1 /****************************************************************************** 2 SPDX-License-Identifier: BSD-3-Clause 3 4 Copyright (c) 2001-2020, 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 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