1 /* Intel PRO/1000 Linux driver
2  * Copyright(c) 1999 - 2015 Intel Corporation.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * The full GNU General Public License is included in this distribution in
14  * the file called "COPYING".
15  *
16  * Contact Information:
17  * Linux NICS <linux.nics@intel.com>
18  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
19  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
20  */
21 
22 #ifndef _E1000_HW_H_
23 #define _E1000_HW_H_
24 
25 #include "regs.h"
26 #include "defines.h"
27 
28 struct e1000_hw;
29 
30 #define E1000_DEV_ID_82571EB_COPPER		0x105E
31 #define E1000_DEV_ID_82571EB_FIBER		0x105F
32 #define E1000_DEV_ID_82571EB_SERDES		0x1060
33 #define E1000_DEV_ID_82571EB_QUAD_COPPER	0x10A4
34 #define E1000_DEV_ID_82571PT_QUAD_COPPER	0x10D5
35 #define E1000_DEV_ID_82571EB_QUAD_FIBER		0x10A5
36 #define E1000_DEV_ID_82571EB_QUAD_COPPER_LP	0x10BC
37 #define E1000_DEV_ID_82571EB_SERDES_DUAL	0x10D9
38 #define E1000_DEV_ID_82571EB_SERDES_QUAD	0x10DA
39 #define E1000_DEV_ID_82572EI_COPPER		0x107D
40 #define E1000_DEV_ID_82572EI_FIBER		0x107E
41 #define E1000_DEV_ID_82572EI_SERDES		0x107F
42 #define E1000_DEV_ID_82572EI			0x10B9
43 #define E1000_DEV_ID_82573E			0x108B
44 #define E1000_DEV_ID_82573E_IAMT		0x108C
45 #define E1000_DEV_ID_82573L			0x109A
46 #define E1000_DEV_ID_82574L			0x10D3
47 #define E1000_DEV_ID_82574LA			0x10F6
48 #define E1000_DEV_ID_82583V			0x150C
49 #define E1000_DEV_ID_80003ES2LAN_COPPER_DPT	0x1096
50 #define E1000_DEV_ID_80003ES2LAN_SERDES_DPT	0x1098
51 #define E1000_DEV_ID_80003ES2LAN_COPPER_SPT	0x10BA
52 #define E1000_DEV_ID_80003ES2LAN_SERDES_SPT	0x10BB
53 #define E1000_DEV_ID_ICH8_82567V_3		0x1501
54 #define E1000_DEV_ID_ICH8_IGP_M_AMT		0x1049
55 #define E1000_DEV_ID_ICH8_IGP_AMT		0x104A
56 #define E1000_DEV_ID_ICH8_IGP_C			0x104B
57 #define E1000_DEV_ID_ICH8_IFE			0x104C
58 #define E1000_DEV_ID_ICH8_IFE_GT		0x10C4
59 #define E1000_DEV_ID_ICH8_IFE_G			0x10C5
60 #define E1000_DEV_ID_ICH8_IGP_M			0x104D
61 #define E1000_DEV_ID_ICH9_IGP_AMT		0x10BD
62 #define E1000_DEV_ID_ICH9_BM			0x10E5
63 #define E1000_DEV_ID_ICH9_IGP_M_AMT		0x10F5
64 #define E1000_DEV_ID_ICH9_IGP_M			0x10BF
65 #define E1000_DEV_ID_ICH9_IGP_M_V		0x10CB
66 #define E1000_DEV_ID_ICH9_IGP_C			0x294C
67 #define E1000_DEV_ID_ICH9_IFE			0x10C0
68 #define E1000_DEV_ID_ICH9_IFE_GT		0x10C3
69 #define E1000_DEV_ID_ICH9_IFE_G			0x10C2
70 #define E1000_DEV_ID_ICH10_R_BM_LM		0x10CC
71 #define E1000_DEV_ID_ICH10_R_BM_LF		0x10CD
72 #define E1000_DEV_ID_ICH10_R_BM_V		0x10CE
73 #define E1000_DEV_ID_ICH10_D_BM_LM		0x10DE
74 #define E1000_DEV_ID_ICH10_D_BM_LF		0x10DF
75 #define E1000_DEV_ID_ICH10_D_BM_V		0x1525
76 #define E1000_DEV_ID_PCH_M_HV_LM		0x10EA
77 #define E1000_DEV_ID_PCH_M_HV_LC		0x10EB
78 #define E1000_DEV_ID_PCH_D_HV_DM		0x10EF
79 #define E1000_DEV_ID_PCH_D_HV_DC		0x10F0
80 #define E1000_DEV_ID_PCH2_LV_LM			0x1502
81 #define E1000_DEV_ID_PCH2_LV_V			0x1503
82 #define E1000_DEV_ID_PCH_LPT_I217_LM		0x153A
83 #define E1000_DEV_ID_PCH_LPT_I217_V		0x153B
84 #define E1000_DEV_ID_PCH_LPTLP_I218_LM		0x155A
85 #define E1000_DEV_ID_PCH_LPTLP_I218_V		0x1559
86 #define E1000_DEV_ID_PCH_I218_LM2		0x15A0
87 #define E1000_DEV_ID_PCH_I218_V2		0x15A1
88 #define E1000_DEV_ID_PCH_I218_LM3		0x15A2	/* Wildcat Point PCH */
89 #define E1000_DEV_ID_PCH_I218_V3		0x15A3	/* Wildcat Point PCH */
90 #define E1000_DEV_ID_PCH_SPT_I219_LM		0x156F	/* SPT PCH */
91 #define E1000_DEV_ID_PCH_SPT_I219_V		0x1570	/* SPT PCH */
92 #define E1000_DEV_ID_PCH_SPT_I219_LM2		0x15B7	/* SPT-H PCH */
93 #define E1000_DEV_ID_PCH_SPT_I219_V2		0x15B8	/* SPT-H PCH */
94 
95 #define E1000_REVISION_4	4
96 
97 #define E1000_FUNC_1		1
98 
99 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0	0
100 #define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1	3
101 
102 enum e1000_mac_type {
103 	e1000_82571,
104 	e1000_82572,
105 	e1000_82573,
106 	e1000_82574,
107 	e1000_82583,
108 	e1000_80003es2lan,
109 	e1000_ich8lan,
110 	e1000_ich9lan,
111 	e1000_ich10lan,
112 	e1000_pchlan,
113 	e1000_pch2lan,
114 	e1000_pch_lpt,
115 	e1000_pch_spt,
116 };
117 
118 enum e1000_media_type {
119 	e1000_media_type_unknown = 0,
120 	e1000_media_type_copper = 1,
121 	e1000_media_type_fiber = 2,
122 	e1000_media_type_internal_serdes = 3,
123 	e1000_num_media_types
124 };
125 
126 enum e1000_nvm_type {
127 	e1000_nvm_unknown = 0,
128 	e1000_nvm_none,
129 	e1000_nvm_eeprom_spi,
130 	e1000_nvm_flash_hw,
131 	e1000_nvm_flash_sw
132 };
133 
134 enum e1000_nvm_override {
135 	e1000_nvm_override_none = 0,
136 	e1000_nvm_override_spi_small,
137 	e1000_nvm_override_spi_large
138 };
139 
140 enum e1000_phy_type {
141 	e1000_phy_unknown = 0,
142 	e1000_phy_none,
143 	e1000_phy_m88,
144 	e1000_phy_igp,
145 	e1000_phy_igp_2,
146 	e1000_phy_gg82563,
147 	e1000_phy_igp_3,
148 	e1000_phy_ife,
149 	e1000_phy_bm,
150 	e1000_phy_82578,
151 	e1000_phy_82577,
152 	e1000_phy_82579,
153 	e1000_phy_i217,
154 };
155 
156 enum e1000_bus_width {
157 	e1000_bus_width_unknown = 0,
158 	e1000_bus_width_pcie_x1,
159 	e1000_bus_width_pcie_x2,
160 	e1000_bus_width_pcie_x4 = 4,
161 	e1000_bus_width_pcie_x8 = 8,
162 	e1000_bus_width_32,
163 	e1000_bus_width_64,
164 	e1000_bus_width_reserved
165 };
166 
167 enum e1000_1000t_rx_status {
168 	e1000_1000t_rx_status_not_ok = 0,
169 	e1000_1000t_rx_status_ok,
170 	e1000_1000t_rx_status_undefined = 0xFF
171 };
172 
173 enum e1000_rev_polarity {
174 	e1000_rev_polarity_normal = 0,
175 	e1000_rev_polarity_reversed,
176 	e1000_rev_polarity_undefined = 0xFF
177 };
178 
179 enum e1000_fc_mode {
180 	e1000_fc_none = 0,
181 	e1000_fc_rx_pause,
182 	e1000_fc_tx_pause,
183 	e1000_fc_full,
184 	e1000_fc_default = 0xFF
185 };
186 
187 enum e1000_ms_type {
188 	e1000_ms_hw_default = 0,
189 	e1000_ms_force_master,
190 	e1000_ms_force_slave,
191 	e1000_ms_auto
192 };
193 
194 enum e1000_smart_speed {
195 	e1000_smart_speed_default = 0,
196 	e1000_smart_speed_on,
197 	e1000_smart_speed_off
198 };
199 
200 enum e1000_serdes_link_state {
201 	e1000_serdes_link_down = 0,
202 	e1000_serdes_link_autoneg_progress,
203 	e1000_serdes_link_autoneg_complete,
204 	e1000_serdes_link_forced_up
205 };
206 
207 /* Receive Descriptor - Extended */
208 union e1000_rx_desc_extended {
209 	struct {
210 		__le64 buffer_addr;
211 		__le64 reserved;
212 	} read;
213 	struct {
214 		struct {
215 			__le32 mrq;	      /* Multiple Rx Queues */
216 			union {
217 				__le32 rss;	    /* RSS Hash */
218 				struct {
219 					__le16 ip_id;  /* IP id */
220 					__le16 csum;   /* Packet Checksum */
221 				} csum_ip;
222 			} hi_dword;
223 		} lower;
224 		struct {
225 			__le32 status_error;     /* ext status/error */
226 			__le16 length;
227 			__le16 vlan;	     /* VLAN tag */
228 		} upper;
229 	} wb;  /* writeback */
230 };
231 
232 #define MAX_PS_BUFFERS 4
233 
234 /* Number of packet split data buffers (not including the header buffer) */
235 #define PS_PAGE_BUFFERS	(MAX_PS_BUFFERS - 1)
236 
237 /* Receive Descriptor - Packet Split */
238 union e1000_rx_desc_packet_split {
239 	struct {
240 		/* one buffer for protocol header(s), three data buffers */
241 		__le64 buffer_addr[MAX_PS_BUFFERS];
242 	} read;
243 	struct {
244 		struct {
245 			__le32 mrq;	      /* Multiple Rx Queues */
246 			union {
247 				__le32 rss;	      /* RSS Hash */
248 				struct {
249 					__le16 ip_id;    /* IP id */
250 					__le16 csum;     /* Packet Checksum */
251 				} csum_ip;
252 			} hi_dword;
253 		} lower;
254 		struct {
255 			__le32 status_error;     /* ext status/error */
256 			__le16 length0;	  /* length of buffer 0 */
257 			__le16 vlan;	     /* VLAN tag */
258 		} middle;
259 		struct {
260 			__le16 header_status;
261 			/* length of buffers 1-3 */
262 			__le16 length[PS_PAGE_BUFFERS];
263 		} upper;
264 		__le64 reserved;
265 	} wb; /* writeback */
266 };
267 
268 /* Transmit Descriptor */
269 struct e1000_tx_desc {
270 	__le64 buffer_addr;      /* Address of the descriptor's data buffer */
271 	union {
272 		__le32 data;
273 		struct {
274 			__le16 length;    /* Data buffer length */
275 			u8 cso;	/* Checksum offset */
276 			u8 cmd;	/* Descriptor control */
277 		} flags;
278 	} lower;
279 	union {
280 		__le32 data;
281 		struct {
282 			u8 status;     /* Descriptor status */
283 			u8 css;	/* Checksum start */
284 			__le16 special;
285 		} fields;
286 	} upper;
287 };
288 
289 /* Offload Context Descriptor */
290 struct e1000_context_desc {
291 	union {
292 		__le32 ip_config;
293 		struct {
294 			u8 ipcss;      /* IP checksum start */
295 			u8 ipcso;      /* IP checksum offset */
296 			__le16 ipcse;     /* IP checksum end */
297 		} ip_fields;
298 	} lower_setup;
299 	union {
300 		__le32 tcp_config;
301 		struct {
302 			u8 tucss;      /* TCP checksum start */
303 			u8 tucso;      /* TCP checksum offset */
304 			__le16 tucse;     /* TCP checksum end */
305 		} tcp_fields;
306 	} upper_setup;
307 	__le32 cmd_and_length;
308 	union {
309 		__le32 data;
310 		struct {
311 			u8 status;     /* Descriptor status */
312 			u8 hdr_len;    /* Header length */
313 			__le16 mss;       /* Maximum segment size */
314 		} fields;
315 	} tcp_seg_setup;
316 };
317 
318 /* Offload data descriptor */
319 struct e1000_data_desc {
320 	__le64 buffer_addr;   /* Address of the descriptor's buffer address */
321 	union {
322 		__le32 data;
323 		struct {
324 			__le16 length;    /* Data buffer length */
325 			u8 typ_len_ext;
326 			u8 cmd;
327 		} flags;
328 	} lower;
329 	union {
330 		__le32 data;
331 		struct {
332 			u8 status;     /* Descriptor status */
333 			u8 popts;      /* Packet Options */
334 			__le16 special;
335 		} fields;
336 	} upper;
337 };
338 
339 /* Statistics counters collected by the MAC */
340 struct e1000_hw_stats {
341 	u64 crcerrs;
342 	u64 algnerrc;
343 	u64 symerrs;
344 	u64 rxerrc;
345 	u64 mpc;
346 	u64 scc;
347 	u64 ecol;
348 	u64 mcc;
349 	u64 latecol;
350 	u64 colc;
351 	u64 dc;
352 	u64 tncrs;
353 	u64 sec;
354 	u64 cexterr;
355 	u64 rlec;
356 	u64 xonrxc;
357 	u64 xontxc;
358 	u64 xoffrxc;
359 	u64 xofftxc;
360 	u64 fcruc;
361 	u64 prc64;
362 	u64 prc127;
363 	u64 prc255;
364 	u64 prc511;
365 	u64 prc1023;
366 	u64 prc1522;
367 	u64 gprc;
368 	u64 bprc;
369 	u64 mprc;
370 	u64 gptc;
371 	u64 gorc;
372 	u64 gotc;
373 	u64 rnbc;
374 	u64 ruc;
375 	u64 rfc;
376 	u64 roc;
377 	u64 rjc;
378 	u64 mgprc;
379 	u64 mgpdc;
380 	u64 mgptc;
381 	u64 tor;
382 	u64 tot;
383 	u64 tpr;
384 	u64 tpt;
385 	u64 ptc64;
386 	u64 ptc127;
387 	u64 ptc255;
388 	u64 ptc511;
389 	u64 ptc1023;
390 	u64 ptc1522;
391 	u64 mptc;
392 	u64 bptc;
393 	u64 tsctc;
394 	u64 tsctfc;
395 	u64 iac;
396 	u64 icrxptc;
397 	u64 icrxatc;
398 	u64 ictxptc;
399 	u64 ictxatc;
400 	u64 ictxqec;
401 	u64 ictxqmtc;
402 	u64 icrxdmtc;
403 	u64 icrxoc;
404 };
405 
406 struct e1000_phy_stats {
407 	u32 idle_errors;
408 	u32 receive_errors;
409 };
410 
411 struct e1000_host_mng_dhcp_cookie {
412 	u32 signature;
413 	u8 status;
414 	u8 reserved0;
415 	u16 vlan_id;
416 	u32 reserved1;
417 	u16 reserved2;
418 	u8 reserved3;
419 	u8 checksum;
420 };
421 
422 /* Host Interface "Rev 1" */
423 struct e1000_host_command_header {
424 	u8 command_id;
425 	u8 command_length;
426 	u8 command_options;
427 	u8 checksum;
428 };
429 
430 #define E1000_HI_MAX_DATA_LENGTH	252
431 struct e1000_host_command_info {
432 	struct e1000_host_command_header command_header;
433 	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
434 };
435 
436 /* Host Interface "Rev 2" */
437 struct e1000_host_mng_command_header {
438 	u8 command_id;
439 	u8 checksum;
440 	u16 reserved1;
441 	u16 reserved2;
442 	u16 command_length;
443 };
444 
445 #define E1000_HI_MAX_MNG_DATA_LENGTH	0x6F8
446 struct e1000_host_mng_command_info {
447 	struct e1000_host_mng_command_header command_header;
448 	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
449 };
450 
451 #include "mac.h"
452 #include "phy.h"
453 #include "nvm.h"
454 #include "manage.h"
455 
456 /* Function pointers for the MAC. */
457 struct e1000_mac_operations {
458 	s32  (*id_led_init)(struct e1000_hw *);
459 	s32  (*blink_led)(struct e1000_hw *);
460 	bool (*check_mng_mode)(struct e1000_hw *);
461 	s32  (*check_for_link)(struct e1000_hw *);
462 	s32  (*cleanup_led)(struct e1000_hw *);
463 	void (*clear_hw_cntrs)(struct e1000_hw *);
464 	void (*clear_vfta)(struct e1000_hw *);
465 	s32  (*get_bus_info)(struct e1000_hw *);
466 	void (*set_lan_id)(struct e1000_hw *);
467 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
468 	s32  (*led_on)(struct e1000_hw *);
469 	s32  (*led_off)(struct e1000_hw *);
470 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
471 	s32  (*reset_hw)(struct e1000_hw *);
472 	s32  (*init_hw)(struct e1000_hw *);
473 	s32  (*setup_link)(struct e1000_hw *);
474 	s32  (*setup_physical_interface)(struct e1000_hw *);
475 	s32  (*setup_led)(struct e1000_hw *);
476 	void (*write_vfta)(struct e1000_hw *, u32, u32);
477 	void (*config_collision_dist)(struct e1000_hw *);
478 	int  (*rar_set)(struct e1000_hw *, u8 *, u32);
479 	s32  (*read_mac_addr)(struct e1000_hw *);
480 	u32  (*rar_get_count)(struct e1000_hw *);
481 };
482 
483 /* When to use various PHY register access functions:
484  *
485  *                 Func   Caller
486  *   Function      Does   Does    When to use
487  *   ~~~~~~~~~~~~  ~~~~~  ~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
488  *   X_reg         L,P,A  n/a     for simple PHY reg accesses
489  *   X_reg_locked  P,A    L       for multiple accesses of different regs
490  *                                on different pages
491  *   X_reg_page    A      L,P     for multiple accesses of different regs
492  *                                on the same page
493  *
494  * Where X=[read|write], L=locking, P=sets page, A=register access
495  *
496  */
497 struct e1000_phy_operations {
498 	s32  (*acquire)(struct e1000_hw *);
499 	s32  (*cfg_on_link_up)(struct e1000_hw *);
500 	s32  (*check_polarity)(struct e1000_hw *);
501 	s32  (*check_reset_block)(struct e1000_hw *);
502 	s32  (*commit)(struct e1000_hw *);
503 	s32  (*force_speed_duplex)(struct e1000_hw *);
504 	s32  (*get_cfg_done)(struct e1000_hw *hw);
505 	s32  (*get_cable_length)(struct e1000_hw *);
506 	s32  (*get_info)(struct e1000_hw *);
507 	s32  (*set_page)(struct e1000_hw *, u16);
508 	s32  (*read_reg)(struct e1000_hw *, u32, u16 *);
509 	s32  (*read_reg_locked)(struct e1000_hw *, u32, u16 *);
510 	s32  (*read_reg_page)(struct e1000_hw *, u32, u16 *);
511 	void (*release)(struct e1000_hw *);
512 	s32  (*reset)(struct e1000_hw *);
513 	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
514 	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
515 	s32  (*write_reg)(struct e1000_hw *, u32, u16);
516 	s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
517 	s32  (*write_reg_page)(struct e1000_hw *, u32, u16);
518 	void (*power_up)(struct e1000_hw *);
519 	void (*power_down)(struct e1000_hw *);
520 };
521 
522 /* Function pointers for the NVM. */
523 struct e1000_nvm_operations {
524 	s32  (*acquire)(struct e1000_hw *);
525 	s32  (*read)(struct e1000_hw *, u16, u16, u16 *);
526 	void (*release)(struct e1000_hw *);
527 	void (*reload)(struct e1000_hw *);
528 	s32  (*update)(struct e1000_hw *);
529 	s32  (*valid_led_default)(struct e1000_hw *, u16 *);
530 	s32  (*validate)(struct e1000_hw *);
531 	s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
532 };
533 
534 struct e1000_mac_info {
535 	struct e1000_mac_operations ops;
536 	u8 addr[ETH_ALEN];
537 	u8 perm_addr[ETH_ALEN];
538 
539 	enum e1000_mac_type type;
540 
541 	u32 collision_delta;
542 	u32 ledctl_default;
543 	u32 ledctl_mode1;
544 	u32 ledctl_mode2;
545 	u32 mc_filter_type;
546 	u32 tx_packet_delta;
547 	u32 txcw;
548 
549 	u16 current_ifs_val;
550 	u16 ifs_max_val;
551 	u16 ifs_min_val;
552 	u16 ifs_ratio;
553 	u16 ifs_step_size;
554 	u16 mta_reg_count;
555 
556 	/* Maximum size of the MTA register table in all supported adapters */
557 #define MAX_MTA_REG 128
558 	u32 mta_shadow[MAX_MTA_REG];
559 	u16 rar_entry_count;
560 
561 	u8 forced_speed_duplex;
562 
563 	bool adaptive_ifs;
564 	bool has_fwsm;
565 	bool arc_subsystem_valid;
566 	bool autoneg;
567 	bool autoneg_failed;
568 	bool get_link_status;
569 	bool in_ifs_mode;
570 	bool serdes_has_link;
571 	bool tx_pkt_filtering;
572 	enum e1000_serdes_link_state serdes_link_state;
573 };
574 
575 struct e1000_phy_info {
576 	struct e1000_phy_operations ops;
577 
578 	enum e1000_phy_type type;
579 
580 	enum e1000_1000t_rx_status local_rx;
581 	enum e1000_1000t_rx_status remote_rx;
582 	enum e1000_ms_type ms_type;
583 	enum e1000_ms_type original_ms_type;
584 	enum e1000_rev_polarity cable_polarity;
585 	enum e1000_smart_speed smart_speed;
586 
587 	u32 addr;
588 	u32 id;
589 	u32 reset_delay_us;	/* in usec */
590 	u32 revision;
591 
592 	enum e1000_media_type media_type;
593 
594 	u16 autoneg_advertised;
595 	u16 autoneg_mask;
596 	u16 cable_length;
597 	u16 max_cable_length;
598 	u16 min_cable_length;
599 
600 	u8 mdix;
601 
602 	bool disable_polarity_correction;
603 	bool is_mdix;
604 	bool polarity_correction;
605 	bool speed_downgraded;
606 	bool autoneg_wait_to_complete;
607 };
608 
609 struct e1000_nvm_info {
610 	struct e1000_nvm_operations ops;
611 
612 	enum e1000_nvm_type type;
613 	enum e1000_nvm_override override;
614 
615 	u32 flash_bank_size;
616 	u32 flash_base_addr;
617 
618 	u16 word_size;
619 	u16 delay_usec;
620 	u16 address_bits;
621 	u16 opcode_bits;
622 	u16 page_size;
623 };
624 
625 struct e1000_bus_info {
626 	enum e1000_bus_width width;
627 
628 	u16 func;
629 };
630 
631 struct e1000_fc_info {
632 	u32 high_water;          /* Flow control high-water mark */
633 	u32 low_water;           /* Flow control low-water mark */
634 	u16 pause_time;          /* Flow control pause timer */
635 	u16 refresh_time;        /* Flow control refresh timer */
636 	bool send_xon;           /* Flow control send XON */
637 	bool strict_ieee;        /* Strict IEEE mode */
638 	enum e1000_fc_mode current_mode; /* FC mode in effect */
639 	enum e1000_fc_mode requested_mode; /* FC mode requested by caller */
640 };
641 
642 struct e1000_dev_spec_82571 {
643 	bool laa_is_present;
644 	u32 smb_counter;
645 };
646 
647 struct e1000_dev_spec_80003es2lan {
648 	bool mdic_wa_enable;
649 };
650 
651 struct e1000_shadow_ram {
652 	u16 value;
653 	bool modified;
654 };
655 
656 #define E1000_ICH8_SHADOW_RAM_WORDS		2048
657 
658 /* I218 PHY Ultra Low Power (ULP) states */
659 enum e1000_ulp_state {
660 	e1000_ulp_state_unknown,
661 	e1000_ulp_state_off,
662 	e1000_ulp_state_on,
663 };
664 
665 struct e1000_dev_spec_ich8lan {
666 	bool kmrn_lock_loss_workaround_enabled;
667 	struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS];
668 	bool nvm_k1_enabled;
669 	bool eee_disable;
670 	u16 eee_lp_ability;
671 	enum e1000_ulp_state ulp_state;
672 };
673 
674 struct e1000_hw {
675 	struct e1000_adapter *adapter;
676 
677 	void __iomem *hw_addr;
678 	void __iomem *flash_address;
679 
680 	struct e1000_mac_info mac;
681 	struct e1000_fc_info fc;
682 	struct e1000_phy_info phy;
683 	struct e1000_nvm_info nvm;
684 	struct e1000_bus_info bus;
685 	struct e1000_host_mng_dhcp_cookie mng_cookie;
686 
687 	union {
688 		struct e1000_dev_spec_82571 e82571;
689 		struct e1000_dev_spec_80003es2lan e80003es2lan;
690 		struct e1000_dev_spec_ich8lan ich8lan;
691 	} dev_spec;
692 };
693 
694 #include "82571.h"
695 #include "80003es2lan.h"
696 #include "ich8lan.h"
697 
698 #endif
699