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Add support for READ6

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This commit is contained in:
Ronnie Sahlberg
2011-04-16 08:06:16 +10:00
parent b6782dd7c8
commit 07ad0572f2
6 changed files with 139 additions and 2 deletions
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28
lib/scsi-command.c
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@@ -582,6 +582,34 @@ iscsi_readcapacity10_task(struct iscsi_context *iscsi, int lun, int lba,
return task;
}
struct scsi_task *
iscsi_read6_task(struct iscsi_context *iscsi, int lun, uint32_t lba,
uint32_t datalen, int blocksize,
iscsi_command_cb cb, void *private_data)
{
struct scsi_task *task;
if (datalen % blocksize != 0) {
iscsi_set_error(iscsi, "Datalen:%d is not a multiple of "
"the blocksize:%d.", datalen, blocksize);
return NULL;
}
task = scsi_cdb_read6(lba, datalen, blocksize);
if (task == NULL) {
iscsi_set_error(iscsi, "Out-of-memory: Failed to create "
"read6 cdb.");
return NULL;
}
if (iscsi_scsi_command_async(iscsi, lun, task, cb, NULL,
private_data) != 0) {
scsi_free_scsi_task(task);
return NULL;
}
return task;
}
struct scsi_task *
iscsi_read10_task(struct iscsi_context *iscsi, int lun, uint32_t lba,
uint32_t datalen, int blocksize,