1 #include <target/target_core_base.h> 2 3 #define XCOPY_HDR_LEN 16 4 #define XCOPY_TARGET_DESC_LEN 32 5 #define XCOPY_SEGMENT_DESC_LEN 28 6 #define XCOPY_NAA_IEEE_REGEX_LEN 16 7 #define XCOPY_MAX_SECTORS 1024 8 9 /* 10 * SPC4r37 6.4.6.1 11 * Table 150 — CSCD descriptor ID values 12 */ 13 #define XCOPY_CSCD_DESC_ID_LIST_OFF_MAX 0x07FF 14 15 enum xcopy_origin_list { 16 XCOL_SOURCE_RECV_OP = 0x01, 17 XCOL_DEST_RECV_OP = 0x02, 18 }; 19 20 struct xcopy_pt_cmd; 21 22 struct xcopy_op { 23 int op_origin; 24 25 struct se_cmd *xop_se_cmd; 26 struct se_device *src_dev; 27 unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 28 struct se_device *dst_dev; 29 unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 30 unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; 31 32 sector_t src_lba; 33 sector_t dst_lba; 34 unsigned short stdi; 35 unsigned short dtdi; 36 unsigned short nolb; 37 unsigned int dbl; 38 39 struct xcopy_pt_cmd *src_pt_cmd; 40 struct xcopy_pt_cmd *dst_pt_cmd; 41 42 u32 xop_data_nents; 43 struct scatterlist *xop_data_sg; 44 struct work_struct xop_work; 45 }; 46 47 /* 48 * Receive Copy Results Sevice Actions 49 */ 50 #define RCR_SA_COPY_STATUS 0x00 51 #define RCR_SA_RECEIVE_DATA 0x01 52 #define RCR_SA_OPERATING_PARAMETERS 0x03 53 #define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 54 55 /* 56 * Receive Copy Results defs for Operating Parameters 57 */ 58 #define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 59 #define RCR_OP_MAX_SG_DESC_COUNT 0x1 60 #define RCR_OP_MAX_DESC_LIST_LEN 1024 61 #define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ 62 #define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ 63 #define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ 64 #define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ 65 #define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 66 #define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ 67 68 extern int target_xcopy_setup_pt(void); 69 extern void target_xcopy_release_pt(void); 70 extern sense_reason_t target_do_xcopy(struct se_cmd *); 71 extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); 72