xref: /titanic_51/usr/src/uts/common/io/e1000api/e1000_vf.h (revision 177d5b5f8c0e969013441207a0a705ae66b08cf7)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2010, 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 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 #include "e1000_osdep.h"
43 #include "e1000_regs.h"
44 #include "e1000_defines.h"
45 
46 struct e1000_hw;
47 
48 #define E1000_DEV_ID_82576_VF                 0x10CA
49 #define E1000_DEV_ID_I350_VF                  0x1520
50 
51 #define E1000_VF_INIT_TIMEOUT 200 /* Number of retries to clear RSTI */
52 
53 /* Additional Descriptor Control definitions */
54 #define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */
55 #define E1000_RXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Rx Queue */
56 
57 /* SRRCTL bit definitions */
58 #define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */
59 #define E1000_SRRCTL_BSIZEHDRSIZE_MASK                  0x00000F00
60 #define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT                 2  /* Shift _left_ */
61 #define E1000_SRRCTL_DESCTYPE_LEGACY                    0x00000000
62 #define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF                0x02000000
63 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT                 0x04000000
64 #define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS          0x0A000000
65 #define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION           0x06000000
66 #define E1000_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
67 #define E1000_SRRCTL_DESCTYPE_MASK                      0x0E000000
68 #define E1000_SRRCTL_DROP_EN                            0x80000000
69 
70 #define E1000_SRRCTL_BSIZEPKT_MASK      0x0000007F
71 #define E1000_SRRCTL_BSIZEHDR_MASK      0x00003F00
72 
73 /* Interrupt Defines */
74 #define E1000_EICR     0x01580  /* Ext. Interrupt Cause Read - R/clr */
75 #define E1000_EITR(_n) (0x01680 + ((_n) << 2))
76 #define E1000_EICS     0x01520  /* Ext. Interrupt Cause Set - W0 */
77 #define E1000_EIMS     0x01524  /* Ext. Interrupt Mask Set/Read - RW */
78 #define E1000_EIMC     0x01528  /* Ext. Interrupt Mask Clear - WO */
79 #define E1000_EIAC     0x0152C  /* Ext. Interrupt Auto Clear - RW */
80 #define E1000_EIAM     0x01530  /* Ext. Interrupt Ack Auto Clear Mask - RW */
81 #define E1000_IVAR0    0x01700  /* Interrupt Vector Allocation (array) - RW */
82 #define E1000_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */
83 #define E1000_IVAR_VALID        0x80
84 
85 /* Receive Descriptor - Advanced */
86 union e1000_adv_rx_desc {
87 	struct {
88 		u64 pkt_addr;             /* Packet buffer address */
89 		u64 hdr_addr;             /* Header buffer address */
90 	} read;
91 	struct {
92 		struct {
93 			union {
94 				u32 data;
95 				struct {
96 					/* RSS type, Packet type */
97 					u16 pkt_info;
98 					/* Split Header, header buffer len */
99 					u16 hdr_info;
100 				} hs_rss;
101 			} lo_dword;
102 			union {
103 				u32 rss;          /* RSS Hash */
104 				struct {
105 					u16 ip_id;    /* IP id */
106 					u16 csum;     /* Packet Checksum */
107 				} csum_ip;
108 			} hi_dword;
109 		} lower;
110 		struct {
111 			u32 status_error;     /* ext status/error */
112 			u16 length;           /* Packet length */
113 			u16 vlan;             /* VLAN tag */
114 		} upper;
115 	} wb;  /* writeback */
116 };
117 
118 #define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
119 #define E1000_RXDADV_HDRBUFLEN_SHIFT     5
120 
121 /* Transmit Descriptor - Advanced */
122 union e1000_adv_tx_desc {
123 	struct {
124 		u64 buffer_addr;    /* Address of descriptor's data buf */
125 		u32 cmd_type_len;
126 		u32 olinfo_status;
127 	} read;
128 	struct {
129 		u64 rsvd;       /* Reserved */
130 		u32 nxtseq_seed;
131 		u32 status;
132 	} wb;
133 };
134 
135 /* Adv Transmit Descriptor Config Masks */
136 #define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
137 #define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
138 #define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
139 #define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
140 #define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
141 #define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
142 #define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
143 #define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
144 #define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
145 
146 /* Context descriptors */
147 struct e1000_adv_tx_context_desc {
148 	u32 vlan_macip_lens;
149 	u32 seqnum_seed;
150 	u32 type_tucmd_mlhl;
151 	u32 mss_l4len_idx;
152 };
153 
154 #define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
155 #define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
156 #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
157 #define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
158 #define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
159 
160 enum e1000_mac_type {
161 	e1000_undefined = 0,
162 	e1000_vfadapt,
163 	e1000_vfadapt_i350,
164 	e1000_num_macs  /* List is 1-based, so subtract 1 for TRUE count. */
165 };
166 
167 struct e1000_vf_stats {
168 	u64 base_gprc;
169 	u64 base_gptc;
170 	u64 base_gorc;
171 	u64 base_gotc;
172 	u64 base_mprc;
173 	u64 base_gotlbc;
174 	u64 base_gptlbc;
175 	u64 base_gorlbc;
176 	u64 base_gprlbc;
177 
178 	u32 last_gprc;
179 	u32 last_gptc;
180 	u32 last_gorc;
181 	u32 last_gotc;
182 	u32 last_mprc;
183 	u32 last_gotlbc;
184 	u32 last_gptlbc;
185 	u32 last_gorlbc;
186 	u32 last_gprlbc;
187 
188 	u64 gprc;
189 	u64 gptc;
190 	u64 gorc;
191 	u64 gotc;
192 	u64 mprc;
193 	u64 gotlbc;
194 	u64 gptlbc;
195 	u64 gorlbc;
196 	u64 gprlbc;
197 };
198 
199 #include "e1000_mbx.h"
200 
201 struct e1000_mac_operations {
202 	/* Function pointers for the MAC. */
203 	s32  (*init_params)(struct e1000_hw *);
204 	s32  (*check_for_link)(struct e1000_hw *);
205 	void (*clear_vfta)(struct e1000_hw *);
206 	s32  (*get_bus_info)(struct e1000_hw *);
207 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
208 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
209 	s32  (*reset_hw)(struct e1000_hw *);
210 	s32  (*init_hw)(struct e1000_hw *);
211 	s32  (*setup_link)(struct e1000_hw *);
212 	void (*write_vfta)(struct e1000_hw *, u32, u32);
213 	void (*rar_set)(struct e1000_hw *, u8*, u32);
214 	s32  (*read_mac_addr)(struct e1000_hw *);
215 };
216 
217 struct e1000_mac_info {
218 	struct e1000_mac_operations ops;
219 	u8 addr[6];
220 	u8 perm_addr[6];
221 
222 	enum e1000_mac_type type;
223 
224 	u16 mta_reg_count;
225 	u16 rar_entry_count;
226 
227 	bool get_link_status;
228 };
229 
230 struct e1000_mbx_operations {
231 	s32 (*init_params)(struct e1000_hw *hw);
232 	s32 (*read)(struct e1000_hw *, u32 *, u16,  u16);
233 	s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
234 	s32 (*read_posted)(struct e1000_hw *, u32 *, u16,  u16);
235 	s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
236 	s32 (*check_for_msg)(struct e1000_hw *, u16);
237 	s32 (*check_for_ack)(struct e1000_hw *, u16);
238 	s32 (*check_for_rst)(struct e1000_hw *, u16);
239 };
240 
241 struct e1000_mbx_stats {
242 	u32 msgs_tx;
243 	u32 msgs_rx;
244 
245 	u32 acks;
246 	u32 reqs;
247 	u32 rsts;
248 };
249 
250 struct e1000_mbx_info {
251 	struct e1000_mbx_operations ops;
252 	struct e1000_mbx_stats stats;
253 	u32 timeout;
254 	u32 usec_delay;
255 	u16 size;
256 };
257 
258 struct e1000_dev_spec_vf {
259 	u32 vf_number;
260 	u32 v2p_mailbox;
261 };
262 
263 struct e1000_hw {
264 	void *back;
265 
266 	u8 *hw_addr;
267 	u8 *flash_address;
268 	unsigned long io_base;
269 
270 	struct e1000_mac_info  mac;
271 	struct e1000_mbx_info mbx;
272 
273 	union {
274 		struct e1000_dev_spec_vf vf;
275 	} dev_spec;
276 
277 	u16 device_id;
278 	u16 subsystem_vendor_id;
279 	u16 subsystem_device_id;
280 	u16 vendor_id;
281 
282 	u8  revision_id;
283 };
284 
285 enum e1000_promisc_type {
286 	e1000_promisc_disabled = 0,   /* all promisc modes disabled */
287 	e1000_promisc_unicast = 1,    /* unicast promiscuous enabled */
288 	e1000_promisc_multicast = 2,  /* multicast promiscuous enabled */
289 	e1000_promisc_enabled = 3,    /* both uni and multicast promisc */
290 	e1000_num_promisc_types
291 };
292 
293 /* These functions must be implemented by drivers */
294 s32  e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
295 void e1000_vfta_set_vf(struct e1000_hw *, u16, bool);
296 void e1000_rlpml_set_vf(struct e1000_hw *, u16);
297 s32 e1000_promisc_set_vf(struct e1000_hw *, enum e1000_promisc_type);
298 
299 #ifdef __cplusplus
300 }
301 #endif
302 
303 #endif /* _E1000_VF_H_ */
304