xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision f126890a)
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
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10       this list of conditions and the following disclaimer.
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18       this software without specific prior written permission.
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20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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32 ******************************************************************************/
33 
34 
35 #ifndef _IXL_PF_H_
36 #define _IXL_PF_H_
37 
38 #include "i40e_dcb.h"
39 
40 #include "ixl.h"
41 #include "ixl_pf_qmgr.h"
42 
43 #define	VF_FLAG_ENABLED			0x01
44 #define	VF_FLAG_SET_MAC_CAP		0x02
45 #define	VF_FLAG_VLAN_CAP		0x04
46 #define	VF_FLAG_PROMISC_CAP		0x08
47 #define	VF_FLAG_MAC_ANTI_SPOOF		0x10
48 
49 #define IXL_ICR0_CRIT_ERR_MASK 			\
50     (I40E_PFINT_ICR0_PCI_EXCEPTION_MASK | 	\
51      I40E_PFINT_ICR0_ECC_ERR_MASK | 		\
52      I40E_PFINT_ICR0_PE_CRITERR_MASK)
53 
54 /* VF Interrupts */
55 #define IXL_VPINT_LNKLSTN_REG(hw, vector, vf_num) \
56 	I40E_VPINT_LNKLSTN(((vector) - 1) + \
57 	    (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num)))
58 
59 #define IXL_VFINT_DYN_CTLN_REG(hw, vector, vf_num) \
60 	I40E_VFINT_DYN_CTLN(((vector) - 1) + \
61 	    (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num)))
62 
63 enum ixl_fw_mode {
64 	IXL_FW_MODE_NORMAL,
65 	IXL_FW_MODE_RECOVERY,
66 	IXL_FW_MODE_UEMPR
67 };
68 
69 enum ixl_i2c_access_method_t {
70 	IXL_I2C_ACCESS_METHOD_BEST_AVAILABLE = 0,
71 	IXL_I2C_ACCESS_METHOD_BIT_BANG_I2CPARAMS = 1,
72 	IXL_I2C_ACCESS_METHOD_REGISTER_I2CCMD = 2,
73 	IXL_I2C_ACCESS_METHOD_AQ = 3,
74 	IXL_I2C_ACCESS_METHOD_TYPE_LENGTH = 4
75 };
76 
77 /* Used in struct ixl_pf's state field */
78 enum ixl_state {
79 	IXL_STATE_RECOVERY_MODE	= 0,
80 	IXL_STATE_RESETTING		= 1,
81 	IXL_STATE_MDD_PENDING	= 2,
82 	IXL_STATE_PF_RESET_REQ	= 3,
83 	IXL_STATE_VF_RESET_REQ	= 4,
84 	IXL_STATE_PF_CRIT_ERR	= 5,
85 	IXL_STATE_CORE_RESET_REQ	= 6,
86 	IXL_STATE_GLOB_RESET_REQ	= 7,
87 	IXL_STATE_EMP_RESET_REQ	= 8,
88 	IXL_STATE_FW_LLDP_DISABLED	= 9,
89 	IXL_STATE_EEE_ENABLED	= 10,
90 	IXL_STATE_LINK_ACTIVE_ON_DOWN = 11,
91 	IXL_STATE_LINK_POLLING = 12,
92 };
93 
94 #define IXL_PF_IN_RECOVERY_MODE(pf)	\
95 	ixl_test_state(&pf->state, IXL_STATE_RECOVERY_MODE)
96 
97 #define IXL_PF_IS_RESETTING(pf)	\
98 	ixl_test_state(&pf->state, IXL_STATE_RESETTING)
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 	sbintime_t		link_poll_start;
177 };
178 
179 /*
180  * Defines used for NVM update ioctls.
181  * This value is used in the Solaris tool, too.
182  */
183 #define I40E_NVM_ACCESS \
184      (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
185 
186 #define IXL_DEFAULT_PHY_INT_MASK \
187      ((~(I40E_AQ_EVENT_LINK_UPDOWN | I40E_AQ_EVENT_MODULE_QUAL_FAIL \
188       | I40E_AQ_EVENT_MEDIA_NA)) & 0x3FF)
189 
190 /*** Sysctl help messages; displayed with "sysctl -d" ***/
191 
192 #define IXL_SYSCTL_HELP_SET_ADVERTISE	\
193 "\nControl advertised link speed.\n"	\
194 "Flags:\n"				\
195 "\t 0x1 - advertise 100M\n"		\
196 "\t 0x2 - advertise 1G\n"		\
197 "\t 0x4 - advertise 10G\n"		\
198 "\t 0x8 - advertise 20G\n"		\
199 "\t0x10 - advertise 25G\n"		\
200 "\t0x20 - advertise 40G\n"		\
201 "\t0x40 - advertise 2.5G\n"		\
202 "\t0x80 - advertise 5G\n\n"		\
203 "Set to 0 to disable link.\n"		\
204 "Use \"sysctl -x\" to view flags properly."
205 
206 #define IXL_SYSCTL_HELP_SUPPORTED_SPEED	\
207 "\nSupported link speeds.\n"		\
208 "Flags:\n"				\
209 "\t 0x1 - 100M\n"			\
210 "\t 0x2 - 1G\n"				\
211 "\t 0x4 - 10G\n"			\
212 "\t 0x8 - 20G\n"			\
213 "\t0x10 - 25G\n"			\
214 "\t0x20 - 40G\n"			\
215 "\t0x40 - 2.5G\n"			\
216 "\t0x80 - 5G\n\n"			\
217 "Use \"sysctl -x\" to view flags properly."
218 
219 #define IXL_SYSCTL_HELP_FC				\
220 "\nSet flow control mode using the values below.\n" 	\
221 "\t0 - off\n" 						\
222 "\t1 - rx pause\n" 					\
223 "\t2 - tx pause\n"					\
224 "\t3 - tx and rx pause"
225 
226 #define IXL_SYSCTL_HELP_LINK_STATUS					\
227 "\nExecutes a \"Get Link Status\" command on the Admin Queue, and displays" \
228 " the response."
229 
230 #define IXL_SYSCTL_HELP_FW_LLDP		\
231 "\nFW LLDP engine:\n"			\
232 "\t0 - disable\n"			\
233 "\t1 - enable\n"
234 
235 #define IXL_SYSCTL_HELP_SET_LINK_ACTIVE			\
236 "\nKeep link active after setting interface down:\n"	\
237 "\t0 - disable\n"					\
238 "\t1 - enable\n"
239 
240 #define IXL_SYSCTL_HELP_READ_I2C		\
241 "\nRead a byte from I2C bus\n"			\
242 "Input: 32-bit value\n"				\
243 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
244 "\tbits 8-15:  offset (0-255)\n"		\
245 "\tbits 16-31: unused\n"			\
246 "Output: 8-bit value read"
247 
248 #define IXL_SYSCTL_HELP_WRITE_I2C		\
249 "\nWrite a byte to the I2C bus\n"		\
250 "Input: 32-bit value\n"				\
251 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
252 "\tbits 8-15:  offset (0-255)\n"		\
253 "\tbits 16-23: value to write\n"		\
254 "\tbits 24-31: unused\n"			\
255 "Output: 8-bit value written"
256 
257 #define IXL_SYSCTL_HELP_I2C_METHOD		\
258 "\nI2C access method that driver will use:\n"	\
259 "\t0 - best available method\n"			\
260 "\t1 - bit bang via I2CPARAMS register\n"	\
261 "\t2 - register read/write via I2CCMD register\n" \
262 "\t3 - Use Admin Queue command (best)\n"	\
263 "Using the Admin Queue is only supported on 710 devices with FW version 1.7 or higher"
264 
265 #define IXL_SYSCTL_HELP_VF_LOOPBACK		\
266 "\nDetermines mode that embedded device switch will use when SR-IOV is initialized:\n"	\
267 "\t0 - Disable (VEPA)\n"			\
268 "\t1 - Enable (VEB)\n"				\
269 "Enabling this will allow VFs in separate VMs to communicate over the hardware bridge."
270 
271 /*** Functions / Macros ***/
272 /* Adjust the level here to 10 or over to print stats messages */
273 #define	I40E_VC_DEBUG(p, level, ...)				\
274 	do {							\
275 		if (level < 10)					\
276 			ixl_dbg(p, IXL_DBG_IOV_VC, ##__VA_ARGS__); \
277 	} while (0)
278 
279 #define	i40e_send_vf_nack(pf, vf, op, st) \
280 	ixl_send_vf_nack_msg((pf), (vf), (op), (st), __FILE__, __LINE__)
281 
282 /* Debug printing */
283 #define ixl_dbg(pf, m, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, m, s, ##__VA_ARGS__)
284 #define ixl_dbg_info(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_INFO, s, ##__VA_ARGS__)
285 #define ixl_dbg_filter(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_FILTER, s, ##__VA_ARGS__)
286 #define ixl_dbg_iov(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_IOV, s, ##__VA_ARGS__)
287 #define ixl_dbg_link(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_LINK, s, ##__VA_ARGS__)
288 
289 /* PF-only function declarations */
290 void	ixl_set_state(volatile u32 *s, enum ixl_state bit);
291 void	ixl_clear_state(volatile u32 *s, enum ixl_state bit);
292 bool	ixl_test_state(volatile u32 *s, enum ixl_state bit);
293 u32	ixl_testandset_state(volatile u32 *s, enum ixl_state bit);
294 int	ixl_setup_interface(device_t, struct ixl_pf *);
295 void	ixl_print_nvm_cmd(device_t, struct i40e_nvm_access *);
296 
297 void	ixl_handle_que(void *context, int pending);
298 
299 void	ixl_init(void *);
300 void	ixl_register_vlan(void *, if_t, u16);
301 void	ixl_unregister_vlan(void *, if_t, u16);
302 int	ixl_intr(void *);
303 int	ixl_msix_que(void *);
304 int	ixl_msix_adminq(void *);
305 void	ixl_do_adminq(void *, int);
306 
307 int	ixl_res_alloc_cmp(const void *, const void *);
308 const char *	ixl_switch_res_type_string(u8);
309 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
310 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
311 
312 void    ixl_media_status(if_t, struct ifmediareq *);
313 int     ixl_media_change(if_t);
314 int     ixl_ioctl(if_t, u_long, caddr_t);
315 
316 void	ixl_enable_queue(struct i40e_hw *, int);
317 void	ixl_disable_queue(struct i40e_hw *, int);
318 void	ixl_enable_intr0(struct i40e_hw *);
319 void	ixl_disable_intr0(struct i40e_hw *);
320 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
321 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
322 		    u64 *, u64 *);
323 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
324 		    u64 *, u64 *);
325 
326 void	ixl_stop(struct ixl_pf *);
327 void	ixl_vsi_add_sysctls(struct ixl_vsi *, const char *, bool);
328 int	ixl_get_hw_capabilities(struct ixl_pf *);
329 void	ixl_link_up_msg(struct ixl_pf *);
330 void    ixl_update_link_status(struct ixl_pf *);
331 int	ixl_setup_stations(struct ixl_pf *);
332 int	ixl_switch_config(struct ixl_pf *);
333 void	ixl_stop_locked(struct ixl_pf *);
334 int	ixl_teardown_hw_structs(struct ixl_pf *);
335 void	ixl_init_locked(struct ixl_pf *);
336 void	ixl_set_rss_key(struct ixl_pf *);
337 void	ixl_set_rss_pctypes(struct ixl_pf *);
338 void	ixl_set_rss_hlut(struct ixl_pf *);
339 int	ixl_setup_adminq_msix(struct ixl_pf *);
340 int	ixl_setup_adminq_tq(struct ixl_pf *);
341 void	ixl_teardown_adminq_msix(struct ixl_pf *);
342 void	ixl_configure_intr0_msix(struct ixl_pf *);
343 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
344 void	ixl_free_adminq_tq(struct ixl_pf *);
345 int	ixl_setup_legacy(struct ixl_pf *);
346 int	ixl_init_msix(struct ixl_pf *);
347 void	ixl_configure_tx_itr(struct ixl_pf *);
348 void	ixl_configure_rx_itr(struct ixl_pf *);
349 void	ixl_configure_itr(struct ixl_pf *);
350 void	ixl_configure_legacy(struct ixl_pf *);
351 void	ixl_free_pci_resources(struct ixl_pf *);
352 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
353 void	ixl_config_rss(struct ixl_pf *);
354 int	ixl_set_advertised_speeds(struct ixl_pf *, int, bool);
355 void	ixl_set_initial_advertised_speeds(struct ixl_pf *);
356 void	ixl_print_nvm_version(struct ixl_pf *pf);
357 void	ixl_add_sysctls_recovery_mode(struct ixl_pf *);
358 void	ixl_add_device_sysctls(struct ixl_pf *);
359 void	ixl_handle_mdd_event(struct ixl_pf *);
360 void	ixl_add_hw_stats(struct ixl_pf *);
361 void	ixl_update_stats_counters(struct ixl_pf *);
362 void	ixl_pf_reset_stats(struct ixl_pf *);
363 void	ixl_get_bus_info(struct ixl_pf *pf);
364 int	ixl_aq_get_link_status(struct ixl_pf *,
365     struct i40e_aqc_get_link_status *);
366 void	ixl_set_link(struct ixl_pf *, bool);
367 
368 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
369 int	ixl_handle_i2c_eeprom_read_cmd(struct ixl_pf *, struct ifreq *ifr);
370 
371 int	ixl_setup_hmc(struct ixl_pf *);
372 void	ixl_shutdown_hmc(struct ixl_pf *);
373 void	ixl_handle_empr_reset(struct ixl_pf *);
374 int	ixl_prepare_for_reset(struct ixl_pf *pf, bool is_up);
375 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *, bool is_up);
376 int	ixl_pf_reset(struct ixl_pf *);
377 
378 void	ixl_set_queue_rx_itr(struct ixl_rx_queue *);
379 void	ixl_set_queue_tx_itr(struct ixl_tx_queue *);
380 
381 void	ixl_add_filter(struct ixl_vsi *, const u8 *, s16 vlan);
382 void	ixl_del_filter(struct ixl_vsi *, const u8 *, s16 vlan);
383 void	ixl_add_vlan_filters(struct ixl_vsi *, const u8 *);
384 void	ixl_del_all_vlan_filters(struct ixl_vsi *, const u8 *);
385 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
386 
387 int	ixl_disable_rings(struct ixl_pf *, struct ixl_vsi *, struct ixl_pf_qtag *);
388 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
389 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
390 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
391 
392 int	ixl_enable_rings(struct ixl_vsi *);
393 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
394 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
395 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
396 
397 void	ixl_update_eth_stats(struct ixl_vsi *);
398 void	ixl_cap_txcsum_tso(struct ixl_vsi *, if_t, int);
399 int	ixl_initialize_vsi(struct ixl_vsi *);
400 void	ixl_add_ifmedia(struct ifmedia *, u64);
401 int	ixl_setup_queue_msix(struct ixl_vsi *);
402 int	ixl_setup_queue_tqs(struct ixl_vsi *);
403 int	ixl_teardown_queue_msix(struct ixl_vsi *);
404 void	ixl_free_queue_tqs(struct ixl_vsi *);
405 void	ixl_enable_intr(struct ixl_vsi *);
406 void	ixl_disable_rings_intr(struct ixl_vsi *);
407 void	ixl_set_promisc(struct ixl_vsi *);
408 void	ixl_add_multi(struct ixl_vsi *);
409 void	ixl_del_multi(struct ixl_vsi *, bool);
410 void	ixl_setup_vlan_filters(struct ixl_vsi *);
411 void	ixl_init_filters(struct ixl_vsi *);
412 void	ixl_free_filters(struct ixl_ftl_head *);
413 void	ixl_add_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
414 void	ixl_del_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
415 void	ixl_del_default_hw_filters(struct ixl_vsi *);
416 struct ixl_mac_filter *
417 		ixl_find_filter(struct ixl_ftl_head *, const u8 *, s16);
418 void	ixl_update_vsi_stats(struct ixl_vsi *);
419 void	ixl_vsi_reset_stats(struct ixl_vsi *);
420 
421 void	ixl_vsi_free_queues(struct ixl_vsi *vsi);
422 
423 void	 ixl_if_init(if_ctx_t ctx);
424 void	 ixl_if_stop(if_ctx_t ctx);
425 
426 /*
427  * I2C Function prototypes
428  */
429 int	ixl_find_i2c_interface(struct ixl_pf *);
430 s32	ixl_read_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
431 	    u8 dev_addr, u8 *data);
432 s32	ixl_write_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
433 	    u8 dev_addr, u8 data);
434 s32	ixl_read_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
435 	    u8 dev_addr, u8 *data);
436 s32	ixl_write_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
437 	    u8 dev_addr, u8 data);
438 s32	ixl_read_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
439 	    u8 dev_addr, u8 *data);
440 s32	ixl_write_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
441 	    u8 dev_addr, u8 data);
442 
443 u64	ixl_max_aq_speed_to_value(u8);
444 int	ixl_attach_get_link_status(struct ixl_pf *);
445 int	ixl_sysctl_set_flowcntl(SYSCTL_HANDLER_ARGS);
446 
447 #endif /* _IXL_PF_H_ */
448