tran_setup_pkt(9E) should explicitly mention SCSI_HBA_TRAN_CDB and SCSI_HBA_TRAN_SCB
scsi_hba_attach_setup(9F), it states:
The flags SCSI_HBA_TRAN_CDB and SCSI_HBA_TRAN_SCB are only valid when tran_setup_pkt() is used. See tran_setup_pkt(9E) for information on using these flags.
tran_setup_pkt(9E) never explicitly mentions either flag. Instead, we have
If the HBA driver chose not to preallocate memory for pkt_cdbp and/or pkt_scbp, it must allocate the requested memory at this time and point pkt_cdbp and pkt_scbp to the allocated memory.
The intention is that when
SCSI_HBA_TRAN_SCB are passed to
scsi_hba_attach_setup(9F), then SCSA will perform these respective preallocations for a
scsi_pkt(9S) on behalf of the driver.
It would be helpful to explicitly mention the flags to make their intention and use clearer.
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