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SBC: Add support for WRITESAME10 and a simple test for using writesame10 to unmap blocks from thin provisioned luns

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This commit is contained in:
Ronnie Sahlberg
2012-04-28 13:55:37 +10:00
parent dc01df1e00
commit cc0fa15e14
9 changed files with 278 additions and 1 deletions
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14
include/iscsi.h
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@@ -608,6 +608,13 @@ iscsi_verify10_task(struct iscsi_context *iscsi, int lun,
int blocksize, iscsi_command_cb cb,
void *private_data);
EXTERN struct scsi_task *
iscsi_writesame10_task(struct iscsi_context *iscsi, int lun,
unsigned char *data, uint32_t datalen,
uint32_t lba, uint16_t num_blocks,
int anchor, int unmap, int pbdata, int lbdata,
int wrprotect, int group,
iscsi_command_cb cb, void *private_data);
EXTERN struct scsi_task *
iscsi_modesense6_task(struct iscsi_context *iscsi, int lun, int dbd,
int pc, int page_code, int sub_page_code,
unsigned char alloc_len, iscsi_command_cb cb,
@@ -672,6 +679,13 @@ iscsi_verify10_sync(struct iscsi_context *iscsi, int lun,
int vprotect, int dpo, int bytchk,
int blocksize);
EXTERN struct scsi_task *
iscsi_writesame10_sync(struct iscsi_context *iscsi, int lun,
unsigned char *data, uint32_t datalen,
uint32_t lba, uint16_t num_blocks,
int anchor, int unmap, int pbdata, int lbdata,
int wrprotect, int group);
EXTERN struct scsi_task *
iscsi_unmap_sync(struct iscsi_context *iscsi, int lun, int anchor, int group,
struct unmap_list *list, int list_len);

2
include/scsi-lowlevel.h
View File

@@ -29,6 +29,7 @@ enum scsi_opcode {
SCSI_OPCODE_WRITE10 = 0x2A,
SCSI_OPCODE_VERIFY10 = 0x2F,
SCSI_OPCODE_SYNCHRONIZECACHE10 = 0x35,
SCSI_OPCODE_WRITE_SAME10 = 0x41,
SCSI_OPCODE_UNMAP = 0x42,
SCSI_OPCODE_READ16 = 0x88,
SCSI_OPCODE_SERVICE_ACTION_IN = 0x9E,
@@ -563,6 +564,7 @@ EXTERN struct scsi_task *scsi_cdb_synchronizecache10(int lba, int num_blocks,
EXTERN struct scsi_task *scsi_cdb_serviceactionin16(enum scsi_service_action_in sa, uint32_t xferlen);
EXTERN struct scsi_task *scsi_cdb_readcapacity16(void);
EXTERN struct scsi_task *scsi_cdb_unmap(int anchor, int group, uint16_t xferlen);
EXTERN struct scsi_task *scsi_cdb_writesame10(int wrprotect, int anchor, int unmap, int pbdata, int lbdata, uint32_t lba, int group, uint16_t num_blocks);
void *scsi_malloc(struct scsi_task *task, size_t size);