mirror of
https://github.com/torvalds/linux.git
synced 2024-11-19 18:41:48 +00:00
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
|
#define XCOPY_TARGET_DESC_LEN 32
|
||
|
|
#define XCOPY_SEGMENT_DESC_LEN 28
|
||
|
|
#define XCOPY_NAA_IEEE_REGEX_LEN 16
|
||
|
|
#define XCOPY_MAX_SECTORS 1024
|
||
|
|
|
||
|
|
enum xcopy_origin_list {
|
||
|
|
XCOL_SOURCE_RECV_OP = 0x01,
|
||
|
|
XCOL_DEST_RECV_OP = 0x02,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct xcopy_pt_cmd;
|
||
|
|
|
||
|
|
struct xcopy_op {
|
||
|
|
int op_origin;
|
||
|
|
|
||
|
|
struct se_cmd *xop_se_cmd;
|
||
|
|
struct se_device *src_dev;
|
||
|
|
unsigned char src_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN];
|
||
|
|
struct se_device *dst_dev;
|
||
|
|
unsigned char dst_tid_wwn[XCOPY_NAA_IEEE_REGEX_LEN];
|
||
|
|
unsigned char local_dev_wwn[XCOPY_NAA_IEEE_REGEX_LEN];
|
||
|
|
|
||
|
|
sector_t src_lba;
|
||
|
|
sector_t dst_lba;
|
||
|
|
unsigned short stdi;
|
||
|
|
unsigned short dtdi;
|
||
|
|
unsigned short nolb;
|
||
|
|
unsigned int dbl;
|
||
|
|
|
||
|
|
struct xcopy_pt_cmd *src_pt_cmd;
|
||
|
|
struct xcopy_pt_cmd *dst_pt_cmd;
|
||
|
|
|
||
|
|
u32 xop_data_nents;
|
||
|
|
struct scatterlist *xop_data_sg;
|
||
|
|
struct work_struct xop_work;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Receive Copy Results Sevice Actions
|
||
|
|
*/
|
||
|
|
#define RCR_SA_COPY_STATUS 0x00
|
||
|
|
#define RCR_SA_RECEIVE_DATA 0x01
|
||
|
|
#define RCR_SA_OPERATING_PARAMETERS 0x03
|
||
|
|
#define RCR_SA_FAILED_SEGMENT_DETAILS 0x04
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Receive Copy Results defs for Operating Parameters
|
||
|
|
*/
|
||
|
|
#define RCR_OP_MAX_TARGET_DESC_COUNT 0x2
|
||
|
|
#define RCR_OP_MAX_SG_DESC_COUNT 0x1
|
||
|
|
#define RCR_OP_MAX_DESC_LIST_LEN 1024
|
||
|
|
#define RCR_OP_MAX_SEGMENT_LEN 268435456 /* 256 MB */
|
||
|
|
#define RCR_OP_TOTAL_CONCURR_COPIES 0x1 /* Must be <= 16384 */
|
||
|
|
#define RCR_OP_MAX_CONCURR_COPIES 0x1 /* Must be <= 255 */
|
||
|
|
#define RCR_OP_DATA_SEG_GRAN_LOG2 9 /* 512 bytes in log 2 */
|
||
|
|
#define RCR_OP_INLINE_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */
|
||
|
|
#define RCR_OP_HELD_DATA_GRAN_LOG2 9 /* 512 bytes in log 2 */
|
||
|
|
|
||
|
|
extern int target_xcopy_setup_pt(void);
|
||
|
|
extern void target_xcopy_release_pt(void);
|
||
|
|
extern sense_reason_t target_do_xcopy(struct se_cmd *);
|
||
|
|
extern sense_reason_t target_do_receive_copy_results(struct se_cmd *);
|