diff options
Diffstat (limited to 'drivers/scsi/ufs/ufs.h')
-rw-r--r-- | drivers/scsi/ufs/ufs.h | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 139bc0647b41..51b5e3f72bcb 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -36,10 +36,13 @@ #ifndef _UFS_H #define _UFS_H +#include <linux/mutex.h> +#include <linux/types.h> + #define MAX_CDB_SIZE 16 #define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\ - ((byte3 << 24) | (byte2 << 16) |\ + cpu_to_be32((byte3 << 24) | (byte2 << 16) |\ (byte1 << 8) | (byte0)) /* @@ -73,6 +76,7 @@ enum { UPIU_TRANSACTION_TASK_RSP = 0x24, UPIU_TRANSACTION_READY_XFER = 0x31, UPIU_TRANSACTION_QUERY_RSP = 0x36, + UPIU_TRANSACTION_REJECT_UPIU = 0x3F, }; /* UPIU Read/Write flags */ @@ -110,6 +114,12 @@ enum { UPIU_COMMAND_SET_TYPE_QUERY = 0x2, }; +/* UTP Transfer Request Command Offset */ +#define UPIU_COMMAND_TYPE_OFFSET 28 + +/* Offset of the response code in the UPIU header */ +#define UPIU_RSP_CODE_OFFSET 8 + enum { MASK_SCSI_STATUS = 0xFF, MASK_TASK_RESPONSE = 0xFF00, @@ -138,26 +148,32 @@ struct utp_upiu_header { /** * struct utp_upiu_cmd - Command UPIU structure - * @header: UPIU header structure DW-0 to DW-2 * @data_transfer_len: Data Transfer Length DW-3 * @cdb: Command Descriptor Block CDB DW-4 to DW-7 */ struct utp_upiu_cmd { - struct utp_upiu_header header; u32 exp_data_transfer_len; u8 cdb[MAX_CDB_SIZE]; }; /** - * struct utp_upiu_rsp - Response UPIU structure - * @header: UPIU header DW-0 to DW-2 + * struct utp_upiu_req - general upiu request structure + * @header:UPIU header structure DW-0 to DW-2 + * @sc: fields structure for scsi command DW-3 to DW-7 + */ +struct utp_upiu_req { + struct utp_upiu_header header; + struct utp_upiu_cmd sc; +}; + +/** + * struct utp_cmd_rsp - Response UPIU structure * @residual_transfer_count: Residual transfer count DW-3 * @reserved: Reserved double words DW-4 to DW-7 * @sense_data_len: Sense data length DW-8 U16 * @sense_data: Sense data field DW-8 to DW-12 */ -struct utp_upiu_rsp { - struct utp_upiu_header header; +struct utp_cmd_rsp { u32 residual_transfer_count; u32 reserved[4]; u16 sense_data_len; @@ -165,6 +181,16 @@ struct utp_upiu_rsp { }; /** + * struct utp_upiu_rsp - general upiu response structure + * @header: UPIU header structure DW-0 to DW-2 + * @sr: fields structure for scsi command DW-3 to DW-12 + */ +struct utp_upiu_rsp { + struct utp_upiu_header header; + struct utp_cmd_rsp sr; +}; + +/** * struct utp_upiu_task_req - Task request UPIU structure * @header - UPIU header structure DW0 to DW-2 * @input_param1: Input parameter 1 DW-3 |