigned int viid,
2160  			     const u8 *addr,
2161  			     const u8 *mask,
2162  			     unsigned int idx,
2163  			     u8 lookup_type,
2164  			     u8 port_id,
2165  			     bool sleep_ok);
2166  int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid,
2167  			  int *tcam_idx, const u8 *addr,
2168  			  bool persistent, u8 *smt_idx);
2169  int cxgb4_get_msix_idx_from_bmap(struct adapter *adap);
2170  void cxgb4_free_msix_idx_in_bmap(struct adapter *adap, u32 msix_idx);
2171  void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
2172  void cxgb4_quiesce_rx(struct sge_rspq *q);
2173  int cxgb4_port_mirror_alloc(struct net_device *dev);
2174  void cxgb4_port_mirror_free(struct net_device *dev);
2175  #if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
2176  int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
2177  #endif
2178  #endif /* __CXGB4_H__ */
2179