/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PS3_CMD_STAT_DEF_H_
#define _PS3_CMD_STAT_DEF_H_

#ifndef _WINDOWS
#include <linux/workqueue.h>
#include <linux/mutex.h>
#else
#include "ps3_worker.h"
#endif
#include "ps3_htp_def.h"

#ifdef __cplusplus
extern "C" {
#endif

struct ps3_instance;

enum {
	PS3_STAT_LOG_COUNT = 0,
	PS3_STAT_LOG_MAX_COUNT = 10,
	PS3_STAT_START = 0,
	PS3_STAT_BACK = 1,
	PS3_STAT_WROKQ_NAME_MAX_LEN = 16,
	PS3_STAT_WORKQ_INTERVAL_DEFAULT = 5000,
};

enum ps3_cmd_stat_item {
	PS3_SCSI_DRV_READ,
	PS3_SCSI_DRV_WRITE,
	PS3_SCSI_DRV_NORW,
	PS3_SCSI_DRV_ALL,
	PS3_DRV_IOC_READ,
	PS3_DRV_IOC_WRITE,
	PS3_DRV_IOC_NORW,
	PS3_DRV_IOC_ALL,
	PS3_DRV_IOC_VD_READ,
	PS3_DRV_IOC_VD_WRITE,
	PS3_DRV_IOC_VD_NORW,
	PS3_DRV_IOC_PD_READ,
	PS3_DRV_IOC_PD_WRITE,
	PS3_DRV_IOC_PD_NORW,
	PS3_DRV_IOC_VD_D_READ,
	PS3_DRV_IOC_VD_D_WRITE,
	PS3_DRV_IOC_PD_D_READ,
	PS3_DRV_IOC_PD_D_WRITE,
	PS3_DRV_IOC_MGR,
	PS3_SCSI_ABORT,
	PS3_SCSI_DEVICE_RESET,
	PS3_SCSI_RETRY_CMD,
	PS3_QOS_PD_PRO,
	PS3_QOS_VD_PRO,
	PS3_QOS_TAG_PRO,
	PS3_QOS_MGR_PRO,
	PS3_QOS_CMD_PRO,
	PS3_QOS_PD_QUEUE,
	PS3_QOS_VD_QUEUE,
	PS3_QOS_TAG_QUEUE,
	PS3_QOS_MGR_QUEUE,
	PS3_QOS_CMD_QUEUE,
	PS3_CMD_STAT_COUNT,
};

static inline const char *
ps3_cmd_stat_item_tostring(enum ps3_cmd_stat_item type)
{
	static const char * const itme_string[] = {
		[PS3_SCSI_DRV_READ] = "scsi_drv_read",
		[PS3_SCSI_DRV_WRITE] = "scsi_drv_write",
		[PS3_SCSI_DRV_NORW] = "scsi_drv_norw",
		[PS3_SCSI_DRV_ALL] = "scsi_drv_all",
		[PS3_DRV_IOC_READ] = "scsi_drv_ioc_read",
		[PS3_DRV_IOC_WRITE] = "scsi_drv_ioc_write",
		[PS3_DRV_IOC_NORW] = "scsi_drv_ioc_norw",
		[PS3_DRV_IOC_ALL] = "scsi_drv_ioc_all",
		[PS3_DRV_IOC_VD_READ] = "scsi_drv_ioc_vd_read",
		[PS3_DRV_IOC_VD_WRITE] = "scsi_drv_ioc_vd_write",
		[PS3_DRV_IOC_VD_NORW] = "scsi_drv_ioc_vd_norw",
		[PS3_DRV_IOC_PD_READ] = "scsi_drv_ioc_pd_read",
		[PS3_DRV_IOC_PD_WRITE] = "scsi_drv_ioc_pd_write",
		[PS3_DRV_IOC_PD_NORW] = "scsi_drv_ioc_pd_norw",
		[PS3_DRV_IOC_VD_D_READ] = "scsi_drv_ioc_vd_d_read",
		[PS3_DRV_IOC_VD_D_WRITE] = "scsi_drv_ioc_vd_d_write",
		[PS3_DRV_IOC_PD_D_READ] = "scsi_drv_ioc_pd_d_read",
		[PS3_DRV_IOC_PD_D_WRITE] = "scsi_drv_ioc_pd_d_write",
		[PS3_DRV_IOC_MGR] = "mgr_drv_ioc_cmd",
		[PS3_SCSI_ABORT] = "task_abort",
		[PS3_SCSI_DEVICE_RESET] = "task_reset",
		[PS3_SCSI_RETRY_CMD] = "scsi_retry_cmd",
		[PS3_QOS_PD_PRO] = "qos_pd_pro",
		[PS3_QOS_VD_PRO] = "qos_vd_pro",
		[PS3_QOS_TAG_PRO] = "qos_tag_pro",
		[PS3_QOS_MGR_PRO] = "qos_mgr_pro",
		[PS3_QOS_CMD_PRO] = "qos_cmd_pro",
		[PS3_QOS_PD_QUEUE] = "qos_pd_queue",
		[PS3_QOS_VD_QUEUE] = "qos_vd_queue",
		[PS3_QOS_TAG_QUEUE] = "qos_tag_queue",
		[PS3_QOS_MGR_QUEUE] = "qos_mgr_queue",
		[PS3_QOS_CMD_QUEUE] = "qos_cmd_queue",
		[PS3_CMD_STAT_COUNT] = "type_unknown",
	};

	return (type >= PS3_CMD_STAT_COUNT) ? "type_unknown" :
					      itme_string[type];
}

struct ps3_lagency_info {
	unsigned long long start_time;
	unsigned long long back_time;
	unsigned long long avg;
	unsigned long long max_lagency;
	unsigned long long min_lagency;
	unsigned long long all;
};

struct ps3_cmd_stat_entry {
	unsigned long long start;
	unsigned long long back_good;
	unsigned long long back_err;
	unsigned long long not_back;
	struct ps3_lagency_info lagency;
};

struct ps3_total_cmd_stat {
	struct ps3_cmd_stat_entry stat[PS3_CMD_STAT_COUNT];
};

enum ps3_cmd_stat_back_flag {
	PS3_STAT_BACK_OK,
	PS3_STAT_BACK_FAIL,
	PS3_STAT_BACK_NO = 0xFF,
};

struct ps3_single_cmd_stat {
	struct ps3_cmd_stat_entry stat[PS3_CMD_STAT_COUNT];
};

enum ps3_cmd_stat_switch_flag {
	PS3_STAT_ALL_SWITCH_CLOSE = 0x00,
	PS3_STAT_OUTSTAND_SWITCH_OPEN = 0x01,
	PS3_STAT_INC_SWITCH_OPEN = 0x02,
	PS3_STAT_LOG_SWITCH_OPEN = 0x04,
	PS3_STAT_DEV_SWITCH_OPEN = 0x08,
	PS3_STAT_QOS_SWITCH_OPEN = 0x10,
	PS3_STAT_ALL_SWITCH_OPEN =
		(PS3_STAT_OUTSTAND_SWITCH_OPEN | PS3_STAT_INC_SWITCH_OPEN |
		 PS3_STAT_LOG_SWITCH_OPEN | PS3_STAT_DEV_SWITCH_OPEN |
		 PS3_STAT_QOS_SWITCH_OPEN),
};

struct ps3_cmd_stat_wrokq_context {
#ifndef _WINDOWS
	struct delayed_work stat_work;
	struct workqueue_struct *stat_queue;
	struct ps3_instance *instance;
#else
	struct ps3_delay_worker statis_work;
#endif
	unsigned char is_stop;
};

struct ps3_cmd_statistics_context {
	atomic_t cmd_outstanding;
	atomic_t io_outstanding;
	atomic_t vd_io_outstanding;
	atomic_t cmd_delivering;
	atomic_t scsi_cmd_delivering;
	atomic64_t cmd_word_send_count;
	struct ps3_total_cmd_stat total_stat;
	struct ps3_total_cmd_stat inc_stat;
	struct ps3_single_cmd_stat **cmd_stat_backup_buf;
	struct ps3_single_cmd_stat **last_stat_buf;
	struct ps3_single_cmd_stat **cmd_stat_buf;
	unsigned int stat_entry_max_count;
	unsigned int stat_interval;
	struct ps3_cmd_stat_wrokq_context stat_workq;
	unsigned char cmd_stat_switch;
	unsigned char log_record_count;
	atomic_t cli_cnt;
	atomic_t cmd_qos_processing;
	atomic64_t cmd_qos_total;
	unsigned char reserved2[2];
};

#ifdef __cplusplus
}
#endif

#endif