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/* SPDX-License-Identifier: GPL-2.0 */
/* Marvell Octeon EP (EndPoint) Ethernet Driver
*
* Copyright (C) 2020 Marvell.
*
*/
#ifndef _OCTEP_PFVF_MBOX_H_
#define _OCTEP_PFVF_MBOX_H_
/* VF flags */
#define OCTEON_PFVF_FLAG_MAC_SET_BY_PF BIT_ULL(0) /* PF has set VF MAC address */
#define OCTEON_SDP_16K_HW_FRS 16380UL
#define OCTEON_SDP_64K_HW_FRS 65531UL
enum octep_pfvf_mbox_version {
OCTEP_PFVF_MBOX_VERSION_V0,
OCTEP_PFVF_MBOX_VERSION_V1,
};
enum octep_pfvf_mbox_opcode {
OCTEP_PFVF_MBOX_CMD_VERSION,
OCTEP_PFVF_MBOX_CMD_SET_MTU,
OCTEP_PFVF_MBOX_CMD_SET_MAC_ADDR,
OCTEP_PFVF_MBOX_CMD_GET_MAC_ADDR,
OCTEP_PFVF_MBOX_CMD_GET_LINK_INFO,
OCTEP_PFVF_MBOX_CMD_GET_STATS,
OCTEP_PFVF_MBOX_CMD_SET_RX_STATE,
OCTEP_PFVF_MBOX_CMD_SET_LINK_STATUS,
OCTEP_PFVF_MBOX_CMD_GET_LINK_STATUS,
OCTEP_PFVF_MBOX_CMD_GET_MTU,
OCTEP_PFVF_MBOX_CMD_DEV_REMOVE,
OCTEP_PFVF_MBOX_CMD_MAX,
};
enum octep_pfvf_mbox_word_type {
OCTEP_PFVF_MBOX_TYPE_CMD,
OCTEP_PFVF_MBOX_TYPE_RSP_ACK,
OCTEP_PFVF_MBOX_TYPE_RSP_NACK,
};
enum octep_pfvf_mbox_cmd_status {
OCTEP_PFVF_MBOX_CMD_STATUS_NOT_SETUP = 1,
OCTEP_PFVF_MBOX_CMD_STATUS_TIMEDOUT = 2,
OCTEP_PFVF_MBOX_CMD_STATUS_NACK = 3,
OCTEP_PFVF_MBOX_CMD_STATUS_BUSY = 4
};
enum octep_pfvf_mbox_state {
OCTEP_PFVF_MBOX_STATE_IDLE = 0,
OCTEP_PFVF_MBOX_STATE_BUSY = 1,
};
enum octep_pfvf_link_status {
OCTEP_PFVF_LINK_STATUS_DOWN,
OCTEP_PFVF_LINK_STATUS_UP,
};
enum octep_pfvf_link_speed {
OCTEP_PFVF_LINK_SPEED_NONE,
OCTEP_PFVF_LINK_SPEED_1000,
OCTEP_PFVF_LINK_SPEED_10000,
OCTEP_PFVF_LINK_SPEED_25000,
OCTEP_PFVF_LINK_SPEED_40000,
OCTEP_PFVF_LINK_SPEED_50000,
OCTEP_PFVF_LINK_SPEED_100000,
OCTEP_PFVF_LINK_SPEED_LAST,
};
enum octep_pfvf_link_duplex {
OCTEP_PFVF_LINK_HALF_DUPLEX,
OCTEP_PFVF_LINK_FULL_DUPLEX,
};
enum octep_pfvf_link_autoneg {
OCTEP_PFVF_LINK_AUTONEG,
OCTEP_PFVF_LINK_FIXED,
};
#define OCTEP_PFVF_MBOX_TIMEOUT_MS 500
#define OCTEP_PFVF_MBOX_MAX_RETRIES 2
#define OCTEP_PFVF_MBOX_MAX_DATA_SIZE 6
#define OCTEP_PFVF_MBOX_MORE_FRAG_FLAG 1
#define OCTEP_PFVF_MBOX_WRITE_WAIT_TIME msecs_to_jiffies(1)
union octep_pfvf_mbox_word {
u64 u64;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 data:48;
} s;
struct {
u64 opcode:8;
u64 type:2;
u64 frag:1;
u64 rsvd:5;
u8 data[6];
} s_data;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 version:48;
} s_version;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u8 mac_addr[6];
} s_set_mac;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 mtu:48;
} s_set_mtu;
struct {
u64 opcode:8;
u64 type:2;
u64 rsvd:6;
u64 mtu:48;
} s_get_mtu;
struct {
u64 opcode:8;
u64 type:2;
u64 state:1;
u64 rsvd:53;
} s_link_state;
struct {
u64 opcode:8;
u64 type:2;
u64 status:1;
u64 rsvd:53;
} s_link_status;
} __packed;
void octep_pfvf_mbox_work(struct work_struct *work);
int octep_setup_pfvf_mbox(struct octep_device *oct);
void octep_delete_pfvf_mbox(struct octep_device *oct);
#endif
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