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 6 enum xcopy_origin_list { 7 XCOL_SOURCE_RECV_OP = 0x01, 8 XCOL_DEST_RECV_OP = 0x02, 9 }; 10 11 struct xcopy_pt_cmd; 12 13 struct 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 struct percpu_ref *remote_lun_ref; 23 24 sector_t src_lba; 25 sector_t dst_lba; 26 unsigned short stdi; 27 unsigned short dtdi; 28 unsigned short nolb; 29 unsigned int dbl; 30 31 struct xcopy_pt_cmd *src_pt_cmd; 32 struct xcopy_pt_cmd *dst_pt_cmd; 33 34 u32 xop_data_nents; 35 struct scatterlist *xop_data_sg; 36 struct work_struct xop_work; 37 }; 38 39 /* 40 * Receive Copy Results Sevice Actions 41 */ 42 #define RCR_SA_COPY_STATUS 0x00 43 #define RCR_SA_RECEIVE_DATA 0x01 44 #define RCR_SA_OPERATING_PARAMETERS 0x03 45 #define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 46 47 /* 48 * Receive Copy Results defs for Operating Parameters 49 */ 50 #define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 51 #define RCR_OP_MAX_SG_DESC_COUNT 0x1 52 #define RCR_OP_MAX_DESC_LIST_LEN 1024 53 #define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ 54 #define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ 55 #define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ 56 #define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ 57 #define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 58 #define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 59 60 extern int target_xcopy_setup_pt(void); 61 extern void target_xcopy_release_pt(void); 62 extern sense_reason_t target_do_xcopy(struct se_cmd *); 63 extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); 64