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/*
* QEMU UFS
*
* Copyright (c) 2023 Samsung Electronics Co., Ltd. All rights reserved.
*
* Written by Jeuk Kim <jeuk20.kim@samsung.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef HW_UFS_UFS_H
#define HW_UFS_UFS_H
#include "hw/pci/pci_device.h"
#include "hw/scsi/scsi.h"
#include "block/ufs.h"
#define UFS_MAX_LUS 32
#define UFS_BLOCK_SIZE 4096
typedef enum UfsRequestState {
UFS_REQUEST_IDLE = 0,
UFS_REQUEST_READY = 1,
UFS_REQUEST_RUNNING = 2,
UFS_REQUEST_COMPLETE = 3,
UFS_REQUEST_ERROR = 4,
} UfsRequestState;
typedef enum UfsReqResult {
UFS_REQUEST_SUCCESS = 0,
UFS_REQUEST_FAIL = 1,
} UfsReqResult;
typedef struct UfsRequest {
struct UfsHc *hc;
UfsRequestState state;
int slot;
UtpTransferReqDesc utrd;
UtpUpiuReq req_upiu;
UtpUpiuRsp rsp_upiu;
/* for scsi command */
QEMUSGList *sg;
} UfsRequest;
typedef struct UfsParams {
char *serial;
uint8_t nutrs; /* Number of UTP Transfer Request Slots */
uint8_t nutmrs; /* Number of UTP Task Management Request Slots */
} UfsParams;
typedef struct UfsHc {
PCIDevice parent_obj;
MemoryRegion iomem;
UfsReg reg;
UfsParams params;
uint32_t reg_size;
UfsRequest *req_list;
DeviceDescriptor device_desc;
GeometryDescriptor geometry_desc;
Attributes attributes;
Flags flags;
qemu_irq irq;
QEMUBH *doorbell_bh;
QEMUBH *complete_bh;
} UfsHc;
#define TYPE_UFS "ufs"
#define UFS(obj) OBJECT_CHECK(UfsHc, (obj), TYPE_UFS)
typedef enum UfsQueryFlagPerm {
UFS_QUERY_FLAG_NONE = 0x0,
UFS_QUERY_FLAG_READ = 0x1,
UFS_QUERY_FLAG_SET = 0x2,
UFS_QUERY_FLAG_CLEAR = 0x4,
UFS_QUERY_FLAG_TOGGLE = 0x8,
} UfsQueryFlagPerm;
typedef enum UfsQueryAttrPerm {
UFS_QUERY_ATTR_NONE = 0x0,
UFS_QUERY_ATTR_READ = 0x1,
UFS_QUERY_ATTR_WRITE = 0x2,
} UfsQueryAttrPerm;
#endif /* HW_UFS_UFS_H */
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