d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Enable DMA for ATAPI/CAM input/output operations.

Browse Source 
Reviewed by:	scottl
This commit is contained in:
Thomas Quinot 2003-09-24 18:40:10 +00:00
parent e41eb869cb
commit 3fbbaabe4a
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
sys/dev/ata/atapi-cam.c
View File

@ -227,6 +227,11 @@ setup_dev(struct atapi_xpt_softc *scp, struct ata_device *atp)
2 * device_get_unit(atp->channel->dev) +
(atp->unit == ATA_MASTER) ? 0 : 1);
atp->softc = (void *)scp;
if (atapi_dma && atp->channel->dma &&
(atp->param->config & ATA_DRQ_MASK) != ATA_DRQ_INTR)
atp->setmode(atp, ATA_DMA_MAX);
else
atp->setmode(atp, ATA_PIO_MAX);
}
}
@ -403,10 +408,10 @@ atapi_action(struct cam_sim *sim, union ccb *ccb)
switch (ccb_h->flags & CAM_DIR_MASK) {
case CAM_DIR_IN:
request_flags |= ATA_R_READ;
request_flags |= ATA_R_READ|ATA_R_DMA;
break;
case CAM_DIR_OUT:
request_flags |= ATA_R_WRITE;
request_flags |= ATA_R_WRITE|ATA_R_DMA;
break;
case CAM_DIR_NONE:
request_flags |= ATA_R_CONTROL;
@ -414,7 +419,9 @@ atapi_action(struct cam_sim *sim, union ccb *ccb)
default:
ata_prtdev(dev, "unknown IO operation\n");
goto action_invalid;
}
}
if (dev->mode < ATA_DMA)
request_flags &= ~ATA_R_DMA;
if ((hcb = allocate_hcb(softc, unit, bus, ccb)) == NULL) {
printf("cannot allocate ATAPI/CAM hcb\n");