xref: /freebsd/sys/dev/e1000/e1000_vf.h (revision 6574b8ed19b093f0af09501d2c9676c28993cb97)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2014, 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 #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