1#define XCOPY_TARGET_DESC_LEN 32 2#define XCOPY_SEGMENT_DESC_LEN 28 3#define XCOPY_NAA_IEEE_REGEX_LEN 16 4#define XCOPY_MAX_SECTORS 1024 5 6enum xcopy_origin_list { 7 XCOL_SOURCE_RECV_OP = 0x01, 8 XCOL_DEST_RECV_OP = 0x02, 9}; 10 11struct xcopy_pt_cmd; 12 13struct xcopy_op { 14 int op_origin; 15 16 struct se_cmd *xop_se_cmd; 17 struct se_device *src_dev; 18 unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 19 struct se_device *dst_dev; 20 unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 21 unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 22 23 sector_t src_lba; 24 sector_t dst_lba; 25 unsigned short stdi; 26 unsigned short dtdi; 27 unsigned short nolb; 28 unsigned int dbl; 29 30 struct xcopy_pt_cmd *src_pt_cmd; 31 struct xcopy_pt_cmd *dst_pt_cmd; 32 33 u32 xop_data_nents; 34 struct scatterlist *xop_data_sg; 35 struct work_struct xop_work; 36}; 37 38/* 39 * Receive Copy Results Sevice Actions 40 */ 41#define RCR_SA_COPY_STATUS 0x00 42#define RCR_SA_RECEIVE_DATA 0x01 43#define RCR_SA_OPERATING_PARAMETERS 0x03 44#define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 45 46/* 47 * Receive Copy Results defs for Operating Parameters 48 */ 49#define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 50#define RCR_OP_MAX_SG_DESC_COUNT 0x1 51#define RCR_OP_MAX_DESC_LIST_LEN 1024 52#define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ 53#define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ 54#define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ 55#define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ 56#define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 57#define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 58 59extern int target_xcopy_setup_pt(void); 60extern void target_xcopy_release_pt(void); 61extern sense_reason_t target_do_xcopy(struct se_cmd *); 62extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); 63