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1 | /******************************************************************************* |
2 | ||
3 | Intel(R) 82576 Virtual Function Linux driver | |
4 | Copyright(c) 2009 Intel Corporation. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
25 | ||
26 | *******************************************************************************/ | |
27 | ||
28 | #ifndef _E1000_VF_H_ | |
29 | #define _E1000_VF_H_ | |
30 | ||
31 | #include <linux/pci.h> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/interrupt.h> | |
34 | #include <linux/if_ether.h> | |
35 | ||
36 | #include "regs.h" | |
37 | #include "defines.h" | |
38 | ||
39 | struct e1000_hw; | |
40 | ||
41 | #define E1000_DEV_ID_82576_VF 0x10CA | |
42 | #define E1000_REVISION_0 0 | |
43 | #define E1000_REVISION_1 1 | |
44 | #define E1000_REVISION_2 2 | |
45 | #define E1000_REVISION_3 3 | |
46 | #define E1000_REVISION_4 4 | |
47 | ||
48 | #define E1000_FUNC_0 0 | |
49 | #define E1000_FUNC_1 1 | |
50 | ||
51 | /* | |
52 | * Receive Address Register Count | |
53 | * Number of high/low register pairs in the RAR. The RAR (Receive Address | |
54 | * Registers) holds the directed and multicast addresses that we monitor. | |
55 | * These entries are also used for MAC-based filtering. | |
56 | */ | |
57 | #define E1000_RAR_ENTRIES_VF 1 | |
58 | ||
59 | /* Receive Descriptor - Advanced */ | |
60 | union e1000_adv_rx_desc { | |
61 | struct { | |
62 | u64 pkt_addr; /* Packet buffer address */ | |
63 | u64 hdr_addr; /* Header buffer address */ | |
64 | } read; | |
65 | struct { | |
66 | struct { | |
67 | union { | |
68 | u32 data; | |
69 | struct { | |
70 | u16 pkt_info; /* RSS/Packet type */ | |
71 | u16 hdr_info; /* Split Header, | |
72 | * hdr buffer length */ | |
73 | } hs_rss; | |
74 | } lo_dword; | |
75 | union { | |
76 | u32 rss; /* RSS Hash */ | |
77 | struct { | |
78 | u16 ip_id; /* IP id */ | |
79 | u16 csum; /* Packet Checksum */ | |
80 | } csum_ip; | |
81 | } hi_dword; | |
82 | } lower; | |
83 | struct { | |
84 | u32 status_error; /* ext status/error */ | |
85 | u16 length; /* Packet length */ | |
86 | u16 vlan; /* VLAN tag */ | |
87 | } upper; | |
88 | } wb; /* writeback */ | |
89 | }; | |
90 | ||
91 | #define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0 | |
92 | #define E1000_RXDADV_HDRBUFLEN_SHIFT 5 | |
93 | ||
94 | /* Transmit Descriptor - Advanced */ | |
95 | union e1000_adv_tx_desc { | |
96 | struct { | |
97 | u64 buffer_addr; /* Address of descriptor's data buf */ | |
98 | u32 cmd_type_len; | |
99 | u32 olinfo_status; | |
100 | } read; | |
101 | struct { | |
102 | u64 rsvd; /* Reserved */ | |
103 | u32 nxtseq_seed; | |
104 | u32 status; | |
105 | } wb; | |
106 | }; | |
107 | ||
108 | /* Adv Transmit Descriptor Config Masks */ | |
109 | #define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ | |
110 | #define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ | |
111 | #define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ | |
112 | #define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ | |
113 | #define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */ | |
114 | #define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */ | |
115 | #define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */ | |
116 | #define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ | |
117 | #define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ | |
118 | ||
119 | /* Context descriptors */ | |
120 | struct e1000_adv_tx_context_desc { | |
121 | u32 vlan_macip_lens; | |
122 | u32 seqnum_seed; | |
123 | u32 type_tucmd_mlhl; | |
124 | u32 mss_l4len_idx; | |
125 | }; | |
126 | ||
127 | #define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ | |
128 | #define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */ | |
129 | #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ | |
130 | #define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */ | |
131 | #define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */ | |
132 | ||
133 | enum e1000_mac_type { | |
134 | e1000_undefined = 0, | |
135 | e1000_vfadapt, | |
136 | e1000_num_macs /* List is 1-based, so subtract 1 for true count. */ | |
137 | }; | |
138 | ||
139 | struct e1000_vf_stats { | |
140 | u64 base_gprc; | |
141 | u64 base_gptc; | |
142 | u64 base_gorc; | |
143 | u64 base_gotc; | |
144 | u64 base_mprc; | |
145 | u64 base_gotlbc; | |
146 | u64 base_gptlbc; | |
147 | u64 base_gorlbc; | |
148 | u64 base_gprlbc; | |
149 | ||
150 | u32 last_gprc; | |
151 | u32 last_gptc; | |
152 | u32 last_gorc; | |
153 | u32 last_gotc; | |
154 | u32 last_mprc; | |
155 | u32 last_gotlbc; | |
156 | u32 last_gptlbc; | |
157 | u32 last_gorlbc; | |
158 | u32 last_gprlbc; | |
159 | ||
160 | u64 gprc; | |
161 | u64 gptc; | |
162 | u64 gorc; | |
163 | u64 gotc; | |
164 | u64 mprc; | |
165 | u64 gotlbc; | |
166 | u64 gptlbc; | |
167 | u64 gorlbc; | |
168 | u64 gprlbc; | |
169 | }; | |
170 | ||
171 | #include "mbx.h" | |
172 | ||
173 | struct e1000_mac_operations { | |
174 | /* Function pointers for the MAC. */ | |
175 | s32 (*init_params)(struct e1000_hw *); | |
176 | s32 (*check_for_link)(struct e1000_hw *); | |
177 | void (*clear_vfta)(struct e1000_hw *); | |
178 | s32 (*get_bus_info)(struct e1000_hw *); | |
179 | s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *); | |
180 | void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32); | |
181 | s32 (*reset_hw)(struct e1000_hw *); | |
182 | s32 (*init_hw)(struct e1000_hw *); | |
183 | s32 (*setup_link)(struct e1000_hw *); | |
184 | void (*write_vfta)(struct e1000_hw *, u32, u32); | |
185 | void (*mta_set)(struct e1000_hw *, u32); | |
186 | void (*rar_set)(struct e1000_hw *, u8*, u32); | |
187 | s32 (*read_mac_addr)(struct e1000_hw *); | |
188 | s32 (*set_vfta)(struct e1000_hw *, u16, bool); | |
189 | }; | |
190 | ||
191 | struct e1000_mac_info { | |
192 | struct e1000_mac_operations ops; | |
193 | u8 addr[6]; | |
194 | u8 perm_addr[6]; | |
195 | ||
196 | enum e1000_mac_type type; | |
197 | ||
198 | u16 mta_reg_count; | |
199 | u16 rar_entry_count; | |
200 | ||
201 | bool get_link_status; | |
202 | }; | |
203 | ||
204 | struct e1000_mbx_operations { | |
205 | s32 (*init_params)(struct e1000_hw *hw); | |
206 | s32 (*read)(struct e1000_hw *, u32 *, u16); | |
207 | s32 (*write)(struct e1000_hw *, u32 *, u16); | |
208 | s32 (*read_posted)(struct e1000_hw *, u32 *, u16); | |
209 | s32 (*write_posted)(struct e1000_hw *, u32 *, u16); | |
210 | s32 (*check_for_msg)(struct e1000_hw *); | |
211 | s32 (*check_for_ack)(struct e1000_hw *); | |
212 | s32 (*check_for_rst)(struct e1000_hw *); | |
213 | }; | |
214 | ||
215 | struct e1000_mbx_stats { | |
216 | u32 msgs_tx; | |
217 | u32 msgs_rx; | |
218 | ||
219 | u32 acks; | |
220 | u32 reqs; | |
221 | u32 rsts; | |
222 | }; | |
223 | ||
224 | struct e1000_mbx_info { | |
225 | struct e1000_mbx_operations ops; | |
226 | struct e1000_mbx_stats stats; | |
227 | u32 timeout; | |
228 | u32 usec_delay; | |
229 | u16 size; | |
230 | }; | |
231 | ||
232 | struct e1000_dev_spec_vf { | |
233 | u32 vf_number; | |
234 | u32 v2p_mailbox; | |
235 | }; | |
236 | ||
237 | struct e1000_hw { | |
238 | void *back; | |
239 | ||
240 | u8 __iomem *hw_addr; | |
241 | u8 __iomem *flash_address; | |
242 | unsigned long io_base; | |
243 | ||
244 | struct e1000_mac_info mac; | |
245 | struct e1000_mbx_info mbx; | |
246 | ||
247 | union { | |
248 | struct e1000_dev_spec_vf vf; | |
249 | } dev_spec; | |
250 | ||
251 | u16 device_id; | |
252 | u16 subsystem_vendor_id; | |
253 | u16 subsystem_device_id; | |
254 | u16 vendor_id; | |
255 | ||
256 | u8 revision_id; | |
257 | }; | |
258 | ||
259 | /* These functions must be implemented by drivers */ | |
260 | void e1000_rlpml_set_vf(struct e1000_hw *, u16); | |
261 | void e1000_init_function_pointers_vf(struct e1000_hw *hw); | |
262 | s32 e1000_init_mac_params_vf(struct e1000_hw *hw); | |
263 | ||
264 | ||
265 | #endif /* _E1000_VF_H_ */ |