xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision b622dc25cf3c9940df3e4f7ac9fc961093db6ea8)
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
24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   POSSIBILITY OF SUCH DAMAGE.
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_ADAPTER_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 };
91 
92 #define IXL_PF_IN_RECOVERY_MODE(pf)	\
93 	((atomic_load_acq_32(&pf->state) & IXL_PF_STATE_RECOVERY_MODE) != 0)
94 
95 
96 struct ixl_vf {
97 	struct ixl_vsi		vsi;
98 	u32			vf_flags;
99 	u32			num_mdd_events;
100 
101 	u8			mac[ETHER_ADDR_LEN];
102 	u16			vf_num;
103 	struct virtchnl_version_info version;
104 
105 	struct ixl_pf_qtag	qtag;
106 };
107 
108 /* Physical controller structure */
109 struct ixl_pf {
110 	struct ixl_vsi		vsi;
111 
112 	struct i40e_hw		hw;
113 	struct i40e_osdep	osdep;
114 	device_t		dev;
115 
116 	struct resource		*pci_mem;
117 
118 #ifdef IXL_IW
119 	int			iw_msix;
120 	bool			iw_enabled;
121 #endif
122 	u32			state;
123 	u8			supported_speeds;
124 
125 	struct ixl_pf_qmgr	qmgr;
126 	struct ixl_pf_qtag	qtag;
127 
128 	char admin_mtx_name[16]; /* name of the admin mutex */
129 	struct mtx admin_mtx; /* mutex to protect the admin timer */
130 	struct callout admin_timer; /* timer to trigger admin task */
131 
132 	/* Tunable values */
133 #ifdef IXL_DEBUG_FC
134 	bool			enable_tx_fc_filter;
135 #endif
136 #ifdef IXL_DEBUG
137 	bool			recovery_mode;
138 #endif
139 	int			dynamic_rx_itr;
140 	int			dynamic_tx_itr;
141 	int			tx_itr;
142 	int			rx_itr;
143 	int			enable_vf_loopback;
144 
145 	bool			link_up;
146 	int			advertised_speed;
147 	int			fc; /* link flow ctrl setting */
148 	enum ixl_dbg_mask	dbg_mask;
149 	bool			has_i2c;
150 
151 	/* Misc stats maintained by the driver */
152 	u64			admin_irq;
153 
154 	/* Statistics from hw */
155 	struct i40e_hw_port_stats 	stats;
156 	struct i40e_hw_port_stats	stats_offsets;
157 	bool 				stat_offsets_loaded;
158 
159 	/* I2C access methods */
160 	enum ixl_i2c_access_method_t i2c_access_method;
161 	s32 (*read_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
162 	    u8 dev_addr, u8 *data);
163 	s32 (*write_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
164 	    u8 dev_addr, u8 data);
165 
166 	/* SR-IOV */
167 	struct ixl_vf		*vfs;
168 	int			num_vfs;
169 	uint16_t		veb_seid;
170 	int			vc_debug_lvl;
171 };
172 
173 /*
174  * Defines used for NVM update ioctls.
175  * This value is used in the Solaris tool, too.
176  */
177 #define I40E_NVM_ACCESS \
178      (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
179 
180 #define IXL_DEFAULT_PHY_INT_MASK \
181      ((~(I40E_AQ_EVENT_LINK_UPDOWN | I40E_AQ_EVENT_MODULE_QUAL_FAIL \
182       | I40E_AQ_EVENT_MEDIA_NA)) & 0x3FF)
183 
184 /*** Sysctl help messages; displayed with "sysctl -d" ***/
185 
186 #define IXL_SYSCTL_HELP_SET_ADVERTISE	\
187 "\nControl advertised link speed.\n"	\
188 "Flags:\n"				\
189 "\t 0x1 - advertise 100M\n"		\
190 "\t 0x2 - advertise 1G\n"		\
191 "\t 0x4 - advertise 10G\n"		\
192 "\t 0x8 - advertise 20G\n"		\
193 "\t0x10 - advertise 25G\n"		\
194 "\t0x20 - advertise 40G\n\n"		\
195 "Set to 0 to disable link.\n"		\
196 "Use \"sysctl -x\" to view flags properly."
197 
198 #define IXL_SYSCTL_HELP_SUPPORTED_SPEED	\
199 "\nSupported link speeds.\n"		\
200 "Flags:\n"				\
201 "\t 0x1 - 100M\n"			\
202 "\t 0x2 - 1G\n"				\
203 "\t 0x4 - 10G\n"			\
204 "\t 0x8 - 20G\n"			\
205 "\t0x10 - 25G\n"			\
206 "\t0x20 - 40G\n\n"			\
207 "Use \"sysctl -x\" to view flags properly."
208 
209 #define IXL_SYSCTL_HELP_FC				\
210 "\nSet flow control mode using the values below.\n" 	\
211 "\t0 - off\n" 						\
212 "\t1 - rx pause\n" 					\
213 "\t2 - tx pause\n"					\
214 "\t3 - tx and rx pause"
215 
216 #define IXL_SYSCTL_HELP_LINK_STATUS					\
217 "\nExecutes a \"Get Link Status\" command on the Admin Queue, and displays" \
218 " the response."
219 
220 #define IXL_SYSCTL_HELP_FW_LLDP		\
221 "\nFW LLDP engine:\n"			\
222 "\t0 - disable\n"			\
223 "\t1 - enable\n"
224 
225 #define IXL_SYSCTL_HELP_READ_I2C		\
226 "\nRead a byte from I2C bus\n"			\
227 "Input: 32-bit value\n"				\
228 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
229 "\tbits 8-15:  offset (0-255)\n"		\
230 "\tbits 16-31: unused\n"			\
231 "Output: 8-bit value read"
232 
233 #define IXL_SYSCTL_HELP_WRITE_I2C		\
234 "\nWrite a byte to the I2C bus\n"		\
235 "Input: 32-bit value\n"				\
236 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
237 "\tbits 8-15:  offset (0-255)\n"		\
238 "\tbits 16-23: value to write\n"		\
239 "\tbits 24-31: unused\n"			\
240 "Output: 8-bit value written"
241 
242 #define IXL_SYSCTL_HELP_I2C_METHOD		\
243 "\nI2C access method that driver will use:\n"	\
244 "\t0 - best available method\n"			\
245 "\t1 - bit bang via I2CPARAMS register\n"	\
246 "\t2 - register read/write via I2CCMD register\n" \
247 "\t3 - Use Admin Queue command (best)\n"	\
248 "Using the Admin Queue is only supported on 710 devices with FW version 1.7 or higher"
249 
250 #define IXL_SYSCTL_HELP_VF_LOOPBACK		\
251 "\nDetermines mode that embedded device switch will use when SR-IOV is initialized:\n"	\
252 "\t0 - Disable (VEPA)\n"			\
253 "\t1 - Enable (VEB)\n"				\
254 "Enabling this will allow VFs in separate VMs to communicate over the hardware bridge."
255 
256 MALLOC_DECLARE(M_IXL);
257 
258 /*** Functions / Macros ***/
259 /* Adjust the level here to 10 or over to print stats messages */
260 #define	I40E_VC_DEBUG(p, level, ...)				\
261 	do {							\
262 		if (level < 10)					\
263 			ixl_dbg(p, IXL_DBG_IOV_VC, ##__VA_ARGS__); \
264 	} while (0)
265 
266 #define	i40e_send_vf_nack(pf, vf, op, st) \
267 	ixl_send_vf_nack_msg((pf), (vf), (op), (st), __FILE__, __LINE__)
268 
269 /* Debug printing */
270 #define ixl_dbg(pf, m, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, m, s, ##__VA_ARGS__)
271 #define ixl_dbg_info(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_INFO, s, ##__VA_ARGS__)
272 #define ixl_dbg_filter(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_FILTER, s, ##__VA_ARGS__)
273 #define ixl_dbg_iov(pf, s, ...) ixl_debug_core((pf)->dev, (pf)->dbg_mask, IXL_DBG_IOV, s, ##__VA_ARGS__)
274 
275 /* PF-only function declarations */
276 int	ixl_setup_interface(device_t, struct ixl_pf *);
277 void	ixl_print_nvm_cmd(device_t, struct i40e_nvm_access *);
278 
279 void	ixl_handle_que(void *context, int pending);
280 
281 void	ixl_init(void *);
282 void	ixl_local_timer(void *);
283 void	ixl_register_vlan(void *, struct ifnet *, u16);
284 void	ixl_unregister_vlan(void *, struct ifnet *, u16);
285 int	ixl_intr(void *);
286 int	ixl_msix_que(void *);
287 int	ixl_msix_adminq(void *);
288 void	ixl_do_adminq(void *, int);
289 
290 int	ixl_res_alloc_cmp(const void *, const void *);
291 const char *	ixl_switch_res_type_string(u8);
292 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
293 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
294 
295 void    ixl_media_status(struct ifnet *, struct ifmediareq *);
296 int     ixl_media_change(struct ifnet *);
297 int     ixl_ioctl(struct ifnet *, u_long, caddr_t);
298 
299 void	ixl_enable_queue(struct i40e_hw *, int);
300 void	ixl_disable_queue(struct i40e_hw *, int);
301 void	ixl_enable_intr0(struct i40e_hw *);
302 void	ixl_disable_intr0(struct i40e_hw *);
303 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
304 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
305 		    u64 *, u64 *);
306 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
307 		    u64 *, u64 *);
308 
309 void	ixl_stop(struct ixl_pf *);
310 void	ixl_vsi_add_sysctls(struct ixl_vsi *, const char *, bool);
311 int	ixl_get_hw_capabilities(struct ixl_pf *);
312 void	ixl_link_up_msg(struct ixl_pf *);
313 void    ixl_update_link_status(struct ixl_pf *);
314 int	ixl_setup_stations(struct ixl_pf *);
315 int	ixl_switch_config(struct ixl_pf *);
316 void	ixl_stop_locked(struct ixl_pf *);
317 int	ixl_teardown_hw_structs(struct ixl_pf *);
318 void	ixl_init_locked(struct ixl_pf *);
319 void	ixl_set_rss_key(struct ixl_pf *);
320 void	ixl_set_rss_pctypes(struct ixl_pf *);
321 void	ixl_set_rss_hlut(struct ixl_pf *);
322 int	ixl_setup_adminq_msix(struct ixl_pf *);
323 int	ixl_setup_adminq_tq(struct ixl_pf *);
324 void	ixl_teardown_adminq_msix(struct ixl_pf *);
325 void	ixl_configure_intr0_msix(struct ixl_pf *);
326 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
327 void	ixl_free_adminq_tq(struct ixl_pf *);
328 int	ixl_setup_legacy(struct ixl_pf *);
329 int	ixl_init_msix(struct ixl_pf *);
330 void	ixl_configure_tx_itr(struct ixl_pf *);
331 void	ixl_configure_rx_itr(struct ixl_pf *);
332 void	ixl_configure_itr(struct ixl_pf *);
333 void	ixl_configure_legacy(struct ixl_pf *);
334 void	ixl_free_pci_resources(struct ixl_pf *);
335 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
336 void	ixl_config_rss(struct ixl_pf *);
337 int	ixl_set_advertised_speeds(struct ixl_pf *, int, bool);
338 void	ixl_set_initial_advertised_speeds(struct ixl_pf *);
339 void	ixl_print_nvm_version(struct ixl_pf *pf);
340 void	ixl_add_sysctls_recovery_mode(struct ixl_pf *);
341 void	ixl_add_device_sysctls(struct ixl_pf *);
342 void	ixl_handle_mdd_event(struct ixl_pf *);
343 void	ixl_add_hw_stats(struct ixl_pf *);
344 void	ixl_update_stats_counters(struct ixl_pf *);
345 void	ixl_pf_reset_stats(struct ixl_pf *);
346 void	ixl_get_bus_info(struct ixl_pf *pf);
347 int	ixl_aq_get_link_status(struct ixl_pf *,
348     struct i40e_aqc_get_link_status *);
349 
350 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
351 int	ixl_handle_i2c_eeprom_read_cmd(struct ixl_pf *, struct ifreq *ifr);
352 
353 int	ixl_setup_hmc(struct ixl_pf *);
354 void	ixl_shutdown_hmc(struct ixl_pf *);
355 void	ixl_handle_empr_reset(struct ixl_pf *);
356 int	ixl_prepare_for_reset(struct ixl_pf *pf, bool is_up);
357 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *, bool is_up);
358 int	ixl_pf_reset(struct ixl_pf *);
359 
360 void	ixl_set_queue_rx_itr(struct ixl_rx_queue *);
361 void	ixl_set_queue_tx_itr(struct ixl_tx_queue *);
362 
363 void	ixl_add_filter(struct ixl_vsi *, const u8 *, s16 vlan);
364 void	ixl_del_filter(struct ixl_vsi *, const u8 *, s16 vlan);
365 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
366 
367 int	ixl_disable_rings(struct ixl_pf *, struct ixl_vsi *, struct ixl_pf_qtag *);
368 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
369 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
370 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
371 
372 int	ixl_enable_rings(struct ixl_vsi *);
373 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
374 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
375 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
376 
377 void	ixl_update_eth_stats(struct ixl_vsi *);
378 void	ixl_cap_txcsum_tso(struct ixl_vsi *, struct ifnet *, int);
379 int	ixl_initialize_vsi(struct ixl_vsi *);
380 void	ixl_add_ifmedia(struct ifmedia *, u64);
381 int	ixl_setup_queue_msix(struct ixl_vsi *);
382 int	ixl_setup_queue_tqs(struct ixl_vsi *);
383 int	ixl_teardown_queue_msix(struct ixl_vsi *);
384 void	ixl_free_queue_tqs(struct ixl_vsi *);
385 void	ixl_enable_intr(struct ixl_vsi *);
386 void	ixl_disable_rings_intr(struct ixl_vsi *);
387 void	ixl_set_promisc(struct ixl_vsi *);
388 void	ixl_add_multi(struct ixl_vsi *);
389 int	ixl_del_multi(struct ixl_vsi *);
390 void	ixl_setup_vlan_filters(struct ixl_vsi *);
391 void	ixl_init_filters(struct ixl_vsi *);
392 void	ixl_add_hw_filters(struct ixl_vsi *, int, int);
393 void	ixl_del_hw_filters(struct ixl_vsi *, int);
394 void	ixl_del_default_hw_filters(struct ixl_vsi *);
395 struct ixl_mac_filter *
396 		ixl_find_filter(struct ixl_vsi *, const u8 *, s16);
397 void	ixl_add_mc_filter(struct ixl_vsi *, u8 *);
398 void	ixl_free_mac_filters(struct ixl_vsi *vsi);
399 void	ixl_update_vsi_stats(struct ixl_vsi *);
400 void	ixl_vsi_reset_stats(struct ixl_vsi *);
401 
402 void	ixl_vsi_free_queues(struct ixl_vsi *vsi);
403 
404 void	 ixl_if_init(if_ctx_t ctx);
405 void	 ixl_if_stop(if_ctx_t ctx);
406 
407 /*
408  * I2C Function prototypes
409  */
410 int	ixl_find_i2c_interface(struct ixl_pf *);
411 s32	ixl_read_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
412 	    u8 dev_addr, u8 *data);
413 s32	ixl_write_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
414 	    u8 dev_addr, u8 data);
415 s32	ixl_read_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
416 	    u8 dev_addr, u8 *data);
417 s32	ixl_write_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
418 	    u8 dev_addr, u8 data);
419 s32	ixl_read_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
420 	    u8 dev_addr, u8 *data);
421 s32	ixl_write_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
422 	    u8 dev_addr, u8 data);
423 
424 u64	ixl_max_aq_speed_to_value(u8);
425 int	ixl_attach_get_link_status(struct ixl_pf *);
426 int	ixl_sysctl_set_flowcntl(SYSCTL_HANDLER_ARGS);
427 
428 #endif /* _IXL_PF_H_ */
429