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Add two new helpers iscsi_pdu_set_[datasn|bufferoffset]()

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These two helpers can be used to set the corresponding fields in a
DATAOUT PDU
This commit is contained in:
Ronnie Sahlberg
2011-01-02 17:54:44 +11:00
parent 9cd03ca559
commit 9a8fca8bea
2 changed files with 14 additions and 0 deletions
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2
include/iscsi-private.h
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@@ -189,6 +189,8 @@ void iscsi_pdu_set_lun(struct iscsi_pdu *pdu, uint32_t lun);
void iscsi_pdu_set_expstatsn(struct iscsi_pdu *pdu, uint32_t expstatsnsn);
void iscsi_pdu_set_expxferlen(struct iscsi_pdu *pdu, uint32_t expxferlen);
void iscsi_pdu_set_itt(struct iscsi_pdu *pdu, uint32_t itt);
void iscsi_pdu_set_datasn(struct iscsi_pdu *pdu, uint32_t datasn);
void iscsi_pdu_set_bufferoffset(struct iscsi_pdu *pdu, uint32_t bufferoffset);
int iscsi_pdu_add_data(struct iscsi_context *iscsi, struct iscsi_pdu *pdu,
unsigned char *dptr, int dsize);
int iscsi_queue_pdu(struct iscsi_context *iscsi, struct iscsi_pdu *pdu);

12
lib/pdu.c
View File

@@ -318,12 +318,24 @@ iscsi_pdu_set_cmdsn(struct iscsi_pdu *pdu, uint32_t cmdsn)
*(uint32_t *)&pdu->outdata.data[24] = htonl(cmdsn);
}
void
iscsi_pdu_set_datasn(struct iscsi_pdu *pdu, uint32_t datasn)
{
*(uint32_t *)&pdu->outdata.data[36] = htonl(datasn);
}
void
iscsi_pdu_set_expstatsn(struct iscsi_pdu *pdu, uint32_t expstatsnsn)
{
*(uint32_t *)&pdu->outdata.data[28] = htonl(expstatsnsn);
}
void
iscsi_pdu_set_bufferoffset(struct iscsi_pdu *pdu, uint32_t bufferoffset)
{
*(uint32_t *)&pdu->outdata.data[40] = htonl(bufferoffset);
}
void
iscsi_pdu_set_cdb(struct iscsi_pdu *pdu, struct scsi_task *task)
{