diff options
| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2016-06-01 18:57:39 +1000 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2016-06-07 10:17:45 +1000 |
| commit | b3162f22cb3cbca73d4c90b936dbadff6954e2f6 (patch) | |
| tree | f3847fa10def627d8939effda29621cdc7414ba4 /hw | |
| parent | acf1b6dd22ef8ccd5431e933706f12ce643f6cf0 (diff) | |
| download | qemu-b3162f22cb3cbca73d4c90b936dbadff6954e2f6.zip qemu-b3162f22cb3cbca73d4c90b936dbadff6954e2f6.tar.gz qemu-b3162f22cb3cbca73d4c90b936dbadff6954e2f6.tar.bz2 | |
spapr_pci: Add and export DMA resetting helper
This will be later used by the "ibm,reset-pe-dma-window" RTAS handler
which resets the DMA configuration to the defaults.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/spapr_pci.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 4a7be4d..68de523 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1485,9 +1485,8 @@ static int spapr_phb_children_reset(Object *child, void *opaque) return 0; } -static void spapr_phb_reset(DeviceState *qdev) +void spapr_phb_dma_reset(sPAPRPHBState *sphb) { - sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(qdev); sPAPRTCETable *tcet = spapr_tce_find_by_liobn(sphb->dma_liobn); if (tcet && tcet->nb_table) { @@ -1497,6 +1496,13 @@ static void spapr_phb_reset(DeviceState *qdev) /* Register default 32bit DMA window */ spapr_tce_table_enable(tcet, SPAPR_TCE_PAGE_SHIFT, sphb->dma_win_addr, sphb->dma_win_size >> SPAPR_TCE_PAGE_SHIFT); +} + +static void spapr_phb_reset(DeviceState *qdev) +{ + sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(qdev); + + spapr_phb_dma_reset(sphb); /* Reset the IOMMU state */ object_child_foreach(OBJECT(qdev), spapr_phb_children_reset, NULL); |