xref: /freebsd/sys/dev/e1000/e1000_vf.h (revision 42249ef2)
1 /******************************************************************************
2   SPDX-License-Identifier: BSD-3-Clause
3 
4   Copyright (c) 2001-2015, Intel Corporation
5   All rights reserved.
6 
7   Redistribution and use in source and binary forms, with or without
8   modification, are permitted provided that the following conditions are met:
9 
10    1. Redistributions of source code must retain the above copyright notice,
11       this list of conditions and the following disclaimer.
12 
13    2. Redistributions in binary form must reproduce the above copyright
14       notice, this list of conditions and the following disclaimer in the
15       documentation and/or other materials provided with the distribution.
16 
17    3. Neither the name of the Intel Corporation nor the names of its
18       contributors may be used to endorse or promote products derived from
19       this software without specific prior written permission.
20 
21   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31   POSSIBILITY OF SUCH DAMAGE.
32 
33 ******************************************************************************/
34 /*$FreeBSD$*/
35 
36 #ifndef _E1000_VF_H_
37 #define _E1000_VF_H_
38 
39 #include "e1000_osdep.h"
40 #include "e1000_regs.h"
41 #include "e1000_defines.h"
42 
43 struct e1000_hw;
44 
45 #define E1000_DEV_ID_82576_VF		0x10CA
46 #define E1000_DEV_ID_I350_VF		0x1520
47 
48 #define E1000_VF_INIT_TIMEOUT		200 /* Num of retries to clear RSTI */
49 
50 /* Additional Descriptor Control definitions */
51 #define E1000_TXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Tx Queue */
52 #define E1000_RXDCTL_QUEUE_ENABLE	0x02000000 /* Ena specific Rx Queue */
53 
54 /* SRRCTL bit definitions */
55 #define E1000_SRRCTL(_n)	((_n) < 4 ? (0x0280C + ((_n) * 0x100)) : \
56 				 (0x0C00C + ((_n) * 0x40)))
57 #define E1000_SRRCTL_BSIZEPKT_SHIFT		10 /* Shift _right_ */
58 #define E1000_SRRCTL_BSIZEHDRSIZE_MASK		0x00000F00
59 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT		2  /* Shift _left_ */
60 #define E1000_SRRCTL_DESCTYPE_LEGACY		0x00000000
61 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF	0x02000000
62 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT		0x04000000
63 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS	0x0A000000
64 #define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION	0x06000000
65 #define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
66 #define E1000_SRRCTL_DESCTYPE_MASK		0x0E000000
67 #define E1000_SRRCTL_DROP_EN			0x80000000
68 
69 #define E1000_SRRCTL_BSIZEPKT_MASK	0x0000007F
70 #define E1000_SRRCTL_BSIZEHDR_MASK	0x00003F00
71 
72 /* Interrupt Defines */
73 #define E1000_EICR		0x01580 /* Ext. Interrupt Cause Read - R/clr */
74 #define E1000_EITR(_n)		(0x01680 + ((_n) << 2))
75 #define E1000_EICS		0x01520 /* Ext. Intr Cause Set -W0 */
76 #define E1000_EIMS		0x01524 /* Ext. Intr Mask Set/Read -RW */
77 #define E1000_EIMC		0x01528 /* Ext. Intr Mask Clear -WO */
78 #define E1000_EIAC		0x0152C /* Ext. Intr Auto Clear -RW */
79 #define E1000_EIAM		0x01530 /* Ext. Intr Ack Auto Clear Mask -RW */
80 #define E1000_IVAR0		0x01700 /* Intr Vector Alloc (array) -RW */
81 #define E1000_IVAR_MISC		0x01740 /* IVAR for "other" causes -RW */
82 #define E1000_IVAR_VALID	0x80
83 
84 /* Receive Descriptor - Advanced */
85 union e1000_adv_rx_desc {
86 	struct {
87 		u64 pkt_addr; /* Packet buffer address */
88 		u64 hdr_addr; /* Header buffer address */
89 	} read;
90 	struct {
91 		struct {
92 			union {
93 				u32 data;
94 				struct {
95 					/* RSS type, Packet type */
96 					u16 pkt_info;
97 					/* Split Header, header buffer len */
98 					u16 hdr_info;
99 				} hs_rss;
100 			} lo_dword;
101 			union {
102 				u32 rss; /* RSS Hash */
103 				struct {
104 					u16 ip_id; /* IP id */
105 					u16 csum; /* Packet Checksum */
106 				} csum_ip;
107 			} hi_dword;
108 		} lower;
109 		struct {
110 			u32 status_error; /* ext status/error */
111 			u16 length; /* Packet length */
112 			u16 vlan; /* VLAN tag */
113 		} upper;
114 	} wb;  /* writeback */
115 };
116 
117 #define E1000_RXDADV_HDRBUFLEN_MASK	0x7FE0
118 #define E1000_RXDADV_HDRBUFLEN_SHIFT	5
119 
120 /* Transmit Descriptor - Advanced */
121 union e1000_adv_tx_desc {
122 	struct {
123 		u64 buffer_addr;    /* Address of descriptor's data buf */
124 		u32 cmd_type_len;
125 		u32 olinfo_status;
126 	} read;
127 	struct {
128 		u64 rsvd;       /* Reserved */
129 		u32 nxtseq_seed;
130 		u32 status;
131 	} wb;
132 };
133 
134 /* Adv Transmit Descriptor Config Masks */
135 #define E1000_ADVTXD_DTYP_CTXT	0x00200000 /* Advanced Context Descriptor */
136 #define E1000_ADVTXD_DTYP_DATA	0x00300000 /* Advanced Data Descriptor */
137 #define E1000_ADVTXD_DCMD_EOP	0x01000000 /* End of Packet */
138 #define E1000_ADVTXD_DCMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
139 #define E1000_ADVTXD_DCMD_RS	0x08000000 /* Report Status */
140 #define E1000_ADVTXD_DCMD_DEXT	0x20000000 /* Descriptor extension (1=Adv) */
141 #define E1000_ADVTXD_DCMD_VLE	0x40000000 /* VLAN pkt enable */
142 #define E1000_ADVTXD_DCMD_TSE	0x80000000 /* TCP Seg enable */
143 #define E1000_ADVTXD_PAYLEN_SHIFT	14 /* Adv desc PAYLEN shift */
144 
145 /* Context descriptors */
146 struct e1000_adv_tx_context_desc {
147 	u32 vlan_macip_lens;
148 	u32 seqnum_seed;
149 	u32 type_tucmd_mlhl;
150 	u32 mss_l4len_idx;
151 };
152 
153 #define E1000_ADVTXD_MACLEN_SHIFT	9  /* Adv ctxt desc mac len shift */
154 #define E1000_ADVTXD_TUCMD_IPV4		0x00000400  /* IP Packet Type: 1=IPv4 */
155 #define E1000_ADVTXD_TUCMD_L4T_TCP	0x00000800  /* L4 Packet TYPE of TCP */
156 #define E1000_ADVTXD_L4LEN_SHIFT	8  /* Adv ctxt L4LEN shift */
157 #define E1000_ADVTXD_MSS_SHIFT		16  /* Adv ctxt MSS shift */
158 
159 enum e1000_mac_type {
160 	e1000_undefined = 0,
161 	e1000_vfadapt,
162 	e1000_vfadapt_i350,
163 	e1000_num_macs  /* List is 1-based, so subtract 1 for TRUE count. */
164 };
165 
166 struct e1000_vf_stats {
167 	u64 base_gprc;
168 	u64 base_gptc;
169 	u64 base_gorc;
170 	u64 base_gotc;
171 	u64 base_mprc;
172 	u64 base_gotlbc;
173 	u64 base_gptlbc;
174 	u64 base_gorlbc;
175 	u64 base_gprlbc;
176 
177 	u32 last_gprc;
178 	u32 last_gptc;
179 	u32 last_gorc;
180 	u32 last_gotc;
181 	u32 last_mprc;
182 	u32 last_gotlbc;
183 	u32 last_gptlbc;
184 	u32 last_gorlbc;
185 	u32 last_gprlbc;
186 
187 	u64 gprc;
188 	u64 gptc;
189 	u64 gorc;
190 	u64 gotc;
191 	u64 mprc;
192 	u64 gotlbc;
193 	u64 gptlbc;
194 	u64 gorlbc;
195 	u64 gprlbc;
196 };
197 
198 #include "e1000_mbx.h"
199 
200 struct e1000_mac_operations {
201 	/* Function pointers for the MAC. */
202 	s32  (*init_params)(struct e1000_hw *);
203 	s32  (*check_for_link)(struct e1000_hw *);
204 	void (*clear_vfta)(struct e1000_hw *);
205 	s32  (*get_bus_info)(struct e1000_hw *);
206 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
207 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
208 	s32  (*reset_hw)(struct e1000_hw *);
209 	s32  (*init_hw)(struct e1000_hw *);
210 	s32  (*setup_link)(struct e1000_hw *);
211 	void (*write_vfta)(struct e1000_hw *, u32, u32);
212 	int  (*rar_set)(struct e1000_hw *, u8*, u32);
213 	s32  (*read_mac_addr)(struct e1000_hw *);
214 };
215 
216 struct e1000_mac_info {
217 	struct e1000_mac_operations ops;
218 	u8 addr[6];
219 	u8 perm_addr[6];
220 
221 	enum e1000_mac_type type;
222 
223 	u16 mta_reg_count;
224 	u16 rar_entry_count;
225 
226 	bool get_link_status;
227 };
228 
229 struct e1000_mbx_operations {
230 	s32 (*init_params)(struct e1000_hw *hw);
231 	s32 (*read)(struct e1000_hw *, u32 *, u16,  u16);
232 	s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
233 	s32 (*read_posted)(struct e1000_hw *, u32 *, u16,  u16);
234 	s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
235 	s32 (*check_for_msg)(struct e1000_hw *, u16);
236 	s32 (*check_for_ack)(struct e1000_hw *, u16);
237 	s32 (*check_for_rst)(struct e1000_hw *, u16);
238 };
239 
240 struct e1000_mbx_stats {
241 	u32 msgs_tx;
242 	u32 msgs_rx;
243 
244 	u32 acks;
245 	u32 reqs;
246 	u32 rsts;
247 };
248 
249 struct e1000_mbx_info {
250 	struct e1000_mbx_operations ops;
251 	struct e1000_mbx_stats stats;
252 	u32 timeout;
253 	u32 usec_delay;
254 	u16 size;
255 };
256 
257 struct e1000_dev_spec_vf {
258 	u32 vf_number;
259 	u32 v2p_mailbox;
260 };
261 
262 struct e1000_hw {
263 	void *back;
264 
265 	u8 *hw_addr;
266 	u8 *flash_address;
267 	unsigned long io_base;
268 
269 	struct e1000_mac_info  mac;
270 	struct e1000_mbx_info mbx;
271 
272 	union {
273 		struct e1000_dev_spec_vf vf;
274 	} dev_spec;
275 
276 	u16 device_id;
277 	u16 subsystem_vendor_id;
278 	u16 subsystem_device_id;
279 	u16 vendor_id;
280 
281 	u8  revision_id;
282 };
283 
284 enum e1000_promisc_type {
285 	e1000_promisc_disabled = 0,   /* all promisc modes disabled */
286 	e1000_promisc_unicast = 1,    /* unicast promiscuous enabled */
287 	e1000_promisc_multicast = 2,  /* multicast promiscuous enabled */
288 	e1000_promisc_enabled = 3,    /* both uni and multicast promisc */
289 	e1000_num_promisc_types
290 };
291 
292 /* These functions must be implemented by drivers */
293 s32  e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
294 void e1000_vfta_set_vf(struct e1000_hw *, u16, bool);
295 void e1000_rlpml_set_vf(struct e1000_hw *, u16);
296 s32 e1000_promisc_set_vf(struct e1000_hw *, enum e1000_promisc_type);
297 #endif /* _E1000_VF_H_ */
298