xref: /freebsd/sys/dev/ixl/ixl_pf.h (revision c697fb7f)
1 /******************************************************************************
2 
3   Copyright (c) 2013-2018, Intel Corporation
4   All rights reserved.
5 
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18       this software without specific prior written permission.
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 
36 #ifndef _IXL_PF_H_
37 #define _IXL_PF_H_
38 
39 #include "ixl.h"
40 #include "ixl_pf_qmgr.h"
41 
42 #define	VF_FLAG_ENABLED			0x01
43 #define	VF_FLAG_SET_MAC_CAP		0x02
44 #define	VF_FLAG_VLAN_CAP		0x04
45 #define	VF_FLAG_PROMISC_CAP		0x08
46 #define	VF_FLAG_MAC_ANTI_SPOOF		0x10
47 
48 #define IXL_ICR0_CRIT_ERR_MASK 			\
49     (I40E_PFINT_ICR0_PCI_EXCEPTION_MASK | 	\
50      I40E_PFINT_ICR0_ECC_ERR_MASK | 		\
51      I40E_PFINT_ICR0_PE_CRITERR_MASK)
52 
53 /* VF Interrupts */
54 #define IXL_VPINT_LNKLSTN_REG(hw, vector, vf_num) \
55 	I40E_VPINT_LNKLSTN(((vector) - 1) + \
56 	    (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num)))
57 
58 #define IXL_VFINT_DYN_CTLN_REG(hw, vector, vf_num) \
59 	I40E_VFINT_DYN_CTLN(((vector) - 1) + \
60 	    (((hw)->func_caps.num_msix_vectors_vf - 1) * (vf_num)))
61 
62 /* Used in struct ixl_pf's state field */
63 enum ixl_pf_state {
64 	IXL_PF_STATE_ADAPTER_RESETTING	= (1 << 0),
65 	IXL_PF_STATE_MDD_PENDING	= (1 << 1),
66 	IXL_PF_STATE_PF_RESET_REQ	= (1 << 2),
67 	IXL_PF_STATE_VF_RESET_REQ	= (1 << 3),
68 	IXL_PF_STATE_PF_CRIT_ERR	= (1 << 4),
69 	IXL_PF_STATE_CORE_RESET_REQ	= (1 << 5),
70 	IXL_PF_STATE_GLOB_RESET_REQ	= (1 << 6),
71 	IXL_PF_STATE_EMP_RESET_REQ	= (1 << 7),
72 	IXL_PF_STATE_FW_LLDP_DISABLED	= (1 << 8),
73 };
74 
75 struct ixl_vf {
76 	struct ixl_vsi		vsi;
77 	u32			vf_flags;
78 	u32			num_mdd_events;
79 
80 	u8			mac[ETHER_ADDR_LEN];
81 	u16			vf_num;
82 	u32			version;
83 
84 	struct ixl_pf_qtag	qtag;
85 	struct sysctl_ctx_list	ctx;
86 };
87 
88 /* Physical controller structure */
89 struct ixl_pf {
90 	struct ixl_vsi		vsi;
91 
92 	struct i40e_hw		hw;
93 	struct i40e_osdep	osdep;
94 	device_t		dev;
95 
96 	struct resource		*pci_mem;
97 
98 #ifdef IXL_IW
99 	int			iw_msix;
100 	bool			iw_enabled;
101 #endif
102 	u32			state;
103 	u8			supported_speeds;
104 
105 	struct ixl_pf_qmgr	qmgr;
106 	struct ixl_pf_qtag	qtag;
107 
108 	/* Tunable values */
109 	bool			enable_tx_fc_filter;
110 	int			dynamic_rx_itr;
111 	int			dynamic_tx_itr;
112 	int			tx_itr;
113 	int			rx_itr;
114 	int			enable_vf_loopback;
115 
116 	bool			link_up;
117 	int			advertised_speed;
118 	int			fc; /* link flow ctrl setting */
119 	enum ixl_dbg_mask	dbg_mask;
120 	bool			has_i2c;
121 
122 	/* Misc stats maintained by the driver */
123 	u64			admin_irq;
124 
125 	/* Statistics from hw */
126 	struct i40e_hw_port_stats 	stats;
127 	struct i40e_hw_port_stats	stats_offsets;
128 	bool 				stat_offsets_loaded;
129 
130 	/* I2C access methods */
131 	u8			i2c_access_method;
132 	s32	(*read_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
133 	    u8 dev_addr, u8 *data);
134 	s32	(*write_i2c_byte)(struct ixl_pf *pf, u8 byte_offset,
135 	    u8 dev_addr, u8 data);
136 
137 	/* SR-IOV */
138 	struct ixl_vf		*vfs;
139 	int			num_vfs;
140 	uint16_t		veb_seid;
141 };
142 
143 /*
144  * Defines used for NVM update ioctls.
145  * This value is used in the Solaris tool, too.
146  */
147 #define I40E_NVM_ACCESS \
148      (((((((('E' << 4) + '1') << 4) + 'K') << 4) + 'G') << 4) | 5)
149 
150 #define IXL_DEFAULT_PHY_INT_MASK \
151      ((~(I40E_AQ_EVENT_LINK_UPDOWN | I40E_AQ_EVENT_MODULE_QUAL_FAIL \
152       | I40E_AQ_EVENT_MEDIA_NA)) & 0x3FF)
153 
154 /*** Sysctl help messages; displayed with "sysctl -d" ***/
155 
156 #define IXL_SYSCTL_HELP_SET_ADVERTISE	\
157 "\nControl advertised link speed.\n"	\
158 "Flags:\n"				\
159 "\t 0x1 - advertise 100M\n"		\
160 "\t 0x2 - advertise 1G\n"		\
161 "\t 0x4 - advertise 10G\n"		\
162 "\t 0x8 - advertise 20G\n"		\
163 "\t0x10 - advertise 25G\n"		\
164 "\t0x20 - advertise 40G\n\n"		\
165 "Set to 0 to disable link.\n"		\
166 "Use \"sysctl -x\" to view flags properly."
167 
168 #define IXL_SYSCTL_HELP_SUPPORTED_SPEED	\
169 "\nSupported link speeds.\n"		\
170 "Flags:\n"				\
171 "\t 0x1 - 100M\n"			\
172 "\t 0x2 - 1G\n"				\
173 "\t 0x4 - 10G\n"			\
174 "\t 0x8 - 20G\n"			\
175 "\t0x10 - 25G\n"			\
176 "\t0x20 - 40G\n\n"			\
177 "Use \"sysctl -x\" to view flags properly."
178 
179 #define IXL_SYSCTL_HELP_FC				\
180 "\nSet flow control mode using the values below.\n" 	\
181 "\t0 - off\n" 						\
182 "\t1 - rx pause\n" 					\
183 "\t2 - tx pause\n"					\
184 "\t3 - tx and rx pause"
185 
186 #define IXL_SYSCTL_HELP_LINK_STATUS					\
187 "\nExecutes a \"Get Link Status\" command on the Admin Queue, and displays" \
188 " the response."
189 
190 #define IXL_SYSCTL_HELP_FW_LLDP		\
191 "\nFW LLDP engine:\n"			\
192 "\t0 - disable\n"			\
193 "\t1 - enable\n"
194 
195 #define IXL_SYSCTL_HELP_READ_I2C		\
196 "\nRead a byte from I2C bus\n"			\
197 "Input: 32-bit value\n"				\
198 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
199 "\tbits 8-15:  offset (0-255)\n"		\
200 "\tbits 16-31: unused\n"			\
201 "Output: 8-bit value read"
202 
203 #define IXL_SYSCTL_HELP_WRITE_I2C		\
204 "\nWrite a byte to the I2C bus\n"		\
205 "Input: 32-bit value\n"				\
206 "\tbits 0-7:   device address (0xA0 or 0xA2)\n"	\
207 "\tbits 8-15:  offset (0-255)\n"		\
208 "\tbits 16-23: value to write\n"		\
209 "\tbits 24-31: unused\n"			\
210 "Output: 8-bit value written"
211 
212 #define IXL_SYSCTL_HELP_I2C_METHOD		\
213 "\nI2C access method that driver will use:\n"	\
214 "\t0 - best available method\n"			\
215 "\t1 - bit bang via I2CPARAMS register\n"	\
216 "\t2 - register read/write via I2CCMD register\n" \
217 "\t3 - Use Admin Queue command (best)\n"	\
218 "Using the Admin Queue is only supported on 710 devices with FW version 1.7 or higher"
219 
220 #define IXL_SYSCTL_HELP_VF_LOOPBACK		\
221 "\nDetermines mode that embedded device switch will use when SR-IOV is initialized:\n"	\
222 "\t0 - Disable (VEPA)\n"			\
223 "\t1 - Enable (VEB)\n"				\
224 "Enabling this will allow VFs in separate VMs to communicate over the hardware bridge."
225 
226 extern const char * const ixl_fc_string[6];
227 
228 MALLOC_DECLARE(M_IXL);
229 
230 /*** Functions / Macros ***/
231 /* Adjust the level here to 10 or over to print stats messages */
232 #define	I40E_VC_DEBUG(p, level, ...)				\
233 	do {							\
234 		if (level < 10)					\
235 			ixl_dbg(p, IXL_DBG_IOV_VC, ##__VA_ARGS__); \
236 	} while (0)
237 
238 #define	i40e_send_vf_nack(pf, vf, op, st) \
239 	ixl_send_vf_nack_msg((pf), (vf), (op), (st), __FILE__, __LINE__)
240 
241 /* Debug printing */
242 #define ixl_dbg(pf, m, s, ...) ixl_debug_core(pf->dev, pf->dbg_mask, m, s, ##__VA_ARGS__)
243 #define ixl_dbg_info(pf, s, ...) ixl_debug_core(pf->dev, pf->dbg_mask, IXL_DBG_INFO, s, ##__VA_ARGS__)
244 #define ixl_dbg_filter(pf, s, ...) ixl_debug_core(pf->dev, pf->dbg_mask, IXL_DBG_FILTER, s, ##__VA_ARGS__)
245 #define ixl_dbg_iov(pf, s, ...) ixl_debug_core(pf->dev, pf->dbg_mask, IXL_DBG_IOV, s, ##__VA_ARGS__)
246 
247 /* PF-only function declarations */
248 int	ixl_setup_interface(device_t, struct ixl_pf *);
249 void	ixl_print_nvm_cmd(device_t, struct i40e_nvm_access *);
250 char *	ixl_aq_speed_to_str(enum i40e_aq_link_speed);
251 
252 void	ixl_handle_que(void *context, int pending);
253 
254 void	ixl_init(void *);
255 void	ixl_local_timer(void *);
256 void	ixl_register_vlan(void *, struct ifnet *, u16);
257 void	ixl_unregister_vlan(void *, struct ifnet *, u16);
258 int	ixl_intr(void *);
259 int	ixl_msix_que(void *);
260 int	ixl_msix_adminq(void *);
261 void	ixl_do_adminq(void *, int);
262 
263 int	ixl_res_alloc_cmp(const void *, const void *);
264 char *	ixl_switch_res_type_string(u8);
265 char *	ixl_switch_element_string(struct sbuf *,
266 	    struct i40e_aqc_switch_config_element_resp *);
267 void	ixl_add_sysctls_mac_stats(struct sysctl_ctx_list *,
268 		    struct sysctl_oid_list *, struct i40e_hw_port_stats *);
269 
270 void    ixl_media_status(struct ifnet *, struct ifmediareq *);
271 int     ixl_media_change(struct ifnet *);
272 int     ixl_ioctl(struct ifnet *, u_long, caddr_t);
273 
274 void	ixl_enable_queue(struct i40e_hw *, int);
275 void	ixl_disable_queue(struct i40e_hw *, int);
276 void	ixl_enable_intr0(struct i40e_hw *);
277 void	ixl_disable_intr0(struct i40e_hw *);
278 void	ixl_nvm_version_str(struct i40e_hw *hw, struct sbuf *buf);
279 void	ixl_stat_update48(struct i40e_hw *, u32, u32, bool,
280 		    u64 *, u64 *);
281 void	ixl_stat_update32(struct i40e_hw *, u32, bool,
282 		    u64 *, u64 *);
283 
284 void	ixl_stop(struct ixl_pf *);
285 int	ixl_get_hw_capabilities(struct ixl_pf *);
286 void	ixl_link_up_msg(struct ixl_pf *);
287 void    ixl_update_link_status(struct ixl_pf *);
288 int	ixl_setup_stations(struct ixl_pf *);
289 int	ixl_switch_config(struct ixl_pf *);
290 void	ixl_stop_locked(struct ixl_pf *);
291 int	ixl_teardown_hw_structs(struct ixl_pf *);
292 int	ixl_reset(struct ixl_pf *);
293 void	ixl_init_locked(struct ixl_pf *);
294 void	ixl_set_rss_key(struct ixl_pf *);
295 void	ixl_set_rss_pctypes(struct ixl_pf *);
296 void	ixl_set_rss_hlut(struct ixl_pf *);
297 int	ixl_setup_adminq_msix(struct ixl_pf *);
298 int	ixl_setup_adminq_tq(struct ixl_pf *);
299 int	ixl_teardown_adminq_msix(struct ixl_pf *);
300 void	ixl_configure_intr0_msix(struct ixl_pf *);
301 void	ixl_configure_queue_intr_msix(struct ixl_pf *);
302 void	ixl_free_adminq_tq(struct ixl_pf *);
303 int	ixl_setup_legacy(struct ixl_pf *);
304 int	ixl_init_msix(struct ixl_pf *);
305 void	ixl_configure_itr(struct ixl_pf *);
306 void	ixl_configure_legacy(struct ixl_pf *);
307 void	ixl_free_pci_resources(struct ixl_pf *);
308 void	ixl_link_event(struct ixl_pf *, struct i40e_arq_event_info *);
309 void	ixl_config_rss(struct ixl_pf *);
310 int	ixl_set_advertised_speeds(struct ixl_pf *, int, bool);
311 void	ixl_set_initial_advertised_speeds(struct ixl_pf *);
312 void	ixl_print_nvm_version(struct ixl_pf *pf);
313 void	ixl_add_device_sysctls(struct ixl_pf *);
314 void	ixl_handle_mdd_event(struct ixl_pf *);
315 void	ixl_add_hw_stats(struct ixl_pf *);
316 void	ixl_update_stats_counters(struct ixl_pf *);
317 void	ixl_pf_reset_stats(struct ixl_pf *);
318 void	ixl_get_bus_info(struct ixl_pf *pf);
319 int	ixl_aq_get_link_status(struct ixl_pf *,
320     struct i40e_aqc_get_link_status *);
321 
322 int	ixl_handle_nvmupd_cmd(struct ixl_pf *, struct ifdrv *);
323 void	ixl_handle_empr_reset(struct ixl_pf *);
324 int	ixl_prepare_for_reset(struct ixl_pf *pf, bool is_up);
325 int	ixl_rebuild_hw_structs_after_reset(struct ixl_pf *);
326 
327 void	ixl_set_queue_rx_itr(struct ixl_rx_queue *);
328 void	ixl_set_queue_tx_itr(struct ixl_tx_queue *);
329 
330 void	ixl_add_filter(struct ixl_vsi *, const u8 *, s16 vlan);
331 void	ixl_del_filter(struct ixl_vsi *, const u8 *, s16 vlan);
332 void	ixl_reconfigure_filters(struct ixl_vsi *vsi);
333 
334 int	ixl_disable_rings(struct ixl_pf *, struct ixl_vsi *, struct ixl_pf_qtag *);
335 int	ixl_disable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
336 int	ixl_disable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
337 int	ixl_disable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
338 
339 int	ixl_enable_rings(struct ixl_vsi *);
340 int	ixl_enable_tx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
341 int	ixl_enable_rx_ring(struct ixl_pf *, struct ixl_pf_qtag *, u16);
342 int	ixl_enable_ring(struct ixl_pf *pf, struct ixl_pf_qtag *, u16);
343 
344 void	ixl_update_eth_stats(struct ixl_vsi *);
345 void	ixl_cap_txcsum_tso(struct ixl_vsi *, struct ifnet *, int);
346 int	ixl_initialize_vsi(struct ixl_vsi *);
347 void	ixl_add_ifmedia(struct ixl_vsi *, u64);
348 int	ixl_setup_queue_msix(struct ixl_vsi *);
349 int	ixl_setup_queue_tqs(struct ixl_vsi *);
350 int	ixl_teardown_queue_msix(struct ixl_vsi *);
351 void	ixl_free_queue_tqs(struct ixl_vsi *);
352 void	ixl_enable_intr(struct ixl_vsi *);
353 void	ixl_disable_rings_intr(struct ixl_vsi *);
354 void	ixl_set_promisc(struct ixl_vsi *);
355 void	ixl_add_multi(struct ixl_vsi *);
356 int	ixl_del_multi(struct ixl_vsi *);
357 void	ixl_setup_vlan_filters(struct ixl_vsi *);
358 void	ixl_init_filters(struct ixl_vsi *);
359 void	ixl_add_hw_filters(struct ixl_vsi *, int, int);
360 void	ixl_del_hw_filters(struct ixl_vsi *, int);
361 void	ixl_del_default_hw_filters(struct ixl_vsi *);
362 struct ixl_mac_filter *
363 		ixl_find_filter(struct ixl_vsi *, const u8 *, s16);
364 void	ixl_add_mc_filter(struct ixl_vsi *, u8 *);
365 void	ixl_free_mac_filters(struct ixl_vsi *vsi);
366 void	ixl_update_vsi_stats(struct ixl_vsi *);
367 void	ixl_vsi_reset_stats(struct ixl_vsi *);
368 
369 void	ixl_vsi_free_queues(struct ixl_vsi *vsi);
370 
371 void	 ixl_if_init(if_ctx_t ctx);
372 void	 ixl_if_stop(if_ctx_t ctx);
373 
374 /*
375  * I2C Function prototypes
376  */
377 int	ixl_find_i2c_interface(struct ixl_pf *);
378 s32	ixl_read_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
379 	    u8 dev_addr, u8 *data);
380 s32	ixl_write_i2c_byte_bb(struct ixl_pf *pf, u8 byte_offset,
381 	    u8 dev_addr, u8 data);
382 s32	ixl_read_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
383 	    u8 dev_addr, u8 *data);
384 s32	ixl_write_i2c_byte_reg(struct ixl_pf *pf, u8 byte_offset,
385 	    u8 dev_addr, u8 data);
386 s32	ixl_read_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
387 	    u8 dev_addr, u8 *data);
388 s32	ixl_write_i2c_byte_aq(struct ixl_pf *pf, u8 byte_offset,
389 	    u8 dev_addr, u8 data);
390 
391 int	ixl_get_fw_lldp_status(struct ixl_pf *pf);
392 int	ixl_attach_get_link_status(struct ixl_pf *);
393 u64		ixl_max_aq_speed_to_value(u8);
394 
395 #endif /* _IXL_PF_H_ */
396