Nicholas Bellinger | cbf031f | 2013-08-20 15:38:55 -0700 | [diff] [blame] | 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 | |
| 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 | |
| 59 | extern int target_xcopy_setup_pt(void); |
| 60 | extern void target_xcopy_release_pt(void); |
| 61 | extern sense_reason_t target_do_xcopy(struct se_cmd *); |
| 62 | extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); |