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Add support for XPT_CONT_TARGET_IO CCBs in _bus_dmamap_load_ccb().

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Declare CCB types in their respective switch blocks.

Sponsored by:	Spectra Logic
This commit is contained in:
Kenneth D. Merry 2013-04-02 16:49:49 +00:00
parent b77ea89ea5
commit a358cf3aec
1 changed files with 17 additions and 4 deletions
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21
sys/kern/subr_bus_dma.c
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@ -158,8 +158,6 @@ static int
_bus_dmamap_load_ccb(bus_dma_tag_t dmat, bus_dmamap_t map, union ccb *ccb,
int *nsegs, int flags)
{
struct ccb_ataio *ataio;
struct ccb_scsiio *csio;
struct ccb_hdr *ccb_h;
void *data_ptr;
int error;
@ -169,18 +167,33 @@ _bus_dmamap_load_ccb(bus_dma_tag_t dmat, bus_dmamap_t map, union ccb *ccb,
error = 0;
ccb_h = &ccb->ccb_h;
switch (ccb_h->func_code) {
case XPT_SCSI_IO:
case XPT_SCSI_IO: {
struct ccb_scsiio *csio;
csio = &ccb->csio;
data_ptr = csio->data_ptr;
dxfer_len = csio->dxfer_len;
sglist_cnt = csio->sglist_cnt;
break;
case XPT_ATA_IO:
}
case XPT_CONT_TARGET_IO: {
struct ccb_scsiio *ctio;
ctio = &ccb->ctio;
data_ptr = ctio->data_ptr;
dxfer_len = ctio->dxfer_len;
sglist_cnt = ctio->sglist_cnt;
break;
}
case XPT_ATA_IO: {
struct ccb_ataio *ataio;
ataio = &ccb->ataio;
data_ptr = ataio->data_ptr;
dxfer_len = ataio->dxfer_len;
sglist_cnt = 0;
break;
}
default:
panic("_bus_dmamap_load_ccb: Unsupported func code %d",
ccb_h->func_code);