/*
 * Copyright (c) 2016 Hisilicon Limited.
 *
 * 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 _HNS_ROCE_CMD_H
#define _HNS_ROCE_CMD_H

#define HNS_ROCE_MAILBOX_SIZE  4096
#define HNS_ROCE_CMD_TIMEOUT_MSECS 10000

enum {
 /* QPC BT commands */
 HNS_ROCE_CMD_WRITE_QPC_BT0 = 0x0,
 HNS_ROCE_CMD_WRITE_QPC_BT1 = 0x1,
 HNS_ROCE_CMD_WRITE_QPC_BT2 = 0x2,
 HNS_ROCE_CMD_READ_QPC_BT0 = 0x4,
 HNS_ROCE_CMD_READ_QPC_BT1 = 0x5,
 HNS_ROCE_CMD_READ_QPC_BT2 = 0x6,
 HNS_ROCE_CMD_DESTROY_QPC_BT0 = 0x8,
 HNS_ROCE_CMD_DESTROY_QPC_BT1 = 0x9,
 HNS_ROCE_CMD_DESTROY_QPC_BT2 = 0xa,

 /* QPC operation */
 HNS_ROCE_CMD_MODIFY_QPC  = 0x41,
 HNS_ROCE_CMD_QUERY_QPC  = 0x42,

 HNS_ROCE_CMD_MODIFY_CQC  = 0x52,
 HNS_ROCE_CMD_QUERY_CQC  = 0x53,
 /* CQC BT commands */
 HNS_ROCE_CMD_WRITE_CQC_BT0 = 0x10,
 HNS_ROCE_CMD_WRITE_CQC_BT1 = 0x11,
 HNS_ROCE_CMD_WRITE_CQC_BT2 = 0x12,
 HNS_ROCE_CMD_READ_CQC_BT0 = 0x14,
 HNS_ROCE_CMD_READ_CQC_BT1 = 0x15,
 HNS_ROCE_CMD_READ_CQC_BT2 = 0x1b,
 HNS_ROCE_CMD_DESTROY_CQC_BT0 = 0x18,
 HNS_ROCE_CMD_DESTROY_CQC_BT1 = 0x19,
 HNS_ROCE_CMD_DESTROY_CQC_BT2 = 0x1a,

 /* MPT BT commands */
 HNS_ROCE_CMD_WRITE_MPT_BT0 = 0x20,
 HNS_ROCE_CMD_WRITE_MPT_BT1 = 0x21,
 HNS_ROCE_CMD_WRITE_MPT_BT2 = 0x22,
 HNS_ROCE_CMD_READ_MPT_BT0 = 0x24,
 HNS_ROCE_CMD_READ_MPT_BT1 = 0x25,
 HNS_ROCE_CMD_READ_MPT_BT2 = 0x26,
 HNS_ROCE_CMD_DESTROY_MPT_BT0 = 0x28,
 HNS_ROCE_CMD_DESTROY_MPT_BT1 = 0x29,
 HNS_ROCE_CMD_DESTROY_MPT_BT2 = 0x2a,

 /* CQC TIMER commands */
 HNS_ROCE_CMD_WRITE_CQC_TIMER_BT0 = 0x23,
 HNS_ROCE_CMD_READ_CQC_TIMER_BT0  = 0x27,

 /* MPT commands */
 HNS_ROCE_CMD_QUERY_MPT  = 0x62,

 /* SRQC BT commands */
 HNS_ROCE_CMD_WRITE_SRQC_BT0 = 0x30,
 HNS_ROCE_CMD_WRITE_SRQC_BT1 = 0x31,
 HNS_ROCE_CMD_WRITE_SRQC_BT2 = 0x32,
 HNS_ROCE_CMD_READ_SRQC_BT0 = 0x34,
 HNS_ROCE_CMD_READ_SRQC_BT1 = 0x35,
 HNS_ROCE_CMD_READ_SRQC_BT2 = 0x36,
 HNS_ROCE_CMD_DESTROY_SRQC_BT0 = 0x38,
 HNS_ROCE_CMD_DESTROY_SRQC_BT1 = 0x39,
 HNS_ROCE_CMD_DESTROY_SRQC_BT2 = 0x3a,

 /* QPC TIMER commands */
 HNS_ROCE_CMD_WRITE_QPC_TIMER_BT0 = 0x33,
 HNS_ROCE_CMD_READ_QPC_TIMER_BT0  = 0x37,

 /* EQC commands */
 HNS_ROCE_CMD_CREATE_AEQC = 0x80,
 HNS_ROCE_CMD_MODIFY_AEQC = 0x81,
 HNS_ROCE_CMD_QUERY_AEQC  = 0x82,
 HNS_ROCE_CMD_DESTROY_AEQC = 0x83,
 HNS_ROCE_CMD_CREATE_CEQC = 0x90,
 HNS_ROCE_CMD_MODIFY_CEQC = 0x91,
 HNS_ROCE_CMD_QUERY_CEQC  = 0x92,
 HNS_ROCE_CMD_DESTROY_CEQC = 0x93,

 /* SCC CTX commands */
 HNS_ROCE_CMD_QUERY_SCCC  = 0xa2,

 /* SCC CTX BT commands */
 HNS_ROCE_CMD_READ_SCCC_BT0 = 0xa4,
 HNS_ROCE_CMD_WRITE_SCCC_BT0 = 0xa5,
};

enum {
 /* TPT commands */
 HNS_ROCE_CMD_CREATE_MPT  = 0xd,
 HNS_ROCE_CMD_DESTROY_MPT = 0xf,

 /* CQ commands */
 HNS_ROCE_CMD_CREATE_CQC  = 0x16,
 HNS_ROCE_CMD_DESTROY_CQC = 0x17,

 /* QP/EE commands */
 HNS_ROCE_CMD_RST2INIT_QP = 0x19,
 HNS_ROCE_CMD_INIT2RTR_QP = 0x1a,
 HNS_ROCE_CMD_RTR2RTS_QP  = 0x1b,
 HNS_ROCE_CMD_RTS2RTS_QP  = 0x1c,
 HNS_ROCE_CMD_2ERR_QP  = 0x1e,
 HNS_ROCE_CMD_RTS2SQD_QP  = 0x1f,
 HNS_ROCE_CMD_SQD2RTS_QP  = 0x20,
 HNS_ROCE_CMD_2RST_QP  = 0x21,
 HNS_ROCE_CMD_QUERY_QP  = 0x22,
 HNS_ROCE_CMD_SQD2SQD_QP  = 0x38,
 HNS_ROCE_CMD_CREATE_SRQ  = 0x70,
 HNS_ROCE_CMD_MODIFY_SRQC = 0x72,
 HNS_ROCE_CMD_QUERY_SRQC  = 0x73,
 HNS_ROCE_CMD_DESTROY_SRQ = 0x74,
};

int hns_roce_cmd_mbox(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param,
        u8 cmd, unsigned long tag);

struct hns_roce_cmd_mailbox *
hns_roce_alloc_cmd_mailbox(struct hns_roce_dev *hr_dev);
void hns_roce_free_cmd_mailbox(struct hns_roce_dev *hr_dev,
          struct hns_roce_cmd_mailbox *mailbox);
int hns_roce_create_hw_ctx(struct hns_roce_dev *dev,
      struct hns_roce_cmd_mailbox *mailbox,
      u8 cmd, unsigned long idx);
int hns_roce_destroy_hw_ctx(struct hns_roce_dev *dev, u8 cmd,
       unsigned long idx);

#endif /* _HNS_ROCE_CMD_H */