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
15enum xcopy_origin_list {
16	XCOL_SOURCE_RECV_OP = 0x01,
17	XCOL_DEST_RECV_OP = 0x02,
18};
19
20struct xcopy_pt_cmd;
21
22struct 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
68extern int target_xcopy_setup_pt(void);
69extern void target_xcopy_release_pt(void);
70extern sense_reason_t target_do_xcopy(struct se_cmd *);
71extern sense_reason_t target_do_receive_copy_results(struct se_cmd *);