xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision 8b959dd6a3921c35395bef4a6d7ad2426a3bd88e)
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
23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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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_local_timer(void *);
294 void	ixl_register_vlan(void *, struct ifnet *, u16);
295 void	ixl_unregister_vlan(void *, struct ifnet *, u16);
296 int	ixl_intr(void *);
297 int	ixl_msix_que(void *);
298 int	ixl_msix_adminq(void *);
299 void	ixl_do_adminq(void *, int);
300 
301 int	ixl_res_alloc_cmp(const void *, const void *);
302 const char *	ixl_switch_res_type_string(u8);
303 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
304 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
305 
306 void    ixl_media_status(struct ifnet *, struct ifmediareq *);
307 int     ixl_media_change(struct ifnet *);
308 int     ixl_ioctl(struct ifnet *, u_long, caddr_t);
309 
310 void	ixl_enable_queue(struct i40e_hw *, int);
311 void	ixl_disable_queue(struct i40e_hw *, int);
312 void	ixl_enable_intr0(struct i40e_hw *);
313 void	ixl_disable_intr0(struct i40e_hw *);
314 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
315 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
316 		    u64 *, u64 *);
317 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
318 		    u64 *, u64 *);
319 
320 void	ixl_stop(struct ixl_pf *);
321 void	ixl_vsi_add_sysctls(struct ixl_vsi *, const char *, bool);
322 int	ixl_get_hw_capabilities(struct ixl_pf *);
323 void	ixl_link_up_msg(struct ixl_pf *);
324 void    ixl_update_link_status(struct ixl_pf *);
325 int	ixl_setup_stations(struct ixl_pf *);
326 int	ixl_switch_config(struct ixl_pf *);
327 void	ixl_stop_locked(struct ixl_pf *);
328 int	ixl_teardown_hw_structs(struct ixl_pf *);
329 void	ixl_init_locked(struct ixl_pf *);
330 void	ixl_set_rss_key(struct ixl_pf *);
331 void	ixl_set_rss_pctypes(struct ixl_pf *);
332 void	ixl_set_rss_hlut(struct ixl_pf *);
333 int	ixl_setup_adminq_msix(struct ixl_pf *);
334 int	ixl_setup_adminq_tq(struct ixl_pf *);
335 void	ixl_teardown_adminq_msix(struct ixl_pf *);
336 void	ixl_configure_intr0_msix(struct ixl_pf *);
337 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
338 void	ixl_free_adminq_tq(struct ixl_pf *);
339 int	ixl_setup_legacy(struct ixl_pf *);
340 int	ixl_init_msix(struct ixl_pf *);
341 void	ixl_configure_tx_itr(struct ixl_pf *);
342 void	ixl_configure_rx_itr(struct ixl_pf *);
343 void	ixl_configure_itr(struct ixl_pf *);
344 void	ixl_configure_legacy(struct ixl_pf *);
345 void	ixl_free_pci_resources(struct ixl_pf *);
346 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
347 void	ixl_config_rss(struct ixl_pf *);
348 int	ixl_set_advertised_speeds(struct ixl_pf *, int, bool);
349 void	ixl_set_initial_advertised_speeds(struct ixl_pf *);
350 void	ixl_print_nvm_version(struct ixl_pf *pf);
351 void	ixl_add_sysctls_recovery_mode(struct ixl_pf *);
352 void	ixl_add_device_sysctls(struct ixl_pf *);
353 void	ixl_handle_mdd_event(struct ixl_pf *);
354 void	ixl_add_hw_stats(struct ixl_pf *);
355 void	ixl_update_stats_counters(struct ixl_pf *);
356 void	ixl_pf_reset_stats(struct ixl_pf *);
357 void	ixl_get_bus_info(struct ixl_pf *pf);
358 int	ixl_aq_get_link_status(struct ixl_pf *,
359     struct i40e_aqc_get_link_status *);
360 void	ixl_set_link(struct ixl_pf *, bool);
361 
362 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
363 int	ixl_handle_i2c_eeprom_read_cmd(struct ixl_pf *, struct ifreq *ifr);
364 
365 int	ixl_setup_hmc(struct ixl_pf *);
366 void	ixl_shutdown_hmc(struct ixl_pf *);
367 void	ixl_handle_empr_reset(struct ixl_pf *);
368 int	ixl_prepare_for_reset(struct ixl_pf *pf, bool is_up);
369 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *, bool is_up);
370 int	ixl_pf_reset(struct ixl_pf *);
371 
372 void	ixl_set_queue_rx_itr(struct ixl_rx_queue *);
373 void	ixl_set_queue_tx_itr(struct ixl_tx_queue *);
374 
375 void	ixl_add_filter(struct ixl_vsi *, const u8 *, s16 vlan);
376 void	ixl_del_filter(struct ixl_vsi *, const u8 *, s16 vlan);
377 void	ixl_add_vlan_filters(struct ixl_vsi *, const u8 *);
378 void	ixl_del_all_vlan_filters(struct ixl_vsi *, const u8 *);
379 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
380 
381 int	ixl_disable_rings(struct ixl_pf *, struct ixl_vsi *, struct ixl_pf_qtag *);
382 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
383 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
384 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
385 
386 int	ixl_enable_rings(struct ixl_vsi *);
387 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
388 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
389 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
390 
391 void	ixl_update_eth_stats(struct ixl_vsi *);
392 void	ixl_cap_txcsum_tso(struct ixl_vsi *, struct ifnet *, int);
393 int	ixl_initialize_vsi(struct ixl_vsi *);
394 void	ixl_add_ifmedia(struct ifmedia *, u64);
395 int	ixl_setup_queue_msix(struct ixl_vsi *);
396 int	ixl_setup_queue_tqs(struct ixl_vsi *);
397 int	ixl_teardown_queue_msix(struct ixl_vsi *);
398 void	ixl_free_queue_tqs(struct ixl_vsi *);
399 void	ixl_enable_intr(struct ixl_vsi *);
400 void	ixl_disable_rings_intr(struct ixl_vsi *);
401 void	ixl_set_promisc(struct ixl_vsi *);
402 void	ixl_add_multi(struct ixl_vsi *);
403 void	ixl_del_multi(struct ixl_vsi *, bool);
404 void	ixl_setup_vlan_filters(struct ixl_vsi *);
405 void	ixl_init_filters(struct ixl_vsi *);
406 void	ixl_free_filters(struct ixl_ftl_head *);
407 void	ixl_add_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
408 void	ixl_del_hw_filters(struct ixl_vsi *, struct ixl_ftl_head *, int);
409 void	ixl_del_default_hw_filters(struct ixl_vsi *);
410 struct ixl_mac_filter *
411 		ixl_find_filter(struct ixl_ftl_head *, const u8 *, s16);
412 void	ixl_update_vsi_stats(struct ixl_vsi *);
413 void	ixl_vsi_reset_stats(struct ixl_vsi *);
414 
415 void	ixl_vsi_free_queues(struct ixl_vsi *vsi);
416 
417 void	 ixl_if_init(if_ctx_t ctx);
418 void	 ixl_if_stop(if_ctx_t ctx);
419 
420 /*
421  * I2C Function prototypes
422  */
423 int	ixl_find_i2c_interface(struct ixl_pf *);
424 s32	ixl_read_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
425 	    u8 dev_addr, u8 *data);
426 s32	ixl_write_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
427 	    u8 dev_addr, u8 data);
428 s32	ixl_read_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
429 	    u8 dev_addr, u8 *data);
430 s32	ixl_write_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
431 	    u8 dev_addr, u8 data);
432 s32	ixl_read_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
433 	    u8 dev_addr, u8 *data);
434 s32	ixl_write_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
435 	    u8 dev_addr, u8 data);
436 
437 u64	ixl_max_aq_speed_to_value(u8);
438 int	ixl_attach_get_link_status(struct ixl_pf *);
439 int	ixl_sysctl_set_flowcntl(SYSCTL_HANDLER_ARGS);
440 
441 #endif /* _IXL_PF_H_ */
442