| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Bart Van Assche | 8dcf07b | 2016-11-14 15:47:14 -0800 | [diff] [blame] | 2 | #include <target/target_core_base.h> |
| 3 | |
| David Disseldorp | f94fd09 | 2017-01-02 18:04:08 +0100 | [diff] [blame] | 4 | #define XCOPY_HDR_LEN 16 |
| Nicholas Bellinger | cbf031f | 2013-08-20 15:38:55 -0700 | [diff] [blame] | 5 | #define XCOPY_TARGET_DESC_LEN 32 |
| 6 | #define XCOPY_SEGMENT_DESC_LEN 28 |
| 7 | #define XCOPY_NAA_IEEE_REGEX_LEN 16 |
| 8 | #define XCOPY_MAX_SECTORS 1024 |
| 9 | |
| David Disseldorp | f184210bc | 2017-01-02 18:04:06 +0100 | [diff] [blame] | 10 | /* |
| 11 | * SPC4r37 6.4.6.1 |
| 12 | * Table 150 — CSCD descriptor ID values |
| 13 | */ |
| 14 | #define XCOPY_CSCD_DESC_ID_LIST_OFF_MAX 0x07FF |
| 15 | |
| Nicholas Bellinger | cbf031f | 2013-08-20 15:38:55 -0700 | [diff] [blame] | 16 | enum xcopy_origin_list { |
| 17 | XCOL_SOURCE_RECV_OP = 0x01, |
| 18 | XCOL_DEST_RECV_OP = 0x02, |
| 19 | }; |
| 20 | |
| 21 | struct xcopy_pt_cmd; |
| 22 | |
| 23 | struct xcopy_op { |
| 24 | int op_origin; |
| 25 | |
| 26 | struct se_cmd *xop_se_cmd; |
| 27 | struct se_device *src_dev; |
| 28 | unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; |
| 29 | struct se_device *dst_dev; |
| 30 | unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; |
| 31 | unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN]; |
| 32 | |
| 33 | sector_t src_lba; |
| 34 | sector_t dst_lba; |
| 35 | unsigned short stdi; |
| 36 | unsigned short dtdi; |
| 37 | unsigned short nolb; |
| 38 | unsigned int dbl; |
| 39 | |
| 40 | struct xcopy_pt_cmd *src_pt_cmd; |
| 41 | struct xcopy_pt_cmd *dst_pt_cmd; |
| 42 | |
| 43 | u32 xop_data_nents; |
| 44 | struct scatterlist *xop_data_sg; |
| 45 | struct work_struct xop_work; |
| 46 | }; |
| 47 | |
| 48 | /* |
| 49 | * Receive Copy Results Sevice Actions |
| 50 | */ |
| 51 | #define RCR_SA_COPY_STATUS 0x00 |
| 52 | #define RCR_SA_RECEIVE_DATA 0x01 |
| 53 | #define RCR_SA_OPERATING_PARAMETERS 0x03 |
| 54 | #define RCR_SA_FAILED_SEGMENT_DETAILS 0x04 |
| 55 | |
| 56 | /* |
| 57 | * Receive Copy Results defs for Operating Parameters |
| 58 | */ |
| 59 | #define RCR_OP_MAX_TARGET_DESC_COUNT 0x2 |
| 60 | #define RCR_OP_MAX_SG_DESC_COUNT 0x1 |
| 61 | #define RCR_OP_MAX_DESC_LIST_LEN 1024 |
| 62 | #define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */ |
| 63 | #define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */ |
| 64 | #define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */ |
| 65 | #define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */ |
| 66 | #define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ |
| 67 | #define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */ |
| 68 | |
| 69 | extern int target_xcopy_setup_pt(void); |
| 70 | extern void target_xcopy_release_pt(void); |
| 71 | extern sense_reason_t target_do_xcopy(struct se_cmd *); |
| 72 | extern sense_reason_t target_do_receive_copy_results(struct se_cmd *); |
