octep_pfvf_mbox.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Marvell Octeon EP (EndPoint) Ethernet Driver
  3 *
  4 * Copyright (C) 2020 Marvell.
  5 *
  6 */
  7
  8#ifndef _OCTEP_PFVF_MBOX_H_
  9#define _OCTEP_PFVF_MBOX_H_
 10
 11#define OCTEON_SDP_16K_HW_FRS  16380UL
 12#define OCTEON_SDP_64K_HW_FRS  65531UL
 13
 14/* When a new command is implemented,PF Mbox version should be bumped.
 15 */
 16enum octep_pfvf_mbox_version {
 17	OCTEP_PFVF_MBOX_VERSION_V0,
 18	OCTEP_PFVF_MBOX_VERSION_V1,
 19	OCTEP_PFVF_MBOX_VERSION_V2,
 20};
 21
 22#define OCTEP_PFVF_MBOX_VERSION_CURRENT	OCTEP_PFVF_MBOX_VERSION_V2
 23
 24/* VF flags */
 25/* PF has set VF MAC address */
 26#define OCTEON_PFVF_FLAG_MAC_SET_BY_PF  BIT(0)
 27
 28enum octep_pfvf_mbox_opcode {
 29	OCTEP_PFVF_MBOX_CMD_VERSION,
 30	OCTEP_PFVF_MBOX_CMD_SET_MTU,
 31	OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR,
 32	OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR,
 33	OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO,
 34	OCTEP_PFVF_MBOX_CMD_GET_STATS,
 35	OCTEP_PFVF_MBOX_CMD_SET_RX_STATE,
 36	OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS,
 37	OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS,
 38	OCTEP_PFVF_MBOX_CMD_GET_MTU,
 39	OCTEP_PFVF_MBOX_CMD_DEV_REMOVE,
 40	OCTEP_PFVF_MBOX_CMD_GET_FW_INFO,
 41	OCTEP_PFVF_MBOX_CMD_SET_OFFLOADS,
 42	OCTEP_PFVF_MBOX_NOTIF_LINK_STATUS,
 43	OCTEP_PFVF_MBOX_CMD_MAX,
 44};
 45
 46enum octep_pfvf_mbox_word_type {
 47	OCTEP_PFVF_MBOX_TYPE_CMD,
 48	OCTEP_PFVF_MBOX_TYPE_RSP_ACK,
 49	OCTEP_PFVF_MBOX_TYPE_RSP_NACK,
 50};
 51
 52enum octep_pfvf_mbox_cmd_status {
 53	OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP = 1,
 54	OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT = 2,
 55	OCTEP_PFVF_MBOX_CMD_STATUS_NACK = 3,
 56	OCTEP_PFVF_MBOX_CMD_STATUS_BUSY = 4
 57};
 58
 59enum octep_pfvf_mbox_state {
 60	OCTEP_PFVF_MBOX_STATE_IDLE = 0,
 61	OCTEP_PFVF_MBOX_STATE_BUSY = 1,
 62};
 63
 64enum octep_pfvf_link_status {
 65	OCTEP_PFVF_LINK_STATUS_DOWN,
 66	OCTEP_PFVF_LINK_STATUS_UP,
 67};
 68
 69enum octep_pfvf_link_speed {
 70	OCTEP_PFVF_LINK_SPEED_NONE,
 71	OCTEP_PFVF_LINK_SPEED_1000,
 72	OCTEP_PFVF_LINK_SPEED_10000,
 73	OCTEP_PFVF_LINK_SPEED_25000,
 74	OCTEP_PFVF_LINK_SPEED_40000,
 75	OCTEP_PFVF_LINK_SPEED_50000,
 76	OCTEP_PFVF_LINK_SPEED_100000,
 77	OCTEP_PFVF_LINK_SPEED_LAST,
 78};
 79
 80enum octep_pfvf_link_duplex {
 81	OCTEP_PFVF_LINK_HALF_DUPLEX,
 82	OCTEP_PFVF_LINK_FULL_DUPLEX,
 83};
 84
 85enum octep_pfvf_link_autoneg {
 86	OCTEP_PFVF_LINK_AUTONEG,
 87	OCTEP_PFVF_LINK_FIXED,
 88};
 89
 90#define OCTEP_PFVF_MBOX_TIMEOUT_MS     500
 91#define OCTEP_PFVF_MBOX_MAX_RETRIES    2
 92#define OCTEP_PFVF_MBOX_MAX_DATA_SIZE  6
 93#define OCTEP_PFVF_MBOX_MORE_FRAG_FLAG 1
 94#define OCTEP_PFVF_MBOX_WRITE_WAIT_TIME msecs_to_jiffies(1)
 95
 96union octep_pfvf_mbox_word {
 97	u64 u64;
 98	struct {
 99		u64 opcode:8;
100		u64 type:2;
101		u64 rsvd:6;
102		u64 data:48;
103	} s;
104	struct {
105		u64 opcode:8;
106		u64 type:2;
107		u64 frag:1;
108		u64 rsvd:5;
109		u8 data[6];
110	} s_data;
111	struct {
112		u64 opcode:8;
113		u64 type:2;
114		u64 rsvd:6;
115		u64 version:48;
116	} s_version;
117	struct {
118		u64 opcode:8;
119		u64 type:2;
120		u64 rsvd:6;
121		u8 mac_addr[6];
122	} s_set_mac;
123	struct {
124		u64 opcode:8;
125		u64 type:2;
126		u64 rsvd:6;
127		u64 mtu:48;
128	} s_set_mtu;
129	struct {
130		u64 opcode:8;
131		u64 type:2;
132		u64 rsvd:6;
133		u64 mtu:48;
134	} s_get_mtu;
135	struct {
136		u64 opcode:8;
137		u64 type:2;
138		u64 state:1;
139		u64 rsvd:53;
140	} s_link_state;
141	struct {
142		u64 opcode:8;
143		u64 type:2;
144		u64 status:1;
145		u64 rsvd:53;
146	} s_link_status;
147	struct {
148		u64 opcode:8;
149		u64 type:2;
150		u64 pkind:8;
151		u64 fsz:8;
152		u64 rx_ol_flags:16;
153		u64 tx_ol_flags:16;
154		u64 rsvd:6;
155	} s_fw_info;
156	struct {
157		u64 opcode:8;
158		u64 type:2;
159		u64 rsvd:22;
160		u64 rx_ol_flags:16;
161		u64 tx_ol_flags:16;
162	} s_offloads;
163} __packed;
164
165void octep_pfvf_mbox_work(struct work_struct *work);
166int octep_setup_pfvf_mbox(struct octep_device *oct);
167void octep_delete_pfvf_mbox(struct octep_device *oct);
168void octep_pfvf_notify(struct octep_device *oct, struct octep_ctrl_mbox_msg *msg);
169#endif