xref: /freebsd/sys/dev/e1000/e1000_vf.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2014, Intel Corporation
4   All rights reserved.
5 
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32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 #ifndef _E1000_VF_H_
36 #define _E1000_VF_H_
37 
38 #include "e1000_osdep.h"
39 #include "e1000_regs.h"
40 #include "e1000_defines.h"
41 
42 struct e1000_hw;
43 
44 #define E1000_DEV_ID_82576_VF		0x10CA
45 #define E1000_DEV_ID_I350_VF		0x1520
46 
47 #define E1000_VF_INIT_TIMEOUT		200 /* Num of retries to clear RSTI */
48 
49 /* Additional Descriptor Control definitions */
50 #define E1000_TXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Tx Queue */
51 #define E1000_RXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Rx Queue */
52 
53 /* SRRCTL bit definitions */
54 #define E1000_SRRCTL(_n)	((_n) < 4 ? (0x0280C + ((_n) * 0x100)) : \
55 				 (0x0C00C + ((_n) * 0x40)))
56 #define E1000_SRRCTL_BSIZEPKT_SHIFT		10 /* Shift _right_ */
57 #define E1000_SRRCTL_BSIZEHDRSIZE_MASK		0x00000F00
58 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT		2  /* Shift _left_ */
59 #define E1000_SRRCTL_DESCTYPE_LEGACY		0x00000000
60 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF	0x02000000
61 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT		0x04000000
62 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS	0x0A000000
63 #define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION	0x06000000
64 #define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
65 #define E1000_SRRCTL_DESCTYPE_MASK		0x0E000000
66 #define E1000_SRRCTL_DROP_EN			0x80000000
67 
68 #define E1000_SRRCTL_BSIZEPKT_MASK	0x0000007F
69 #define E1000_SRRCTL_BSIZEHDR_MASK	0x00003F00
70 
71 /* Interrupt Defines */
72 #define E1000_EICR		0x01580 /* Ext. Interrupt Cause Read - R/clr */
73 #define E1000_EITR(_n)		(0x01680 + ((_n) << 2))
74 #define E1000_EICS		0x01520 /* Ext. Intr Cause Set -W0 */
75 #define E1000_EIMS		0x01524 /* Ext. Intr Mask Set/Read -RW */
76 #define E1000_EIMC		0x01528 /* Ext. Intr Mask Clear -WO */
77 #define E1000_EIAC		0x0152C /* Ext. Intr Auto Clear -RW */
78 #define E1000_EIAM		0x01530 /* Ext. Intr Ack Auto Clear Mask -RW */
79 #define E1000_IVAR0		0x01700 /* Intr Vector Alloc (array) -RW */
80 #define E1000_IVAR_MISC		0x01740 /* IVAR for "other" causes -RW */
81 #define E1000_IVAR_VALID	0x80
82 
83 /* Receive Descriptor - Advanced */
84 union e1000_adv_rx_desc {
85 	struct {
86 		u64 pkt_addr; /* Packet buffer address */
87 		u64 hdr_addr; /* Header buffer address */
88 	} read;
89 	struct {
90 		struct {
91 			union {
92 				u32 data;
93 				struct {
94 					/* RSS type, Packet type */
95 					u16 pkt_info;
96 					/* Split Header, header buffer len */
97 					u16 hdr_info;
98 				} hs_rss;
99 			} lo_dword;
100 			union {
101 				u32 rss; /* RSS Hash */
102 				struct {
103 					u16 ip_id; /* IP id */
104 					u16 csum; /* Packet Checksum */
105 				} csum_ip;
106 			} hi_dword;
107 		} lower;
108 		struct {
109 			u32 status_error; /* ext status/error */
110 			u16 length; /* Packet length */
111 			u16 vlan; /* VLAN tag */
112 		} upper;
113 	} wb;  /* writeback */
114 };
115 
116 #define E1000_RXDADV_HDRBUFLEN_MASK	0x7FE0
117 #define E1000_RXDADV_HDRBUFLEN_SHIFT	5
118 
119 /* Transmit Descriptor - Advanced */
120 union e1000_adv_tx_desc {
121 	struct {
122 		u64 buffer_addr;    /* Address of descriptor's data buf */
123 		u32 cmd_type_len;
124 		u32 olinfo_status;
125 	} read;
126 	struct {
127 		u64 rsvd;       /* Reserved */
128 		u32 nxtseq_seed;
129 		u32 status;
130 	} wb;
131 };
132 
133 /* Adv Transmit Descriptor Config Masks */
134 #define E1000_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Descriptor */
135 #define E1000_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
136 #define E1000_ADVTXD_DCMD_EOP	0x01000000 /* End of Packet */
137 #define E1000_ADVTXD_DCMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
138 #define E1000_ADVTXD_DCMD_RS	0x08000000 /* Report Status */
139 #define E1000_ADVTXD_DCMD_DEXT	0x20000000 /* Descriptor extension (1=Adv) */
140 #define E1000_ADVTXD_DCMD_VLE	0x40000000 /* VLAN pkt enable */
141 #define E1000_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
142 #define E1000_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
143 
144 /* Context descriptors */
145 struct e1000_adv_tx_context_desc {
146 	u32 vlan_macip_lens;
147 	u32 seqnum_seed;
148 	u32 type_tucmd_mlhl;
149 	u32 mss_l4len_idx;
150 };
151 
152 #define E1000_ADVTXD_MACLEN_SHIFT	9  /* Adv ctxt desc mac len shift */
153 #define E1000_ADVTXD_TUCMD_IPV4		0x00000400  /* IP Packet Type: 1=IPv4 */
154 #define E1000_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet TYPE of TCP */
155 #define E1000_ADVTXD_L4LEN_SHIFT	8  /* Adv ctxt L4LEN shift */
156 #define E1000_ADVTXD_MSS_SHIFT		16  /* Adv ctxt MSS shift */
157 
158 enum e1000_mac_type {
159 	e1000_undefined = 0,
160 	e1000_vfadapt,
161 	e1000_vfadapt_i350,
162 	e1000_num_macs  /* List is 1-based, so subtract 1 for TRUE count. */
163 };
164 
165 struct e1000_vf_stats {
166 	u64 base_gprc;
167 	u64 base_gptc;
168 	u64 base_gorc;
169 	u64 base_gotc;
170 	u64 base_mprc;
171 	u64 base_gotlbc;
172 	u64 base_gptlbc;
173 	u64 base_gorlbc;
174 	u64 base_gprlbc;
175 
176 	u32 last_gprc;
177 	u32 last_gptc;
178 	u32 last_gorc;
179 	u32 last_gotc;
180 	u32 last_mprc;
181 	u32 last_gotlbc;
182 	u32 last_gptlbc;
183 	u32 last_gorlbc;
184 	u32 last_gprlbc;
185 
186 	u64 gprc;
187 	u64 gptc;
188 	u64 gorc;
189 	u64 gotc;
190 	u64 mprc;
191 	u64 gotlbc;
192 	u64 gptlbc;
193 	u64 gorlbc;
194 	u64 gprlbc;
195 };
196 
197 #include "e1000_mbx.h"
198 
199 struct e1000_mac_operations {
200 	/* Function pointers for the MAC. */
201 	s32  (*init_params)(struct e1000_hw *);
202 	s32  (*check_for_link)(struct e1000_hw *);
203 	void (*clear_vfta)(struct e1000_hw *);
204 	s32  (*get_bus_info)(struct e1000_hw *);
205 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
206 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
207 	s32  (*reset_hw)(struct e1000_hw *);
208 	s32  (*init_hw)(struct e1000_hw *);
209 	s32  (*setup_link)(struct e1000_hw *);
210 	void (*write_vfta)(struct e1000_hw *, u32, u32);
211 	int  (*rar_set)(struct e1000_hw *, u8*, u32);
212 	s32  (*read_mac_addr)(struct e1000_hw *);
213 };
214 
215 struct e1000_mac_info {
216 	struct e1000_mac_operations ops;
217 	u8 addr[6];
218 	u8 perm_addr[6];
219 
220 	enum e1000_mac_type type;
221 
222 	u16 mta_reg_count;
223 	u16 rar_entry_count;
224 
225 	bool get_link_status;
226 };
227 
228 struct e1000_mbx_operations {
229 	s32 (*init_params)(struct e1000_hw *hw);
230 	s32 (*read)(struct e1000_hw *, u32 *, u16,  u16);
231 	s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
232 	s32 (*read_posted)(struct e1000_hw *, u32 *, u16,  u16);
233 	s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
234 	s32 (*check_for_msg)(struct e1000_hw *, u16);
235 	s32 (*check_for_ack)(struct e1000_hw *, u16);
236 	s32 (*check_for_rst)(struct e1000_hw *, u16);
237 };
238 
239 struct e1000_mbx_stats {
240 	u32 msgs_tx;
241 	u32 msgs_rx;
242 
243 	u32 acks;
244 	u32 reqs;
245 	u32 rsts;
246 };
247 
248 struct e1000_mbx_info {
249 	struct e1000_mbx_operations ops;
250 	struct e1000_mbx_stats stats;
251 	u32 timeout;
252 	u32 usec_delay;
253 	u16 size;
254 };
255 
256 struct e1000_dev_spec_vf {
257 	u32 vf_number;
258 	u32 v2p_mailbox;
259 };
260 
261 struct e1000_hw {
262 	void *back;
263 
264 	u8 *hw_addr;
265 	u8 *flash_address;
266 	unsigned long io_base;
267 
268 	struct e1000_mac_info  mac;
269 	struct e1000_mbx_info mbx;
270 
271 	union {
272 		struct e1000_dev_spec_vf vf;
273 	} dev_spec;
274 
275 	u16 device_id;
276 	u16 subsystem_vendor_id;
277 	u16 subsystem_device_id;
278 	u16 vendor_id;
279 
280 	u8  revision_id;
281 };
282 
283 enum e1000_promisc_type {
284 	e1000_promisc_disabled = 0,   /* all promisc modes disabled */
285 	e1000_promisc_unicast = 1,    /* unicast promiscuous enabled */
286 	e1000_promisc_multicast = 2,  /* multicast promiscuous enabled */
287 	e1000_promisc_enabled = 3,    /* both uni and multicast promisc */
288 	e1000_num_promisc_types
289 };
290 
291 /* These functions must be implemented by drivers */
292 s32  e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
293 void e1000_vfta_set_vf(struct e1000_hw *, u16, bool);
294 void e1000_rlpml_set_vf(struct e1000_hw *, u16);
295 s32 e1000_promisc_set_vf(struct e1000_hw *, enum e1000_promisc_type);
296 #endif /* _E1000_VF_H_ */
297