1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2009 - 2018 Intel Corporation. */
8 #include <linux/delay.h>
9 #include <linux/interrupt.h>
10 #include <linux/if_ether.h>
17 #define E1000_DEV_ID_82576_VF 0x10CA
18 #define E1000_DEV_ID_I350_VF 0x1520
19 #define E1000_REVISION_0 0
20 #define E1000_REVISION_1 1
21 #define E1000_REVISION_2 2
22 #define E1000_REVISION_3 3
23 #define E1000_REVISION_4 4
25 #define E1000_FUNC_0 0
26 #define E1000_FUNC_1 1
28 /* Receive Address Register Count
29 * Number of high/low register pairs in the RAR. The RAR (Receive Address
30 * Registers) holds the directed and multicast addresses that we monitor.
31 * These entries are also used for MAC-based filtering.
33 #define E1000_RAR_ENTRIES_VF 1
35 /* Receive Descriptor - Advanced */
36 union e1000_adv_rx_desc {
38 u64 pkt_addr; /* Packet buffer address */
39 u64 hdr_addr; /* Header buffer address */
46 u16 pkt_info; /* RSS/Packet type */
47 /* Split Header, hdr buffer length */
52 u32 rss; /* RSS Hash */
54 u16 ip_id; /* IP id */
55 u16 csum; /* Packet Checksum */
60 u32 status_error; /* ext status/error */
61 u16 length; /* Packet length */
62 u16 vlan; /* VLAN tag */
67 #define E1000_RXDADV_HDRBUFLEN_MASK 0x7FE0
68 #define E1000_RXDADV_HDRBUFLEN_SHIFT 5
70 /* Transmit Descriptor - Advanced */
71 union e1000_adv_tx_desc {
73 u64 buffer_addr; /* Address of descriptor's data buf */
78 u64 rsvd; /* Reserved */
84 /* Adv Transmit Descriptor Config Masks */
85 #define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
86 #define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
87 #define E1000_ADVTXD_DCMD_EOP 0x01000000 /* End of Packet */
88 #define E1000_ADVTXD_DCMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
89 #define E1000_ADVTXD_DCMD_RS 0x08000000 /* Report Status */
90 #define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor extension (1=Adv) */
91 #define E1000_ADVTXD_DCMD_VLE 0x40000000 /* VLAN pkt enable */
92 #define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
93 #define E1000_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
95 /* Context descriptors */
96 struct e1000_adv_tx_context_desc {
103 #define E1000_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
104 #define E1000_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
105 #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
106 #define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
107 #define E1000_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
108 #define E1000_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
110 enum e1000_mac_type {
114 e1000_num_macs /* List is 1-based, so subtract 1 for true count. */
117 struct e1000_vf_stats {
151 struct e1000_mac_operations {
152 /* Function pointers for the MAC. */
153 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);
170 struct e1000_mac_info {
171 struct e1000_mac_operations ops;
175 enum e1000_mac_type type;
180 bool get_link_status;
183 struct 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 *);
194 struct e1000_mbx_stats {
203 struct e1000_mbx_info {
204 struct e1000_mbx_operations ops;
205 struct e1000_mbx_stats stats;
211 struct e1000_dev_spec_vf {
220 u8 __iomem *flash_address;
221 unsigned long io_base;
223 struct e1000_mac_info mac;
224 struct e1000_mbx_info mbx;
225 spinlock_t mbx_lock; /* serializes mailbox ops */
228 struct e1000_dev_spec_vf vf;
232 u16 subsystem_vendor_id;
233 u16 subsystem_device_id;
239 /* These functions must be implemented by drivers */
240 void e1000_rlpml_set_vf(struct e1000_hw *, u16);
241 void e1000_init_function_pointers_vf(struct e1000_hw *hw);
243 #endif /* _E1000_VF_H_ */