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hw/ufs: Support for Query Transfer Requests

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This commit makes the UFS device support query
and nop out transfer requests.

The next patch would be support for UFS logical
unit and scsi command transfer request.

Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: ff7a5f0fd26761936a553ffb89d3df0ba62844e9.1693980783.git.jeuk20.kim@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jeuk Kim 2023-09-06 16:43:49 +09:00 committed by Stefan Hajnoczi
parent bc4e68d362
commit 329f166244
3 changed files with 1033 additions and 2 deletions
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1
hw/ufs/trace-events
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@ -18,6 +18,7 @@ ufs_err_dma_read_req_upiu(uint32_t slot, uint64_t addr) "failed to read req upiu
ufs_err_dma_read_prdt(uint32_t slot, uint64_t addr) "failed to read prdt. UTRLDBR slot %"PRIu32", prdt addr %"PRIu64""
ufs_err_dma_write_utrd(uint32_t slot, uint64_t addr) "failed to write utrd. UTRLDBR slot %"PRIu32", UTRD dma addr %"PRIu64""
ufs_err_dma_write_rsp_upiu(uint32_t slot, uint64_t addr) "failed to write rsp upiu. UTRLDBR slot %"PRIu32", response upiu addr %"PRIu64""
ufs_err_utrl_slot_error(uint32_t slot) "UTRLDBR slot %"PRIu32" is in error"
ufs_err_utrl_slot_busy(uint32_t slot) "UTRLDBR slot %"PRIu32" is busy"
ufs_err_unsupport_register_offset(uint32_t offset) "Register offset 0x%"PRIx32" is not yet supported"
ufs_err_invalid_register_offset(uint32_t offset) "Register offset 0x%"PRIx32" is invalid"

988
hw/ufs/ufs.c
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File diff suppressed because it is too large Load Diff

46
hw/ufs/ufs.h
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@ -18,6 +18,32 @@
#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 */
@ -30,6 +56,12 @@ typedef struct UfsHc {
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;
@ -39,4 +71,18 @@ typedef struct 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 */