/*
 * Copyright (c) 2006 Cisco Systems, Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX4_CMD_H
#define MLX4_CMD_H

#include <linux/dma-mapping.h>
#include <linux/if_link.h>
#include <linux/mlx4/device.h>
#include <linux/netdevice.h>

enum {
        /* initialization and general commands */
        MLX4_CMD_SYS_EN          = 0x1,
        MLX4_CMD_SYS_DIS         = 0x2,
        MLX4_CMD_MAP_FA          = 0xfff,
        MLX4_CMD_UNMAP_FA        = 0xffe,
        MLX4_CMD_RUN_FW          = 0xff6,
        MLX4_CMD_MOD_STAT_CFG    = 0x34,
        MLX4_CMD_QUERY_DEV_CAP   = 0x3,
        MLX4_CMD_QUERY_FW        = 0x4,
        MLX4_CMD_ENABLE_LAM      = 0xff8,
        MLX4_CMD_DISABLE_LAM     = 0xff7,
        MLX4_CMD_QUERY_DDR       = 0x5,
        MLX4_CMD_QUERY_ADAPTER   = 0x6,
        MLX4_CMD_INIT_HCA        = 0x7,
        MLX4_CMD_CLOSE_HCA       = 0x8,
        MLX4_CMD_INIT_PORT       = 0x9,
        MLX4_CMD_CLOSE_PORT      = 0xa,
        MLX4_CMD_QUERY_HCA       = 0xb,
        MLX4_CMD_QUERY_PORT      = 0x43,
        MLX4_CMD_SENSE_PORT      = 0x4d,
        MLX4_CMD_HW_HEALTH_CHECK = 0x50,
        MLX4_CMD_SET_PORT        = 0xc,
        MLX4_CMD_SET_NODE        = 0x5a,
        MLX4_CMD_QUERY_FUNC      = 0x56,
        MLX4_CMD_ACCESS_DDR      = 0x2e,
        MLX4_CMD_MAP_ICM         = 0xffa,
        MLX4_CMD_UNMAP_ICM       = 0xff9,
        MLX4_CMD_MAP_ICM_AUX     = 0xffc,
        MLX4_CMD_UNMAP_ICM_AUX   = 0xffb,
        MLX4_CMD_SET_ICM_SIZE    = 0xffd,
        MLX4_CMD_ACCESS_REG      = 0x3b,
        MLX4_CMD_ALLOCATE_VPP    = 0x80,
        MLX4_CMD_SET_VPORT_QOS   = 0x81,

        /*master notify fw on finish for slave's flr*/
        MLX4_CMD_INFORM_FLR_DONE = 0x5b,
        MLX4_CMD_VIRT_PORT_MAP   = 0x5c,
        MLX4_CMD_GET_OP_REQ      = 0x59,

        /* TPT commands */
        MLX4_CMD_SW2HW_MPT       = 0xd,
        MLX4_CMD_QUERY_MPT       = 0xe,
        MLX4_CMD_HW2SW_MPT       = 0xf,
        MLX4_CMD_READ_MTT        = 0x10,
        MLX4_CMD_WRITE_MTT       = 0x11,
        MLX4_CMD_SYNC_TPT        = 0x2f,

        /* EQ commands */
        MLX4_CMD_MAP_EQ          = 0x12,
        MLX4_CMD_SW2HW_EQ        = 0x13,
        MLX4_CMD_HW2SW_EQ        = 0x14,
        MLX4_CMD_QUERY_EQ        = 0x15,

        /* CQ commands */
        MLX4_CMD_SW2HW_CQ        = 0x16,
        MLX4_CMD_HW2SW_CQ        = 0x17,
        MLX4_CMD_QUERY_CQ        = 0x18,
        MLX4_CMD_MODIFY_CQ       = 0x2c,

        /* SRQ commands */
        MLX4_CMD_SW2HW_SRQ       = 0x35,
        MLX4_CMD_HW2SW_SRQ       = 0x36,
        MLX4_CMD_QUERY_SRQ       = 0x37,
        MLX4_CMD_ARM_SRQ         = 0x40,

        /* QP/EE commands */
        MLX4_CMD_RST2INIT_QP     = 0x19,
        MLX4_CMD_INIT2RTR_QP     = 0x1a,
        MLX4_CMD_RTR2RTS_QP      = 0x1b,
        MLX4_CMD_RTS2RTS_QP      = 0x1c,
        MLX4_CMD_SQERR2RTS_QP    = 0x1d,
        MLX4_CMD_2ERR_QP         = 0x1e,
        MLX4_CMD_RTS2SQD_QP      = 0x1f,
        MLX4_CMD_SQD2SQD_QP      = 0x38,
        MLX4_CMD_SQD2RTS_QP      = 0x20,
        MLX4_CMD_2RST_QP         = 0x21,
        MLX4_CMD_QUERY_QP        = 0x22,
        MLX4_CMD_INIT2INIT_QP    = 0x2d,
        MLX4_CMD_SUSPEND_QP      = 0x32,
        MLX4_CMD_UNSUSPEND_QP    = 0x33,
        MLX4_CMD_UPDATE_QP       = 0x61,
        /* special QP and management commands */
        MLX4_CMD_CONF_SPECIAL_QP = 0x23,
        MLX4_CMD_MAD_IFC         = 0x24,
        MLX4_CMD_MAD_DEMUX       = 0x203,

        /* multicast commands */
        MLX4_CMD_READ_MCG        = 0x25,
        MLX4_CMD_WRITE_MCG       = 0x26,
        MLX4_CMD_MGID_HASH       = 0x27,

        /* miscellaneous commands */
        MLX4_CMD_DIAG_RPRT       = 0x30,
        MLX4_CMD_NOP             = 0x31,
        MLX4_CMD_CONFIG_DEV      = 0x3a,
        MLX4_CMD_ACCESS_MEM      = 0x2e,
        MLX4_CMD_SET_VEP         = 0x52,

        /* Ethernet specific commands */
        MLX4_CMD_SET_VLAN_FLTR   = 0x47,
        MLX4_CMD_SET_MCAST_FLTR  = 0x48,
        MLX4_CMD_DUMP_ETH_STATS  = 0x49,

        /* Communication channel commands */
        MLX4_CMD_ARM_COMM_CHANNEL = 0x57,
        MLX4_CMD_GEN_EQE         = 0x58,

        /* virtual commands */
        MLX4_CMD_ALLOC_RES       = 0xf00,
        MLX4_CMD_FREE_RES        = 0xf01,
        MLX4_CMD_MCAST_ATTACH    = 0xf05,
        MLX4_CMD_UCAST_ATTACH    = 0xf06,
        MLX4_CMD_PROMISC         = 0xf08,
        MLX4_CMD_QUERY_FUNC_CAP  = 0xf0a,
        MLX4_CMD_QP_ATTACH       = 0xf0b,

        /* debug commands */
        MLX4_CMD_QUERY_DEBUG_MSG = 0x2a,
        MLX4_CMD_SET_DEBUG_MSG   = 0x2b,

        /* statistics commands */
        MLX4_CMD_QUERY_IF_STAT   = 0X54,
        MLX4_CMD_SET_IF_STAT     = 0X55,

        /* register/delete flow steering network rules */
        MLX4_QP_FLOW_STEERING_ATTACH = 0x65,
        MLX4_QP_FLOW_STEERING_DETACH = 0x66,
        MLX4_FLOW_STEERING_IB_UC_QP_RANGE = 0x64,

        /* Update and read QCN parameters */
        MLX4_CMD_CONGESTION_CTRL_OPCODE = 0x68,
};

enum {
        MLX4_CMD_TIME_CLASS_A   = 60000,
        MLX4_CMD_TIME_CLASS_B   = 60000,
        MLX4_CMD_TIME_CLASS_C   = 60000,
};

enum {
        /* virtual to physical port mapping opcode modifiers */
        MLX4_GET_PORT_VIRT2PHY = 0x0,
        MLX4_SET_PORT_VIRT2PHY = 0x1,
};

enum {
        MLX4_MAILBOX_SIZE       = 4096,
        MLX4_ACCESS_MEM_ALIGN   = 256,
};

enum {
        /* Set port opcode modifiers */
        MLX4_SET_PORT_IB_OPCODE         = 0x0,
        MLX4_SET_PORT_ETH_OPCODE        = 0x1,
        MLX4_SET_PORT_BEACON_OPCODE     = 0x4,
};

enum {
        /* Set port Ethernet input modifiers */
        MLX4_SET_PORT_GENERAL   = 0x0,
        MLX4_SET_PORT_RQP_CALC  = 0x1,
        MLX4_SET_PORT_MAC_TABLE = 0x2,
        MLX4_SET_PORT_VLAN_TABLE = 0x3,
        MLX4_SET_PORT_PRIO_MAP  = 0x4,
        MLX4_SET_PORT_GID_TABLE = 0x5,
        MLX4_SET_PORT_PRIO2TC   = 0x8,
        MLX4_SET_PORT_SCHEDULER = 0x9,
        MLX4_SET_PORT_VXLAN     = 0xB,
        MLX4_SET_PORT_ROCE_ADDR = 0xD
};

enum {
        MLX4_CMD_MAD_DEMUX_CONFIG       = 0,
        MLX4_CMD_MAD_DEMUX_QUERY_STATE  = 1,
        MLX4_CMD_MAD_DEMUX_QUERY_RESTR  = 2, /* Query mad demux restrictions */
};

enum {
        MLX4_CMD_WRAPPED,
        MLX4_CMD_NATIVE
};

/*
 * MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP -
 * Receive checksum value is reported in CQE also for non TCP/UDP packets.
 *
 * MLX4_RX_CSUM_MODE_L4 -
 * L4_CSUM bit in CQE, which indicates whether or not L4 checksum
 * was validated correctly, is supported.
 *
 * MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP -
 * IP_OK CQE's field is supported also for non TCP/UDP IP packets.
 *
 * MLX4_RX_CSUM_MODE_MULTI_VLAN -
 * Receive Checksum offload is supported for packets with more than 2 vlan headers.
 */
enum mlx4_rx_csum_mode {
        MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP               = 1UL << 0,
        MLX4_RX_CSUM_MODE_L4                            = 1UL << 1,
        MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP          = 1UL << 2,
        MLX4_RX_CSUM_MODE_MULTI_VLAN                    = 1UL << 3
};

struct mlx4_config_dev_params {
        u16     vxlan_udp_dport;
        u8      rx_csum_flags_port_1;
        u8      rx_csum_flags_port_2;
};

enum mlx4_en_congestion_control_algorithm {
        MLX4_CTRL_ALGO_802_1_QAU_REACTION_POINT = 0,
};

enum mlx4_en_congestion_control_opmod {
        MLX4_CONGESTION_CONTROL_GET_PARAMS,
        MLX4_CONGESTION_CONTROL_GET_STATISTICS,
        MLX4_CONGESTION_CONTROL_SET_PARAMS = 4,
};

struct mlx4_dev;

struct mlx4_cmd_mailbox {
        void                   *buf;
        dma_addr_t              dma;
};

int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
               int out_is_imm, u32 in_modifier, u8 op_modifier,
               u16 op, unsigned long timeout, int native);

/* Invoke a command with no output parameter */
static inline int mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u32 in_modifier,
                           u8 op_modifier, u16 op, unsigned long timeout,
                           int native)
{
        return __mlx4_cmd(dev, in_param, NULL, 0, in_modifier,
                          op_modifier, op, timeout, native);
}

/* Invoke a command with an output mailbox */
static inline int mlx4_cmd_box(struct mlx4_dev *dev, u64 in_param, u64 out_param,
                               u32 in_modifier, u8 op_modifier, u16 op,
                               unsigned long timeout, int native)
{
        return __mlx4_cmd(dev, in_param, &out_param, 0, in_modifier,
                          op_modifier, op, timeout, native);
}

/*
 * Invoke a command with an immediate output parameter (and copy the
 * output into the caller's out_param pointer after the command
 * executes).
 */
static inline int mlx4_cmd_imm(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
                               u32 in_modifier, u8 op_modifier, u16 op,
                               unsigned long timeout, int native)
{
        return __mlx4_cmd(dev, in_param, out_param, 1, in_modifier,
                          op_modifier, op, timeout, native);
}

struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev);
void mlx4_free_cmd_mailbox(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox);

int mlx4_get_counter_stats(struct mlx4_dev *dev, int counter_index,
                           struct mlx4_counter *counter_stats, int reset);
int mlx4_get_vf_stats(struct mlx4_dev *dev, int port, int vf_idx,
                      struct ifla_vf_stats *vf_stats);
u32 mlx4_comm_get_version(void);
int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u8 *mac);
int mlx4_set_vf_vlan(struct mlx4_dev *dev, int port, int vf, u16 vlan,
                     u8 qos, __be16 proto);
int mlx4_set_vf_rate(struct mlx4_dev *dev, int port, int vf, int min_tx_rate,
                     int max_tx_rate);
int mlx4_set_vf_spoofchk(struct mlx4_dev *dev, int port, int vf, bool setting);
int mlx4_get_vf_config(struct mlx4_dev *dev, int port, int vf, struct ifla_vf_info *ivf);
int mlx4_set_vf_link_state(struct mlx4_dev *dev, int port, int vf, int link_state);
int mlx4_config_dev_retrieval(struct mlx4_dev *dev,
                              struct mlx4_config_dev_params *params);
void mlx4_cmd_wake_completions(struct mlx4_dev *dev);
void mlx4_report_internal_err_comm_event(struct mlx4_dev *dev);
/*
 * mlx4_get_slave_default_vlan -
 * return true if VST ( default vlan)
 * if VST, will return vlan & qos (if not NULL)
 */
bool mlx4_get_slave_default_vlan(struct mlx4_dev *dev, int port, int slave,
                                 u16 *vlan, u8 *qos);

#define MLX4_COMM_GET_IF_REV(cmd_chan_ver) (u8)((cmd_chan_ver) >> 8)
#define COMM_CHAN_EVENT_INTERNAL_ERR (1 << 17)

#endif /* MLX4_CMD_H */