178344Sobrien/* SPDX-License-Identifier: GPL-2.0 */ 278344Sobrien/* Copyright(c) 2009 - 2018 Intel Corporation. */ 398184Sgordon 498184Sgordon#ifndef _E1000_VF_H_ 578344Sobrien#define _E1000_VF_H_ 678344Sobrien 778344Sobrien#include <linux/pci.h> 878344Sobrien#include <linux/delay.h> 998184Sgordon#include <linux/interrupt.h> 1078344Sobrien#include <linux/if_ether.h> 1178344Sobrien 1278344Sobrien#include "regs.h" 1378344Sobrien#include "defines.h" 1498184Sgordon 1598184Sgordonstruct e1000_hw; 1698184Sgordon 17103019Sgordon#define E1000_DEV_ID_82576_VF 0x10CA 1898184Sgordon#define E1000_DEV_ID_I350_VF 0x1520 1998184Sgordon#define E1000_REVISION_0 0 2098184Sgordon#define E1000_REVISION_1 1 2198184Sgordon#define E1000_REVISION_2 2 2298184Sgordon#define E1000_REVISION_3 3 2398184Sgordon#define E1000_REVISION_4 4 2498184Sgordon 2598184Sgordon#define E1000_FUNC_0 0 2678344Sobrien#define E1000_FUNC_1 1 2778344Sobrien 2878344Sobrien/* Receive Address Register Count 2978344Sobrien * Number of high/low register pairs in the RAR. The RAR (Receive Address 3078344Sobrien * Registers) holds the directed and multicast addresses that we monitor. 3198184Sgordon * These entries are also used for MAC-based filtering. 3298184Sgordon */ 3378344Sobrien#define E1000_RAR_ENTRIES_VF 1 3478344Sobrien 3598184Sgordon/* Receive Descriptor - Advanced */ 3678344Sobrienunion e1000_adv_rx_desc { 3778344Sobrien struct { 3878344Sobrien __le64 pkt_addr; /* Packet buffer address */ 39103019Sgordon __le64 hdr_addr; /* Header buffer address */ 4098184Sgordon } read; 4198184Sgordon struct { 4298184Sgordon struct { 4398184Sgordon union { 4498184Sgordon __le32 data; 4598184Sgordon struct { 4698184Sgordon __le16 pkt_info; /* RSS/Packet type */ 4798184Sgordon /* Split Header, hdr buffer length */ 4898184Sgordon __le16 hdr_info; 4998184Sgordon } hs_rss; 5098184Sgordon } lo_dword; 5198184Sgordon union { 5298184Sgordon __le32 rss; /* RSS Hash */ 5398184Sgordon struct { 5498184Sgordon __le16 ip_id; /* IP id */ 5598184Sgordon __le16 csum; /* Packet Checksum */ 5698184Sgordon } csum_ip; 5798184Sgordon } hi_dword; 5878344Sobrien } lower; 5978344Sobrien struct { 6078344Sobrien __le32 status_error; /* ext status/error */ 6178344Sobrien __le16 length; /* Packet length */ 6278344Sobrien __le16 vlan; /* VLAN tag */ 6378344Sobrien } upper; 6478344Sobrien } wb; /* writeback */ 6578344Sobrien}; 6678344Sobrien 6778344Sobrien#define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0 6878344Sobrien#define E1000_RXDADV_HDRBUFLEN_SHIFT 5 6978344Sobrien 7078344Sobrien/* Transmit Descriptor - Advanced */ 7198184Sgordonunion e1000_adv_tx_desc { 7298184Sgordon struct { 7378344Sobrien __le64 buffer_addr; /* Address of descriptor's data buf */ 7478344Sobrien __le32 cmd_type_len; 7578344Sobrien __le32 olinfo_status; 7678344Sobrien } read; 7778344Sobrien struct { 7878344Sobrien __le64 rsvd; /* Reserved */ 79103019Sgordon __le32 nxtseq_seed; 8098184Sgordon __le32 status; 8198184Sgordon } wb; 8298184Sgordon}; 8398184Sgordon 8498184Sgordon/* Adv Transmit Descriptor Config Masks */ 8598184Sgordon#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */ 8698184Sgordon#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */ 8798184Sgordon#define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */ 8898184Sgordon#define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */ 8998184Sgordon#define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */ 9098184Sgordon#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */ 9198184Sgordon#define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */ 9298184Sgordon#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */ 9398184Sgordon#define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */ 9478344Sobrien 9578344Sobrien/* Context descriptors */ 9678344Sobrienstruct e1000_adv_tx_context_desc { 9778344Sobrien __le32 vlan_macip_lens; 98103019Sgordon __le32 seqnum_seed; 9998184Sgordon __le32 type_tucmd_mlhl; 10098184Sgordon __le32 mss_l4len_idx; 10198184Sgordon}; 10298184Sgordon 10398184Sgordon#define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */ 10498184Sgordon#define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */ 10598184Sgordon#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */ 10698184Sgordon#define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */ 10778344Sobrien#define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */ 10878344Sobrien#define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */ 10978344Sobrien 11078344Sobrienenum e1000_mac_type { 11178344Sobrien e1000_undefined = 0, 11278344Sobrien e1000_vfadapt, 11378344Sobrien e1000_vfadapt_i350, 11478344Sobrien e1000_num_macs /* List is 1-based, so subtract 1 for true count. */ 115103019Sgordon}; 11698184Sgordon 11798184Sgordonstruct e1000_vf_stats { 11898184Sgordon u64 base_gprc; 11998184Sgordon u64 base_gptc; 12098184Sgordon u64 base_gorc; 12198184Sgordon u64 base_gotc; 12298184Sgordon u64 base_mprc; 12398184Sgordon u64 base_gotlbc; 12498184Sgordon u64 base_gptlbc; 12598184Sgordon u64 base_gorlbc; 12698184Sgordon u64 base_gprlbc; 12798184Sgordon 12898184Sgordon u32 last_gprc; 12998184Sgordon u32 last_gptc; 13098184Sgordon u32 last_gorc; 13198184Sgordon u32 last_gotc; 13298184Sgordon u32 last_mprc; 13398184Sgordon u32 last_gotlbc; 13498184Sgordon u32 last_gptlbc; 13578344Sobrien u32 last_gorlbc; 13678344Sobrien u32 last_gprlbc; 13798184Sgordon 13898184Sgordon u64 gprc; 139103019Sgordon u64 gptc; 14098184Sgordon u64 gorc; 14198184Sgordon u64 gotc; 14298184Sgordon u64 mprc; 14398184Sgordon u64 gotlbc; 14498184Sgordon u64 gptlbc; 14598184Sgordon u64 gorlbc; 14698184Sgordon u64 gprlbc; 14798184Sgordon}; 14878344Sobrien 14978344Sobrien#include "mbx.h" 15098184Sgordon 15178344Sobrienstruct e1000_mac_operations { 15278344Sobrien /* Function pointers for the MAC. */ 15378344Sobrien s32 (*init_params)(struct e1000_hw *); 154 s32 (*check_for_link)(struct e1000_hw *); 155 void (*clear_vfta)(struct e1000_hw *); 156 s32 (*get_bus_info)(struct e1000_hw *); 157 s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *); 158 void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32); 159 s32 (*set_uc_addr)(struct e1000_hw *, u32, u8 *); 160 s32 (*reset_hw)(struct e1000_hw *); 161 s32 (*init_hw)(struct e1000_hw *); 162 s32 (*setup_link)(struct e1000_hw *); 163 void (*write_vfta)(struct e1000_hw *, u32, u32); 164 void (*mta_set)(struct e1000_hw *, u32); 165 void (*rar_set)(struct e1000_hw *, u8*, u32); 166 s32 (*read_mac_addr)(struct e1000_hw *); 167 s32 (*set_vfta)(struct e1000_hw *, u16, bool); 168}; 169 170struct e1000_mac_info { 171 struct e1000_mac_operations ops; 172 u8 addr[6]; 173 u8 perm_addr[6]; 174 175 enum e1000_mac_type type; 176 177 u16 mta_reg_count; 178 u16 rar_entry_count; 179 180 bool get_link_status; 181}; 182 183struct e1000_mbx_operations { 184 s32 (*init_params)(struct e1000_hw *hw); 185 s32 (*read)(struct e1000_hw *, u32 *, u16); 186 s32 (*write)(struct e1000_hw *, u32 *, u16); 187 s32 (*read_posted)(struct e1000_hw *, u32 *, u16); 188 s32 (*write_posted)(struct e1000_hw *, u32 *, u16); 189 s32 (*check_for_msg)(struct e1000_hw *); 190 s32 (*check_for_ack)(struct e1000_hw *); 191 s32 (*check_for_rst)(struct e1000_hw *); 192}; 193 194struct e1000_mbx_stats { 195 u32 msgs_tx; 196 u32 msgs_rx; 197 198 u32 acks; 199 u32 reqs; 200 u32 rsts; 201}; 202 203struct e1000_mbx_info { 204 struct e1000_mbx_operations ops; 205 struct e1000_mbx_stats stats; 206 u32 timeout; 207 u32 usec_delay; 208 u16 size; 209}; 210 211struct e1000_dev_spec_vf { 212 u32 vf_number; 213 u32 v2p_mailbox; 214}; 215 216struct e1000_hw { 217 void *back; 218 219 u8 __iomem *hw_addr; 220 u8 __iomem *flash_address; 221 unsigned long io_base; 222 223 struct e1000_mac_info mac; 224 struct e1000_mbx_info mbx; 225 spinlock_t mbx_lock; /* serializes mailbox ops */ 226 227 union { 228 struct e1000_dev_spec_vf vf; 229 } dev_spec; 230 231 u16 device_id; 232 u16 subsystem_vendor_id; 233 u16 subsystem_device_id; 234 u16 vendor_id; 235 236 u8 revision_id; 237}; 238 239/* These functions must be implemented by drivers */ 240void e1000_rlpml_set_vf(struct e1000_hw *, u16); 241void e1000_init_function_pointers_vf(struct e1000_hw *hw); 242 243#endif /* _E1000_VF_H_ */ 244