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Code Issues Releases Activity

Use 4 KB pages for storage bus devices, which seems to be what the HV uses

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internally.
This commit is contained in:
Nathan Whitehorn 2011-06-23 04:06:33 +00:00
parent 98934b1fd5
commit 1c167648c9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=223462
1 changed files with 6 additions and 2 deletions
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8
sys/powerpc/ps3/ps3bus.c
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@ -629,7 +629,7 @@ ps3bus_get_dma_tag(device_t dev, device_t child)
{
struct ps3bus_devinfo *dinfo = device_get_ivars(child);
struct ps3bus_softc *sc = device_get_softc(dev);
int i, err, flags;
int i, err, flags, pagesize;
if (dinfo->bustype != PS3_BUSTYPE_SYSBUS &&
dinfo->bustype != PS3_BUSTYPE_STORAGE)
@ -646,9 +646,13 @@ ps3bus_get_dma_tag(device_t dev, device_t child)
dinfo->devtype == PS3_DEVTYPE_USB)
flags = 2; /* 8-bit mode */
pagesize = 24; /* log_2(16 MB) */
if (dinfo->bustype == PS3_BUSTYPE_STORAGE)
pagesize = 12; /* 4 KB */
for (i = 0; i < sc->rcount; i++) {
err = lv1_allocate_device_dma_region(dinfo->bus, dinfo->dev,
sc->regions[i].mr_size, 24 /* log_2(16 MB) */, flags,
sc->regions[i].mr_size, pagesize, flags,
&dinfo->dma_base[i]);
if (err != 0) {
device_printf(child,