xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision 5d3e7166)
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 
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10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
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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
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18       this software without specific prior written permission.
19 
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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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_pf_state {
80 	IXL_PF_STATE_RECOVERY_MODE	= (1 << 0),
81 	IXL_PF_STATE_RESETTING		= (1 << 1),
82 	IXL_PF_STATE_MDD_PENDING	= (1 << 2),
83 	IXL_PF_STATE_PF_RESET_REQ	= (1 << 3),
84 	IXL_PF_STATE_VF_RESET_REQ	= (1 << 4),
85 	IXL_PF_STATE_PF_CRIT_ERR	= (1 << 5),
86 	IXL_PF_STATE_CORE_RESET_REQ	= (1 << 6),
87 	IXL_PF_STATE_GLOB_RESET_REQ	= (1 << 7),
88 	IXL_PF_STATE_EMP_RESET_REQ	= (1 << 8),
89 	IXL_PF_STATE_FW_LLDP_DISABLED	= (1 << 9),
90 	IXL_PF_STATE_EEE_ENABLED	= (1 << 10),
91 	IXL_PF_STATE_LINK_ACTIVE_ON_DOWN = (1 << 11),
92 };
93 
94 #define IXL_PF_IN_RECOVERY_MODE(pf)	\
95 	((atomic_load_acq_32(&pf->state) & IXL_PF_STATE_RECOVERY_MODE) != 0)
96 
97 #define IXL_PF_IS_RESETTING(pf)	\
98 	((atomic_load_acq_32(&pf->state) & IXL_PF_STATE_RESETTING) != 0)
99 
100 struct ixl_vf {
101 	struct ixl_vsi		vsi;
102 	u32			vf_flags;
103 	u32			num_mdd_events;
104 
105 	u8			mac[ETHER_ADDR_LEN];
106 	u16			vf_num;
107 	struct virtchnl_version_info version;
108 
109 	struct ixl_pf_qtag	qtag;
110 };
111 
112 /* Physical controller structure */
113 struct ixl_pf {
114 	struct ixl_vsi		vsi;
115 
116 	struct i40e_hw		hw;
117 	struct i40e_osdep	osdep;
118 	device_t		dev;
119 
120 	struct resource		*pci_mem;
121 
122 #ifdef IXL_IW
123 	int			iw_msix;
124 	bool			iw_enabled;
125 #endif
126 	u32			state;
127 	u8			supported_speeds;
128 
129 	struct ixl_pf_qmgr	qmgr;
130 	struct ixl_pf_qtag	qtag;
131 
132 	char admin_mtx_name[16]; /* name of the admin mutex */
133 	struct mtx admin_mtx; /* mutex to protect the admin timer */
134 	struct callout admin_timer; /* timer to trigger admin task */
135 
136 	/* Tunable values */
137 #ifdef IXL_DEBUG_FC
138 	bool			enable_tx_fc_filter;
139 #endif
140 #ifdef IXL_DEBUG
141 	bool			recovery_mode;
142 #endif
143 	int			dynamic_rx_itr;
144 	int			dynamic_tx_itr;
145 	int			tx_itr;
146 	int			rx_itr;
147 	int			enable_vf_loopback;
148 
149 	bool			link_up;
150 	int			advertised_speed;
151 	int			fc; /* link flow ctrl setting */
152 	enum ixl_dbg_mask	dbg_mask;
153 	bool			has_i2c;
154 
155 	/* Misc stats maintained by the driver */
156 	u64			admin_irq;
157 
158 	/* Statistics from hw */
159 	struct i40e_hw_port_stats 	stats;
160 	struct i40e_hw_port_stats	stats_offsets;
161 	bool 				stat_offsets_loaded;
162 
163 	/* I2C access methods */
164 	enum ixl_i2c_access_method_t i2c_access_method;
165 	s32 (*read_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
166 	    u8 dev_addr, u8 *data);
167 	s32 (*write_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
168 	    u8 dev_addr, u8 data);
169 
170 	/* SR-IOV */
171 	struct ixl_vf		*vfs;
172 	int			num_vfs;
173 	uint16_t		veb_seid;
174 	int			vc_debug_lvl;
175 };
176 
177 /*
178  * Defines used for NVM update ioctls.
179  * This value is used in the Solaris tool, too.
180  */
181 #define I40E_NVM_ACCESS \
182      (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
183 
184 #define IXL_DEFAULT_PHY_INT_MASK \
185      ((~(I40E_AQ_EVENT_LINK_UPDOWN | I40E_AQ_EVENT_MODULE_QUAL_FAIL \
186       | I40E_AQ_EVENT_MEDIA_NA)) & 0x3FF)
187 
188 /*** Sysctl help messages; displayed with "sysctl -d" ***/
189 
190 #define IXL_SYSCTL_HELP_SET_ADVERTISE	\
191 "\nControl advertised link speed.\n"	\
192 "Flags:\n"				\
193 "\t 0x1 - advertise 100M\n"		\
194 "\t 0x2 - advertise 1G\n"		\
195 "\t 0x4 - advertise 10G\n"		\
196 "\t 0x8 - advertise 20G\n"		\
197 "\t0x10 - advertise 25G\n"		\
198 "\t0x20 - advertise 40G\n"		\
199 "\t0x40 - advertise 2.5G\n"		\
200 "\t0x80 - advertise 5G\n\n"		\
201 "Set to 0 to disable link.\n"		\
202 "Use \"sysctl -x\" to view flags properly."
203 
204 #define IXL_SYSCTL_HELP_SUPPORTED_SPEED	\
205 "\nSupported link speeds.\n"		\
206 "Flags:\n"				\
207 "\t 0x1 - 100M\n"			\
208 "\t 0x2 - 1G\n"				\
209 "\t 0x4 - 10G\n"			\
210 "\t 0x8 - 20G\n"			\
211 "\t0x10 - 25G\n"			\
212 "\t0x20 - 40G\n"			\
213 "\t0x40 - 2.5G\n"			\
214 "\t0x80 - 5G\n\n"			\
215 "Use \"sysctl -x\" to view flags properly."
216 
217 #define IXL_SYSCTL_HELP_FC				\
218 "\nSet flow control mode using the values below.\n" 	\
219 "\t0 - off\n" 						\
220 "\t1 - rx pause\n" 					\
221 "\t2 - tx pause\n"					\
222 "\t3 - tx and rx pause"
223 
224 #define IXL_SYSCTL_HELP_LINK_STATUS					\
225 "\nExecutes a \"Get Link Status\" command on the Admin Queue, and displays" \
226 " the response."
227 
228 #define IXL_SYSCTL_HELP_FW_LLDP		\
229 "\nFW LLDP engine:\n"			\
230 "\t0 - disable\n"			\
231 "\t1 - enable\n"
232 
233 #define IXL_SYSCTL_HELP_SET_LINK_ACTIVE			\
234 "\nKeep link active after setting interface down:\n"	\
235 "\t0 - disable\n"					\
236 "\t1 - enable\n"
237 
238 #define IXL_SYSCTL_HELP_READ_I2C		\
239 "\nRead a byte from I2C bus\n"			\
240 "Input: 32-bit value\n"				\
241 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
242 "\tbits 8-15:  offset (0-255)\n"		\
243 "\tbits 16-31: unused\n"			\
244 "Output: 8-bit value read"
245 
246 #define IXL_SYSCTL_HELP_WRITE_I2C		\
247 "\nWrite a byte to the I2C bus\n"		\
248 "Input: 32-bit value\n"				\
249 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
250 "\tbits 8-15:  offset (0-255)\n"		\
251 "\tbits 16-23: value to write\n"		\
252 "\tbits 24-31: unused\n"			\
253 "Output: 8-bit value written"
254 
255 #define IXL_SYSCTL_HELP_I2C_METHOD		\
256 "\nI2C access method that driver will use:\n"	\
257 "\t0 - best available method\n"			\
258 "\t1 - bit bang via I2CPARAMS register\n"	\
259 "\t2 - register read/write via I2CCMD register\n" \
260 "\t3 - Use Admin Queue command (best)\n"	\
261 "Using the Admin Queue is only supported on 710 devices with FW version 1.7 or higher"
262 
263 #define IXL_SYSCTL_HELP_VF_LOOPBACK		\
264 "\nDetermines mode that embedded device switch will use when SR-IOV is initialized:\n"	\
265 "\t0 - Disable (VEPA)\n"			\
266 "\t1 - Enable (VEB)\n"				\
267 "Enabling this will allow VFs in separate VMs to communicate over the hardware bridge."
268 
269 /*** Functions / Macros ***/
270 /* Adjust the level here to 10 or over to print stats messages */
271 #define	I40E_VC_DEBUG(p, level, ...)				\
272 	do {							\
273 		if (level < 10)					\
274 			ixl_dbg(p, IXL_DBG_IOV_VC, ##__VA_ARGS__); \
275 	} while (0)
276 
277 #define	i40e_send_vf_nack(pf, vf, op, st) \
278 	ixl_send_vf_nack_msg((pf), (vf), (op), (st), __FILE__, __LINE__)
279 
280 /* Debug printing */
281 #define ixl_dbg(pf, m, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, m, s, ##__VA_ARGS__)
282 #define ixl_dbg_info(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_INFO, s, ##__VA_ARGS__)
283 #define ixl_dbg_filter(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_FILTER, s, ##__VA_ARGS__)
284 #define ixl_dbg_iov(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_IOV, s, ##__VA_ARGS__)
285 
286 /* PF-only function declarations */
287 int	ixl_setup_interface(device_t, struct ixl_pf *);
288 void	ixl_print_nvm_cmd(device_t, struct i40e_nvm_access *);
289 
290 void	ixl_handle_que(void *context, int pending);
291 
292 void	ixl_init(void *);
293 void	ixl_register_vlan(void *, if_t, u16);
294 void	ixl_unregister_vlan(void *, if_t, u16);
295 int	ixl_intr(void *);
296 int	ixl_msix_que(void *);
297 int	ixl_msix_adminq(void *);
298 void	ixl_do_adminq(void *, int);
299 
300 int	ixl_res_alloc_cmp(const void *, const void *);
301 const char *	ixl_switch_res_type_string(u8);
302 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
303 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
304 
305 void    ixl_media_status(if_t, struct ifmediareq *);
306 int     ixl_media_change(if_t);
307 int     ixl_ioctl(if_t, u_long, caddr_t);
308 
309 void	ixl_enable_queue(struct i40e_hw *, int);
310 void	ixl_disable_queue(struct i40e_hw *, int);
311 void	ixl_enable_intr0(struct i40e_hw *);
312 void	ixl_disable_intr0(struct i40e_hw *);
313 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
314 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
315 		    u64 *, u64 *);
316 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
317 		    u64 *, u64 *);
318 
319 void	ixl_stop(struct ixl_pf *);
320 void	ixl_vsi_add_sysctls(struct ixl_vsi *, const char *, bool);
321 int	ixl_get_hw_capabilities(struct ixl_pf *);
322 void	ixl_link_up_msg(struct ixl_pf *);
323 void    ixl_update_link_status(struct ixl_pf *);
324 int	ixl_setup_stations(struct ixl_pf *);
325 int	ixl_switch_config(struct ixl_pf *);
326 void	ixl_stop_locked(struct ixl_pf *);
327 int	ixl_teardown_hw_structs(struct ixl_pf *);
328 void	ixl_init_locked(struct ixl_pf *);
329 void	ixl_set_rss_key(struct ixl_pf *);
330 void	ixl_set_rss_pctypes(struct ixl_pf *);
331 void	ixl_set_rss_hlut(struct ixl_pf *);
332 int	ixl_setup_adminq_msix(struct ixl_pf *);
333 int	ixl_setup_adminq_tq(struct ixl_pf *);
334 void	ixl_teardown_adminq_msix(struct ixl_pf *);
335 void	ixl_configure_intr0_msix(struct ixl_pf *);
336 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
337 void	ixl_free_adminq_tq(struct ixl_pf *);
338 int	ixl_setup_legacy(struct ixl_pf *);
339 int	ixl_init_msix(struct ixl_pf *);
340 void	ixl_configure_tx_itr(struct ixl_pf *);
341 void	ixl_configure_rx_itr(struct ixl_pf *);
342 void	ixl_configure_itr(struct ixl_pf *);
343 void	ixl_configure_legacy(struct ixl_pf *);
344 void	ixl_free_pci_resources(struct ixl_pf *);
345 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
346 void	ixl_config_rss(struct ixl_pf *);
347 int	ixl_set_advertised_speeds(struct ixl_pf *, int, bool);
348 void	ixl_set_initial_advertised_speeds(struct ixl_pf *);
349 void	ixl_print_nvm_version(struct ixl_pf *pf);
350 void	ixl_add_sysctls_recovery_mode(struct ixl_pf *);
351 void	ixl_add_device_sysctls(struct ixl_pf *);
352 void	ixl_handle_mdd_event(struct ixl_pf *);
353 void	ixl_add_hw_stats(struct ixl_pf *);
354 void	ixl_update_stats_counters(struct ixl_pf *);
355 void	ixl_pf_reset_stats(struct ixl_pf *);
356 void	ixl_get_bus_info(struct ixl_pf *pf);
357 int	ixl_aq_get_link_status(struct ixl_pf *,
358     struct i40e_aqc_get_link_status *);
359 void	ixl_set_link(struct ixl_pf *, bool);
360 
361 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
362 int	ixl_handle_i2c_eeprom_read_cmd(struct ixl_pf *, struct ifreq *ifr);
363 
364 int	ixl_setup_hmc(struct ixl_pf *);
365 void	ixl_shutdown_hmc(struct ixl_pf *);
366 void	ixl_handle_empr_reset(struct ixl_pf *);
367 int	ixl_prepare_for_reset(struct ixl_pf *pf, bool is_up);
368 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *, bool is_up);
369 int	ixl_pf_reset(struct ixl_pf *);
370 
371 void	ixl_set_queue_rx_itr(struct ixl_rx_queue *);
372 void	ixl_set_queue_tx_itr(struct ixl_tx_queue *);
373 
374 void	ixl_add_filter(struct ixl_vsi *, const u8 *, s16 vlan);
375 void	ixl_del_filter(struct ixl_vsi *, const u8 *, s16 vlan);
376 void	ixl_add_vlan_filters(struct ixl_vsi *, const u8 *);
377 void	ixl_del_all_vlan_filters(struct ixl_vsi *, const u8 *);
378 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
379 
380 int	ixl_disable_rings(struct ixl_pf *, struct ixl_vsi *, struct ixl_pf_qtag *);
381 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
382 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
383 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
384 
385 int	ixl_enable_rings(struct ixl_vsi *);
386 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
387 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
388 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
389 
390 void	ixl_update_eth_stats(struct ixl_vsi *);
391 void	ixl_cap_txcsum_tso(struct ixl_vsi *, if_t, int);
392 int	ixl_initialize_vsi(struct ixl_vsi *);
393 void	ixl_add_ifmedia(struct ifmedia *, u64);
394 int	ixl_setup_queue_msix(struct ixl_vsi *);
395 int	ixl_setup_queue_tqs(struct ixl_vsi *);
396 int	ixl_teardown_queue_msix(struct ixl_vsi *);
397 void	ixl_free_queue_tqs(struct ixl_vsi *);
398 void	ixl_enable_intr(struct ixl_vsi *);
399 void	ixl_disable_rings_intr(struct ixl_vsi *);
400 void	ixl_set_promisc(struct ixl_vsi *);
401 void	ixl_add_multi(struct ixl_vsi *);
402 void	ixl_del_multi(struct ixl_vsi *, bool);
403 void	ixl_setup_vlan_filters(struct ixl_vsi *);
404 void	ixl_init_filters(struct ixl_vsi *);
405 void	ixl_free_filters(struct ixl_ftl_head *);
406 void	ixl_add_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
407 void	ixl_del_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
408 void	ixl_del_default_hw_filters(struct ixl_vsi *);
409 struct ixl_mac_filter *
410 		ixl_find_filter(struct ixl_ftl_head *, const u8 *, s16);
411 void	ixl_update_vsi_stats(struct ixl_vsi *);
412 void	ixl_vsi_reset_stats(struct ixl_vsi *);
413 
414 void	ixl_vsi_free_queues(struct ixl_vsi *vsi);
415 
416 void	 ixl_if_init(if_ctx_t ctx);
417 void	 ixl_if_stop(if_ctx_t ctx);
418 
419 /*
420  * I2C Function prototypes
421  */
422 int	ixl_find_i2c_interface(struct ixl_pf *);
423 s32	ixl_read_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
424 	    u8 dev_addr, u8 *data);
425 s32	ixl_write_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
426 	    u8 dev_addr, u8 data);
427 s32	ixl_read_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
428 	    u8 dev_addr, u8 *data);
429 s32	ixl_write_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
430 	    u8 dev_addr, u8 data);
431 s32	ixl_read_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
432 	    u8 dev_addr, u8 *data);
433 s32	ixl_write_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
434 	    u8 dev_addr, u8 data);
435 
436 u64	ixl_max_aq_speed_to_value(u8);
437 int	ixl_attach_get_link_status(struct ixl_pf *);
438 int	ixl_sysctl_set_flowcntl(SYSCTL_HANDLER_ARGS);
439 
440 #endif /* _IXL_PF_H_ */
441