xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 /******************************************************************************
2 
3   Copyright (c) 2013-2018, Intel Corporation
4   All rights reserved.
5 
6   Redistribution and use in source and binary forms, with or without
7   modification, are permitted provided that the following conditions are met:
8 
9    1. Redistributions of source code must retain the above copyright notice,
10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in the
14       documentation and/or other materials provided with the distribution.
15 
16    3. Neither the name of the Intel Corporation nor the names of its
17       contributors may be used to endorse or promote products derived from
18       this software without specific prior written permission.
19 
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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31 
32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 
36 #ifndef _IXL_PF_H_
37 #define _IXL_PF_H_
38 
39 #include "i40e_dcb.h"
40 
41 #include "ixl.h"
42 #include "ixl_pf_qmgr.h"
43 
44 #define	VF_FLAG_ENABLED			0x01
45 #define	VF_FLAG_SET_MAC_CAP		0x02
46 #define	VF_FLAG_VLAN_CAP		0x04
47 #define	VF_FLAG_PROMISC_CAP		0x08
48 #define	VF_FLAG_MAC_ANTI_SPOOF		0x10
49 
50 #define IXL_ICR0_CRIT_ERR_MASK 			\
51     (I40E_PFINT_ICR0_PCI_EXCEPTION_MASK | 	\
52      I40E_PFINT_ICR0_ECC_ERR_MASK | 		\
53      I40E_PFINT_ICR0_PE_CRITERR_MASK)
54 
55 /* VF Interrupts */
56 #define IXL_VPINT_LNKLSTN_REG(hw, vector, vf_num) \
57 	I40E_VPINT_LNKLSTN(((vector) - 1) + \
58 	    (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num)))
59 
60 #define IXL_VFINT_DYN_CTLN_REG(hw, vector, vf_num) \
61 	I40E_VFINT_DYN_CTLN(((vector) - 1) + \
62 	    (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num)))
63 
64 enum ixl_fw_mode {
65 	IXL_FW_MODE_NORMAL,
66 	IXL_FW_MODE_RECOVERY,
67 	IXL_FW_MODE_UEMPR
68 };
69 
70 enum ixl_i2c_access_method_t {
71 	IXL_I2C_ACCESS_METHOD_BEST_AVAILABLE = 0,
72 	IXL_I2C_ACCESS_METHOD_BIT_BANG_I2CPARAMS = 1,
73 	IXL_I2C_ACCESS_METHOD_REGISTER_I2CCMD = 2,
74 	IXL_I2C_ACCESS_METHOD_AQ = 3,
75 	IXL_I2C_ACCESS_METHOD_TYPE_LENGTH = 4
76 };
77 
78 /* Used in struct ixl_pf's state field */
79 enum ixl_state {
80 	IXL_STATE_RECOVERY_MODE	= 0,
81 	IXL_STATE_RESETTING		= 1,
82 	IXL_STATE_MDD_PENDING	= 2,
83 	IXL_STATE_PF_RESET_REQ	= 3,
84 	IXL_STATE_VF_RESET_REQ	= 4,
85 	IXL_STATE_PF_CRIT_ERR	= 5,
86 	IXL_STATE_CORE_RESET_REQ	= 6,
87 	IXL_STATE_GLOB_RESET_REQ	= 7,
88 	IXL_STATE_EMP_RESET_REQ	= 8,
89 	IXL_STATE_FW_LLDP_DISABLED	= 9,
90 	IXL_STATE_EEE_ENABLED	= 10,
91 	IXL_STATE_LINK_ACTIVE_ON_DOWN = 11,
92 	IXL_STATE_LINK_POLLING = 12,
93 };
94 
95 #define IXL_PF_IN_RECOVERY_MODE(pf)	\
96 	ixl_test_state(&pf->state, IXL_STATE_RECOVERY_MODE)
97 
98 #define IXL_PF_IS_RESETTING(pf)	\
99 	ixl_test_state(&pf->state, IXL_STATE_RESETTING)
100 
101 struct ixl_vf {
102 	struct ixl_vsi		vsi;
103 	u32			vf_flags;
104 	u32			num_mdd_events;
105 
106 	u8			mac[ETHER_ADDR_LEN];
107 	u16			vf_num;
108 	struct virtchnl_version_info version;
109 
110 	struct ixl_pf_qtag	qtag;
111 };
112 
113 /* Physical controller structure */
114 struct ixl_pf {
115 	struct ixl_vsi		vsi;
116 
117 	struct i40e_hw		hw;
118 	struct i40e_osdep	osdep;
119 	device_t		dev;
120 
121 	struct resource		*pci_mem;
122 
123 #ifdef IXL_IW
124 	int			iw_msix;
125 	bool			iw_enabled;
126 #endif
127 	u32			state;
128 	u8			supported_speeds;
129 
130 	struct ixl_pf_qmgr	qmgr;
131 	struct ixl_pf_qtag	qtag;
132 
133 	char admin_mtx_name[16]; /* name of the admin mutex */
134 	struct mtx admin_mtx; /* mutex to protect the admin timer */
135 	struct callout admin_timer; /* timer to trigger admin task */
136 
137 	/* Tunable values */
138 #ifdef IXL_DEBUG_FC
139 	bool			enable_tx_fc_filter;
140 #endif
141 #ifdef IXL_DEBUG
142 	bool			recovery_mode;
143 #endif
144 	int			dynamic_rx_itr;
145 	int			dynamic_tx_itr;
146 	int			tx_itr;
147 	int			rx_itr;
148 	int			enable_vf_loopback;
149 
150 	bool			link_up;
151 	int			advertised_speed;
152 	int			fc; /* link flow ctrl setting */
153 	enum ixl_dbg_mask	dbg_mask;
154 	bool			has_i2c;
155 
156 	/* Misc stats maintained by the driver */
157 	u64			admin_irq;
158 
159 	/* Statistics from hw */
160 	struct i40e_hw_port_stats 	stats;
161 	struct i40e_hw_port_stats	stats_offsets;
162 	bool 				stat_offsets_loaded;
163 
164 	/* I2C access methods */
165 	enum ixl_i2c_access_method_t i2c_access_method;
166 	s32 (*read_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
167 	    u8 dev_addr, u8 *data);
168 	s32 (*write_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
169 	    u8 dev_addr, u8 data);
170 
171 	/* SR-IOV */
172 	struct ixl_vf		*vfs;
173 	int			num_vfs;
174 	uint16_t		veb_seid;
175 	int			vc_debug_lvl;
176 
177 	sbintime_t		link_poll_start;
178 };
179 
180 /*
181  * Defines used for NVM update ioctls.
182  * This value is used in the Solaris tool, too.
183  */
184 #define I40E_NVM_ACCESS \
185      (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
186 
187 #define IXL_DEFAULT_PHY_INT_MASK \
188      ((~(I40E_AQ_EVENT_LINK_UPDOWN | I40E_AQ_EVENT_MODULE_QUAL_FAIL \
189       | I40E_AQ_EVENT_MEDIA_NA)) & 0x3FF)
190 
191 /*** Sysctl help messages; displayed with "sysctl -d" ***/
192 
193 #define IXL_SYSCTL_HELP_SET_ADVERTISE	\
194 "\nControl advertised link speed.\n"	\
195 "Flags:\n"				\
196 "\t 0x1 - advertise 100M\n"		\
197 "\t 0x2 - advertise 1G\n"		\
198 "\t 0x4 - advertise 10G\n"		\
199 "\t 0x8 - advertise 20G\n"		\
200 "\t0x10 - advertise 25G\n"		\
201 "\t0x20 - advertise 40G\n"		\
202 "\t0x40 - advertise 2.5G\n"		\
203 "\t0x80 - advertise 5G\n\n"		\
204 "Set to 0 to disable link.\n"		\
205 "Use \"sysctl -x\" to view flags properly."
206 
207 #define IXL_SYSCTL_HELP_SUPPORTED_SPEED	\
208 "\nSupported link speeds.\n"		\
209 "Flags:\n"				\
210 "\t 0x1 - 100M\n"			\
211 "\t 0x2 - 1G\n"				\
212 "\t 0x4 - 10G\n"			\
213 "\t 0x8 - 20G\n"			\
214 "\t0x10 - 25G\n"			\
215 "\t0x20 - 40G\n"			\
216 "\t0x40 - 2.5G\n"			\
217 "\t0x80 - 5G\n\n"			\
218 "Use \"sysctl -x\" to view flags properly."
219 
220 #define IXL_SYSCTL_HELP_FC				\
221 "\nSet flow control mode using the values below.\n" 	\
222 "\t0 - off\n" 						\
223 "\t1 - rx pause\n" 					\
224 "\t2 - tx pause\n"					\
225 "\t3 - tx and rx pause"
226 
227 #define IXL_SYSCTL_HELP_LINK_STATUS					\
228 "\nExecutes a \"Get Link Status\" command on the Admin Queue, and displays" \
229 " the response."
230 
231 #define IXL_SYSCTL_HELP_FW_LLDP		\
232 "\nFW LLDP engine:\n"			\
233 "\t0 - disable\n"			\
234 "\t1 - enable\n"
235 
236 #define IXL_SYSCTL_HELP_SET_LINK_ACTIVE			\
237 "\nKeep link active after setting interface down:\n"	\
238 "\t0 - disable\n"					\
239 "\t1 - enable\n"
240 
241 #define IXL_SYSCTL_HELP_READ_I2C		\
242 "\nRead a byte from I2C bus\n"			\
243 "Input: 32-bit value\n"				\
244 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
245 "\tbits 8-15:  offset (0-255)\n"		\
246 "\tbits 16-31: unused\n"			\
247 "Output: 8-bit value read"
248 
249 #define IXL_SYSCTL_HELP_WRITE_I2C		\
250 "\nWrite a byte to the I2C bus\n"		\
251 "Input: 32-bit value\n"				\
252 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
253 "\tbits 8-15:  offset (0-255)\n"		\
254 "\tbits 16-23: value to write\n"		\
255 "\tbits 24-31: unused\n"			\
256 "Output: 8-bit value written"
257 
258 #define IXL_SYSCTL_HELP_I2C_METHOD		\
259 "\nI2C access method that driver will use:\n"	\
260 "\t0 - best available method\n"			\
261 "\t1 - bit bang via I2CPARAMS register\n"	\
262 "\t2 - register read/write via I2CCMD register\n" \
263 "\t3 - Use Admin Queue command (best)\n"	\
264 "Using the Admin Queue is only supported on 710 devices with FW version 1.7 or higher"
265 
266 #define IXL_SYSCTL_HELP_VF_LOOPBACK		\
267 "\nDetermines mode that embedded device switch will use when SR-IOV is initialized:\n"	\
268 "\t0 - Disable (VEPA)\n"			\
269 "\t1 - Enable (VEB)\n"				\
270 "Enabling this will allow VFs in separate VMs to communicate over the hardware bridge."
271 
272 /*** Functions / Macros ***/
273 /* Adjust the level here to 10 or over to print stats messages */
274 #define	I40E_VC_DEBUG(p, level, ...)				\
275 	do {							\
276 		if (level < 10)					\
277 			ixl_dbg(p, IXL_DBG_IOV_VC, ##__VA_ARGS__); \
278 	} while (0)
279 
280 #define	i40e_send_vf_nack(pf, vf, op, st) \
281 	ixl_send_vf_nack_msg((pf), (vf), (op), (st), __FILE__, __LINE__)
282 
283 /* Debug printing */
284 #define ixl_dbg(pf, m, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, m, s, ##__VA_ARGS__)
285 #define ixl_dbg_info(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_INFO, s, ##__VA_ARGS__)
286 #define ixl_dbg_filter(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_FILTER, s, ##__VA_ARGS__)
287 #define ixl_dbg_iov(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_IOV, s, ##__VA_ARGS__)
288 #define ixl_dbg_link(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_LINK, s, ##__VA_ARGS__)
289 
290 /* PF-only function declarations */
291 void	ixl_set_state(volatile u32 *s, enum ixl_state bit);
292 void	ixl_clear_state(volatile u32 *s, enum ixl_state bit);
293 bool	ixl_test_state(volatile u32 *s, enum ixl_state bit);
294 u32	ixl_testandset_state(volatile u32 *s, enum ixl_state bit);
295 int	ixl_setup_interface(device_t, struct ixl_pf *);
296 void	ixl_print_nvm_cmd(device_t, struct i40e_nvm_access *);
297 
298 void	ixl_handle_que(void *context, int pending);
299 
300 void	ixl_init(void *);
301 void	ixl_register_vlan(void *, if_t, u16);
302 void	ixl_unregister_vlan(void *, if_t, u16);
303 int	ixl_intr(void *);
304 int	ixl_msix_que(void *);
305 int	ixl_msix_adminq(void *);
306 void	ixl_do_adminq(void *, int);
307 
308 int	ixl_res_alloc_cmp(const void *, const void *);
309 const char *	ixl_switch_res_type_string(u8);
310 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
311 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
312 
313 void    ixl_media_status(if_t, struct ifmediareq *);
314 int     ixl_media_change(if_t);
315 int     ixl_ioctl(if_t, u_long, caddr_t);
316 
317 void	ixl_enable_queue(struct i40e_hw *, int);
318 void	ixl_disable_queue(struct i40e_hw *, int);
319 void	ixl_enable_intr0(struct i40e_hw *);
320 void	ixl_disable_intr0(struct i40e_hw *);
321 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
322 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
323 		    u64 *, u64 *);
324 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
325 		    u64 *, u64 *);
326 
327 void	ixl_stop(struct ixl_pf *);
328 void	ixl_vsi_add_sysctls(struct ixl_vsi *, const char *, bool);
329 int	ixl_get_hw_capabilities(struct ixl_pf *);
330 void	ixl_link_up_msg(struct ixl_pf *);
331 void    ixl_update_link_status(struct ixl_pf *);
332 int	ixl_setup_stations(struct ixl_pf *);
333 int	ixl_switch_config(struct ixl_pf *);
334 void	ixl_stop_locked(struct ixl_pf *);
335 int	ixl_teardown_hw_structs(struct ixl_pf *);
336 void	ixl_init_locked(struct ixl_pf *);
337 void	ixl_set_rss_key(struct ixl_pf *);
338 void	ixl_set_rss_pctypes(struct ixl_pf *);
339 void	ixl_set_rss_hlut(struct ixl_pf *);
340 int	ixl_setup_adminq_msix(struct ixl_pf *);
341 int	ixl_setup_adminq_tq(struct ixl_pf *);
342 void	ixl_teardown_adminq_msix(struct ixl_pf *);
343 void	ixl_configure_intr0_msix(struct ixl_pf *);
344 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
345 void	ixl_free_adminq_tq(struct ixl_pf *);
346 int	ixl_setup_legacy(struct ixl_pf *);
347 int	ixl_init_msix(struct ixl_pf *);
348 void	ixl_configure_tx_itr(struct ixl_pf *);
349 void	ixl_configure_rx_itr(struct ixl_pf *);
350 void	ixl_configure_itr(struct ixl_pf *);
351 void	ixl_configure_legacy(struct ixl_pf *);
352 void	ixl_free_pci_resources(struct ixl_pf *);
353 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
354 void	ixl_config_rss(struct ixl_pf *);
355 int	ixl_set_advertised_speeds(struct ixl_pf *, int, bool);
356 void	ixl_set_initial_advertised_speeds(struct ixl_pf *);
357 void	ixl_print_nvm_version(struct ixl_pf *pf);
358 void	ixl_add_sysctls_recovery_mode(struct ixl_pf *);
359 void	ixl_add_device_sysctls(struct ixl_pf *);
360 void	ixl_handle_mdd_event(struct ixl_pf *);
361 void	ixl_add_hw_stats(struct ixl_pf *);
362 void	ixl_update_stats_counters(struct ixl_pf *);
363 void	ixl_pf_reset_stats(struct ixl_pf *);
364 void	ixl_get_bus_info(struct ixl_pf *pf);
365 int	ixl_aq_get_link_status(struct ixl_pf *,
366     struct i40e_aqc_get_link_status *);
367 void	ixl_set_link(struct ixl_pf *, bool);
368 
369 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
370 int	ixl_handle_i2c_eeprom_read_cmd(struct ixl_pf *, struct ifreq *ifr);
371 
372 int	ixl_setup_hmc(struct ixl_pf *);
373 void	ixl_shutdown_hmc(struct ixl_pf *);
374 void	ixl_handle_empr_reset(struct ixl_pf *);
375 int	ixl_prepare_for_reset(struct ixl_pf *pf, bool is_up);
376 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *, bool is_up);
377 int	ixl_pf_reset(struct ixl_pf *);
378 
379 void	ixl_set_queue_rx_itr(struct ixl_rx_queue *);
380 void	ixl_set_queue_tx_itr(struct ixl_tx_queue *);
381 
382 void	ixl_add_filter(struct ixl_vsi *, const u8 *, s16 vlan);
383 void	ixl_del_filter(struct ixl_vsi *, const u8 *, s16 vlan);
384 void	ixl_add_vlan_filters(struct ixl_vsi *, const u8 *);
385 void	ixl_del_all_vlan_filters(struct ixl_vsi *, const u8 *);
386 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
387 
388 int	ixl_disable_rings(struct ixl_pf *, struct ixl_vsi *, struct ixl_pf_qtag *);
389 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
390 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
391 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
392 
393 int	ixl_enable_rings(struct ixl_vsi *);
394 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
395 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
396 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
397 
398 void	ixl_update_eth_stats(struct ixl_vsi *);
399 void	ixl_cap_txcsum_tso(struct ixl_vsi *, if_t, int);
400 int	ixl_initialize_vsi(struct ixl_vsi *);
401 void	ixl_add_ifmedia(struct ifmedia *, u64);
402 int	ixl_setup_queue_msix(struct ixl_vsi *);
403 int	ixl_setup_queue_tqs(struct ixl_vsi *);
404 int	ixl_teardown_queue_msix(struct ixl_vsi *);
405 void	ixl_free_queue_tqs(struct ixl_vsi *);
406 void	ixl_enable_intr(struct ixl_vsi *);
407 void	ixl_disable_rings_intr(struct ixl_vsi *);
408 void	ixl_set_promisc(struct ixl_vsi *);
409 void	ixl_add_multi(struct ixl_vsi *);
410 void	ixl_del_multi(struct ixl_vsi *, bool);
411 void	ixl_setup_vlan_filters(struct ixl_vsi *);
412 void	ixl_init_filters(struct ixl_vsi *);
413 void	ixl_free_filters(struct ixl_ftl_head *);
414 void	ixl_add_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
415 void	ixl_del_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
416 void	ixl_del_default_hw_filters(struct ixl_vsi *);
417 struct ixl_mac_filter *
418 		ixl_find_filter(struct ixl_ftl_head *, const u8 *, s16);
419 void	ixl_update_vsi_stats(struct ixl_vsi *);
420 void	ixl_vsi_reset_stats(struct ixl_vsi *);
421 
422 void	ixl_vsi_free_queues(struct ixl_vsi *vsi);
423 
424 void	 ixl_if_init(if_ctx_t ctx);
425 void	 ixl_if_stop(if_ctx_t ctx);
426 
427 /*
428  * I2C Function prototypes
429  */
430 int	ixl_find_i2c_interface(struct ixl_pf *);
431 s32	ixl_read_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
432 	    u8 dev_addr, u8 *data);
433 s32	ixl_write_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
434 	    u8 dev_addr, u8 data);
435 s32	ixl_read_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
436 	    u8 dev_addr, u8 *data);
437 s32	ixl_write_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
438 	    u8 dev_addr, u8 data);
439 s32	ixl_read_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
440 	    u8 dev_addr, u8 *data);
441 s32	ixl_write_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
442 	    u8 dev_addr, u8 data);
443 
444 u64	ixl_max_aq_speed_to_value(u8);
445 int	ixl_attach_get_link_status(struct ixl_pf *);
446 int	ixl_sysctl_set_flowcntl(SYSCTL_HANDLER_ARGS);
447 
448 #endif /* _IXL_PF_H_ */
449